The total number of servings we can make with one gallon of juice is 128 servings.
How many servings can be made with one gallon?
We know that with 3/4 of a cup of 1juice we can make 6 servings.
Now let's see how many servings can we make with one gallon of juice, first we know the relation:
1 gallon = 16 cups.
Now let's see how many times we have 3/4 cups on 16 cups, so we take the quotient:
q = 16/(3/4) = 4*16/3 = 21.33
And for each one of these we can make 6 servings, so the total number of servings we can make is:
S = 21.33*6 = 128
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The camera Melissa wanted for her birthday is on sale at 44% off the usual price. The amount of the discount is $96.80. What was the original price of the camera?
The original price of the camera is $220.00 based on the fact that discount of 44% is $96.80
What portion of the original price is the discount?
The discount of $96.80 in dollar terms, represents 44% of the original of the camera, in other words, we can determine the 1% of the original price of the camera by dividing the discount of $96.80 by 44
1% of the original price of the camera=$96.80/44
1% of the original price of the camera=$2.20
100% of the original price=1% of the original price of the camera*100
100% of the original price=$2.20*100
100% of the original price=$220.00
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A flagpole casts a shadow that is 24 ft long at the same time you cast a shadow that is
4.5 ft long. If you are 6 ft tall, how tall is the flagpole?
Answer:
32 ft tall
Step-by-step explanation:
24 divided by 4.5 is 5.3 repeating. 6 times 5.3 is around 32
What decimal is equivalent to 1/2?
Answer: 0.5
Step-by-step explanation: since 1/2 is half of anything like it could be 3/6 but equal 1/2 in slimplest form
The null hypothesis for the chi-square test of independence is that the variables are: ___________
Answer: not related
Step-by-step explanation: Statistical tests are employed when trying to establish the existence or non-existence of relationship between two variables. Variables may be numerical or categorical, in most cases, regression is employed in establishing relationship between. numerical variables. However, the Chisquare test of independence is employed when analysing and trying to establish if a relationship exists between two categorical variables. With the null hypothesis maintain that both variables are independent are hence unrelated while the alternative hypothesis states otherwise.
Answer:
Outcome Y is independent of Factor X.
Step-by-step explanation:
The null hypothesis for the Chi-Square Tables Test is:
Outcome Y is independent of Factor X.
The mean yield of corn in the United States is about 135 bushels per acre. A survey of 50 farmers this year gives a sample mean yield of x = 138.4 bushels per acre. We want to know whether this is good evidence that the national mean this year is not 135 bushels per acre. Assume that the farmers surveyed are an SRS from the population of all commercial corn growers and that the standard deviation of the yield in this population is on 10 bushels per acre.
Required:
a. Conduct a hypothesis test to determine if the corn yield has changed using 0.05 as significant level.
b. Write out the hypotheses and report the P-value. Are you convinced that the population mean is not 135 bushels per acre?
Answer:
The null and alternative hypothesis are:
\(H_0: \mu=135\\\\H_a:\mu\neq 135\)
P-value = 0.0162.
Yes, there is enough evidence to support the claim that the corn yield is significantly different from 135 bushels per acre.
Step-by-step explanation:
This is a hypothesis test for the population mean.
The claim is that the corn yield is significantly different from 135 bushels per acre.
Then, as it is a two-tailed test (we are looking if the yield has changed) the null and alternative hypothesis are:
\(H_0: \mu=135\\\\H_a:\mu\neq 135\)
The significance level is 0.05.
The sample has a size n=50.
The sample mean is M=138.4.
The standard deviation of the population is known and has a value of σ=10.
We can calculate the standard error as:
\(\sigma_M=\dfrac{\sigma}{\sqrt{n}}=\dfrac{10}{\sqrt{50}}=1.414\)
Then, we can calculate the z-statistic as:
\(z=\dfrac{M-\mu}{\sigma_M}=\dfrac{138.4-135}{1.414}=\dfrac{3.4}{1.414}=2.4\)
This test is a two-tailed test, so the P-value for this test is calculated as:
\(\text{P-value}=2\cdot P(z>2.4)=0.0162\)
As the P-value (0.0162) is smaller than the significance level (0.05), the effect is significant.
The null hypothesis is rejected.
There is enough evidence to support the claim that the corn yield is significantly different from 135 bushels per acre.
2 x - 5 + 7 y - 3 = 9 x - 1 - y -8 Solve For X AND Y (SHOW WORK PLEASE)
(Just so people can get points :D)
Answer:
\(\large\boxed{\sf x = \frac{8y+1}{7} }\)
\(\large\boxed{\sf x = \frac{7x-1}{8} }\)
Group the Variable's:
2 x - 5 + 7 y - 3 = 9 x - 1 - y -8
2x -9x + 7y +y = -1 -8 +5 + 3
-7x + 8y = -1
From this find x and y
For X
-7x + 8y = -1
-7x = -1 -8y
7x = 8y + 1
x = (8y +1)/7
For Y
-7x + 8y = -1
8y = -1 +7x
y = (7x -1)/8
What is the average of x, x-6 and x+2 ?
Answer:
the answer is 3x - 4 / 3
Step-by-step explanation:
x + x-6 + x+2 / 3
3x - 4 / 3
PLS HELP WILL GIVE BRAINLIEST IF CORRECT (NO LINKS)
Identify x.
Answer:
The answer is, x= 145
Step-by-step explanation:
Since line BD passes through the center E of the circle, then the angle must be a right angle or a 90 degree angle.
Hence angle DAB must be 90 degrees
or,
\(angle \ DAB = 0.3(2x+10) = 90\\90/0.3 = 2x+10\\300 = 2x+10\\300-10=2x\\290=2x\\\\x=145\)
Hence the answer is, x= 145
What is the y-intercept of the line whose equation is y = x - 3?
-3
1/2
3
Answer:
-3
Step-by-step explanation:
y=0-3
y=-3
By definition, the correct answer is the first option: the y-intercept is -3.
A linear equation o line can be expressed in the form y = mx + b.
where
x and y are coordinates of a point. m is the slope. b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.The ordinate to the origin is the value where the line intersects the axis. Thus, the value of x must be 0 for this to occur.
In this case you know that the form of the linear equation is y=x-3.
Being x=0, then:
y=0-3
y= -3
Finally, the correct answer is the first option: the y-intercept is -3.
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76,860,001 in words
76, 860, 001 in words is Seventy six million, eight hundred and sixty thousand and one.
Hope this helps; please mark BRAINLIEST.
Answer:
seventy six million eight hundred and sixty thousandth and 1
Step-by-step explanation:
In a math class, the teacher asked the students to find the approximate value of one of the x-coordinates of a point of intersection of two functions: f(x) = 2x2 − 3x + 4 g(x) = 5x − 1 Her students gave her different answers. Which answer is the most accurate?
A.
0.8
B.
0.9
C.
1.9
D.
1.1
Answer:
A. 0.8Step-by-step explanation:
An easy way is to substitute values into both equations and compare:
A. x = 0.8
f(x) = 2(0.8)² - 3(0.8) + 4 = 2.88g(x) = 5(0.8) - 1 = 3B. x = 0.9
f(x) = 2(0.9)² - 3(0.9) + 4 = 2.92g(x) = 5(0.9) - 1 = 3.5C. x = 1.9
f(x) = 2(1.9)² - 3(1.9) + 4 = 5.52g(x) = 5(1.9) - 1 = 8.5D. x = 1.1
f(x) = 2(1.1)² - 3(1.1) + 4 = 3.12g(x) = 5(1.1) - 1 = 4.5As we see the most accurate one is A
Let's graph both function(Attached)
Let's round 0.775
\(\\ \sf\longmapsto 0.775\)
\(\\ \sf\longmapsto 0.77\)
\(\\ \sf\longmapsto 0.8\)
Option A is correct
11 over 7=6 over v what is v
Answer:
42/11
Step-by-step explanation:
11/7 = 6/v
cross multiply:
11v = 6x7 = 42.
v = 42/11 ≈ 3.81
Find the area for the figure below. Use 3.14 for pi.
Answer:
1228.31 mm^2
Step-by-step explanation:
The area for the circle is
(20^2*3.14)/2
The area for the rectangle
30*20
Total area
1228.31
Whats the answer? i need help. Thanks
which one is true and why
Answer:
the first one is true
Step-by-step explanation:
√36>5 = 6>5
7<√10 = 7<3.162
√9>√25 = 3>5
Therefore, the first one is correct
I need help with this
Answer:
9 and 4
Step-by-step explanation:
9 times 4 is 36 and 9 plus 4 is 13
PLEASEEEEEEEEEEE HURRY WILL GIVE BRAINLYEST
The proportion to calculate triangle side LM in the given triangle is 3/2
How to calculate the side LMThe side LM is calculated using the idea of similar triangle, in this case the triangles are equal in proportion to each other
To find the proportion we take the ratio of the sides this is done as follows
LM / HJ = MN / JK = LN / HK
substituting the values
MN / JK = 9 / 6 = 3 / 2
the proportion is = 3/2
to find LM
4.5 * 3/2
= 6.75 cm
Using proportion of 3/2 the length of side LM is solved to be 6.75 cm
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Which list orders the numbers from least to greatest?
3.-25.13,-23.12
A. 0 13,13.-25.-23.3
B. 25-23.13.13.3
C. -25.-27. 12. 13.3
D. 0-23-25, 13, 133
In each rule , copy the chart and fill in the missing parts
Answer:
7. 14
15. 30
28. 56
32. 64
18 36
x 2x
1/2y. y
2x. 4x
x+3 2x+9
Step-by-step explanation:
each out is double the in
The mug is 5/8 full, the mug contains 3/4 of water find the capacity of the mug
The capacity of the mug is 1.2. The capacity of the mug can be found by using the equation C = (3/4) ÷ (5/8).
What is capacity?It is the maximum amount of output that can be produced in a given period of time. Capacity is usually expressed in terms of units per unit of time, such as gallons per minute or passengers per hour.
In this equation, 3/4 represents the amount of water in the mug, and 5/8 represents the amount the mug is full.
Let the capacity of the mug be x.
Given,
Mug is 5/8 full and contains 3/4 of water
So, 5/8 of the mug is filled with water
Therefore,
5/8 of x = 3/4
(5/8 )x = (3/4)
x = (3/4) × (8/5)
x = (24/20)
x = 1.2
Therefore, the capacity of the mug is 1.2.
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The amount you must add to 8 to increase 8 by 25% is
Answer:
2
Step-by-step explanation:
Take out 25% of 8
25/100*8= 2
Required Amount=2
What is the amplitude of this function f(x) ? f(x)=3cos(2x)+5 enter your answer in the box.
Answer:
3
Step-by-step explanation:
Amplitude is the absolute value of the number in front
3cos(2x) + 5
If spring A has a spring constant which is 8 times spring B's spring constant, what is the ratio of their periods? Which is the stiffer spring?
If spring A has a spring constant which is 8 times spring B's spring constant then the ratio of their periods is = 9K and \(\frac{9K}{8}\)
Spring stiffness is a characteristic that describes the relationship between load and deflection. If k is stiffness, P is load, and x is deflection, P = kx. The smaller the deflection at a constant load, the stiffer the spring, k.
Given that,
If spring A has a spring constant which is 8 times spring B's spring constant,
Let us assume,
A spring is cut into two parts of length La and Lb
Also given that La : Lb
La : Lb = 1 : 8
The total of spring constant is = 1 + 8 = 9
If the length of spring is L , then La
La = \(\frac{L}{9}\)
And length of B , Lb
Lb = \(\frac{8L}{9}\)
We know, for spring force , spring constant or stiffness of spring is inversely proportional to length of spring .
K ∝ 1 / L
If initial spring constant is k then,
kL= KaLa = KbLb
Then,
Ka = \(\frac{K}{\frac{1}{9} }\)
Ka = 9K
And Kb = \(\frac{K}{\frac{8}{9} }\)
Kb = \(\frac{9K}{8}\)
Hence, stiffness of A is given by, 9K
Stiffness of B is given by \(\frac{9K}{8}\)
Therefore,
If spring A has a spring constant which is 8 times spring B's spring constant then the ratio of their periods is = 9K and \(\frac{9K}{8}\)
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2a+c=162.97
how do you use the elimination method for this
When 'a' is 10, 'c' is approximately 142.97. You can repeat this process for different values of 'a' to find corresponding values of 'c'. Keep in mind that there are infinitely many solutions to this equation
To use the elimination method to solve the equation 2a + c = 162.97, we need another equation with the same variables. However, as there is only one equation given, we cannot apply the elimination method directly.
The elimination method typically involves adding or subtracting equations to eliminate one of the variables, resulting in a new equation with only one variable. Since we have only one equation, we don't have the opportunity to eliminate variables using another equation.
In this case, we can solve the given equation directly by isolating one variable in terms of the other. Let's solve for 'c':
2a + c = 162.97
Rearrange the equation to isolate 'c':
c = 162.97 - 2a
Now, we have an expression for 'c' in terms of 'a'. This equation represents a line in the 'a-c' coordinate plane. We can choose any value for 'a', substitute it into the equation, and calculate the corresponding 'c' value.
For example, let's say we choose 'a' = 10:
c = 162.97 - 2(10)
c = 162.97 - 20
c = 142.97
So, when 'a' is 10, 'c' is approximately 142.97.
You can repeat this process for different values of 'a' to find corresponding values of 'c'. Keep in mind that there are infinitely many solutions to this equation since we have one equation and two variables.
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Subtract 5x^2 – 2x – 5 from – 2x^2
- 5x - 7
Answer:
\(-7x^{2} -3x-2\)
Step-by-step explanation:
\((-2x^2-5x-7) - (5x^2-2x-5)\\\\-2x^2 - 5x^2 = -7 x^2\\-5x - -2x = -3x\\-7 - -5 = -2 \\Result: -7x^2-3x-2\)
Answer:
-7x² -3x - 2
Step-by-step explanation:
(-2x²-5x -7) - (5x² - 2x - 5)
removing parentheses
-2x² -5x - 7 -5x² + 2x + 5
collect like terms
-2x² - 5x² -5x + 2x -7 + 5
= -7x² -3x - 2
Mia hired a moving company. The company charged $500 or its services, and Mia gives the movers a 16% tip.
Answer:
The company charged $500 for its services,and Mia gives the movers a 16% tip. Now, we can add the tip amount to the cost of the service to find the total amount Mia paid: Total amount = Cost of service + Tip amount = $500 + $80 = $580
Step-by-step explanation:
what is the equation of the line parallel to the line y= -2x +4 that passes through the point (0,-2)?
Answer:
y=-2x-2
Step-by-step explanation:
Since this line is supposed to be parallel it will have the same slope.
y=-2x+b
no plug in the (0,-2)
-2=b
y=-2x-2
E
Learning Task 2. Give the reciprocal of the given fractions below.
Write your answer in your notebook.
6
1.
6.
2
8.
7
2. 7
7.
1
2
8
3.
8.
4
4
33-
5
als -|- ||-|-
5
4. 41
9.
5
6
5.
1
10. 1
54
5
5
A
Reciprocals represent two numbers whose product is one. Multi-6/8
The correct format of the options are
(1) 6/8 (6) 2/7
(2) 7/2 (7) 1/8
(3) 33\(\frac{4}{5}\) (8) 4/5
(4) 41 (9) 5/6
(5) 54\(\frac{1}{5}\) (10) 1/5
Answer:
Reciprocal are those number which when multiplied by the original number gives 1 as the result. eg \(\frac{6}{8}\) reciprocal is \(\frac{8}{6}\), on multiplication \(\frac{6}{8}\)*\(\frac{8}{6}\) =1
Reciprocal of the following are as follows
(1) \(\frac{8}{6}\)
(2) \(\frac{2}{7}\)
(3) 33\(\frac{4}{5}\) =\(\frac{ 33*5 + 4}{5}\) = 169/5 => reciprocal = 5/169
(4) 1/41
(5) 54\(\frac{1}{5}\) => \(\frac{54*5 +1}{5}\) = 271/5 => 5/271
(6) 7/2
(7) 8
(8) 5/4
(9) 6/5
(10) 5
find the value of x of given figure and solve this question step by step plzz help question number D
Answer:
15
Step-by-step explanation:
First we need to find the length of BC and for that we gonna use Pysagoras theorem
10^2 + (2√11)^2 = |BC|^2
√144 = |BC|^2
12 = BC Now we will use this to find the value of x
x^2 = 12^2 + 9^2
x^2 = 144 + 81
x^2 = 225
√x^2 = √225
x = 15
Answer:
The value of x is 15 cm.
Step-by-step explanation:
There are two triangles in the diagram that share a common side.
The triangles are:
ABC and BDC
First we have to find the third side of BDC so that we can use it to find the value of x.
The triangle is a right angled triangle so Pythagoras theorem can be used to find the third side.
In the triangle
\(Base = BD =10cm\\Hypotenuse = BC = ?\\Perpendicular = CD = 2\sqrt{11}cm\)
Pythagoras theorem is given as:
\((Hypotenuse)^2 = (Base)^2 + (Perpendicular)^2\\BC^2 = BD^2 + CD^2\\BC^2 = (10)^2 + (2\sqrt{11})^2\\BC^2 = 100+(2^2 * 11)\\BC^2 = 100+(4*11)\\BC^2 = 100+44\\BC^2 = 144\\\sqrt{BC^2} = \sqrt{144}\\BC = 12cm\)
Now for triangle ABC
\(Base = BC = 12 cm\\Perpendicular = AB = 9 cm\\Hypotenuse = AC = x\\\)
Using Pythagoras theorem
\(AC^2 = BC^2+AB^2\\x^2 = (12)^2 + (9)^2\\x^2 = 144+81\\x^2 = 225\\\sqrt{x^2} = \sqrt{225}\\x = 15cm\)
Hence,
The value of x is 15 cm.
Please help me i am in a test and forgot to study
Answer:
1) smaller median
2)an equivalent