Answer:
Percentage Change | Increase and Decrease
First: work out the difference (increase) between the two numbers you are comparing.
Increase = New Number - Original Number.
Then: divide the increase by the original number and multiply the answer by 100.
% increase = Increase ÷ Original Number × 100.
Step-by-step explanation:
hopefully this helped and you can find the percent change.
Use the Distributive Property to solve the problem. [Example: 4(6+3) = 4(6)+4(3) = 24 + 12 = 36] 7(10 + 3)
Answer:
91
Step-by-step explanation:
7(10+3)
7(10)+7(3)
70+21
91
Given: 9y^0
A. Simplify the expression for y=3.
B. Construct Arguments Will the value of the given expression vary depending on y? Explain
Answer:
A. 9 x 3^0 = 9 x 1 = 9
B. the value doesnt vary depending on y as any number whose power is zero is always 1.
If 80% of a number is 20, what is 20% of the number?
Answer: 5
Step-by-step explanation:
20/4=5 which is 20%
5*5=25 which is the number
20% of the number is
100/20=5
25/5=5
x-2y=3, x^2-2y=3, x^2-2xy+4y^2=11, find the value of x^2y-2xy^2
This is a system of three equations with two unknowns, x and y. To solve it, we can use the method of elimination. First, we can eliminate y by subtracting the first equation from the second equation:
x^2-2y=3 - (x-2y=3) => x^2-x=0
Then we can factor the resulting equation and find the values of x:
x^2-x=0 => x(x-1)=0 => x=0 or x=1
Next, we can substitute these values of x into any of the original equations and find the corresponding values of y. For example, using the first equation:
x-2y=3 => 0-2y=3 => y=-3/2 when x=0 x-2y=3 => 1-2y=3 => y=-1 when x=1
Finally, we can substitute these values of x and y into the expression x2y-2xy2 and evaluate it:
x2y-2xy2 => 02(-3/2)-2(0)(-3/2)2 => 0 when x=0 and y=-3/2 x2y-2xy2 => 12(-1)-2(1)(-1)2 => -3 when x=1 and y=-1
Therefore, the value of x2y-2xy2 can be either 0 or -3 depending on the values of x and y.
"Fourteen subtracted from the product of a number a -3 is 25." x=
Omar wants to rent a boat and spend at most $40. The boat costs $6 per hour, and Omar has a discount coupon for $8 off. What are the possible numbers of hours Omar could rent the boat?
Use t for the number of hours.
Write your answer as an inequality solved for t.
Answer:
8 ≥ t
Step-by-step explanation:
The inequality that best models the situation is 40 ≥ 6t - 8, since Omar wants to spend at most (i.e., no more than) $40, the boat costs $6/hr, and he has a discount coupon for $8 off.
Now we can solve for t:
Step 1: Add 8 to both sides:
(40 ≥ 6t - 8) + 8
48 ≥ 6t
Step 2: Divide both sides by 6 to solve for t:
(48 ≥ 6t) / 6
8 ≥ t
Thus, Omar can rent the boat for no more than 8 hours in order to not exceed his $40 spending limit.
Divide. Enter the answer in simplest form.
2 1/7 divided by 2/7
__/7 divided by 2/7
__/7 x __/__ = ___
Answer:
the answer is 4 1/2
Step-by-step explanation:
first you have to turn your 2 1/7 into an improper fraction : 2x1+7, and you get 9/7.
then you divide 9/7 by 2/7 or you can also flip the second fraction and multiply : 9/7 divided by 2/7 turns into --- 9/7 x 7/2 so from here you cross simplify, you cant simplify 2 into 9 so no simplifying there but 7 can go into 7 once so you are left with 9/1 and 1/2 then multiply 9x1 and 1x2 and you get 9/2.
from here you turn your improper fraction into a proper fraction by seeing how many times 2 can go into 9 , which is 4 times (4 is the whole numbers) and you are left with 1 (numerator) over 2 (denominator)
Help me please I will give brainliest
Answer:
the medians have both the same ithink
Step-by-step explanation:
i think lol i cant explain
Keira said that if 6 tickets are sold, there should be 2 tickets left. Is Keira correct?
Solve this function
y = 2x + 7
what is the solution set for -2n-2≥2?
A. n≤-2
B. n≥-2
C. n≤0
D. n≥0
Answer:
n≤−2 or A
Step-by-step explanation:
because i know
On the first day of the food drive, Mrs. Teasley's classes brought
in 6 cans of fruit, 4 cans of beans, 7 boxes of noodles, and 4 cans of soup.
Find the ratio of cans of fruit to the total number of food items collected.
Then explain its meaning.
Answer:
6:21, this means there are 6 cans of fruit in 21 items
Step-by-step explanation:
To find ratio of cans of fruit to the total number of food items: find total number of food items first
6+4+7+4=21 total items
You have 6 cans of fruit, so the ratio will be
6:21
The ratio is this because you have 6 cans of fruit and 21 other items
Write 260 the expression as an exponent with the base of: 8
Answer: do you have the answer chooses?
Step-by-step explanation:
Balvinder had his first child on his 26th birthday, his second child exactly 4 years later, and his third child exactly 4 years after that. How old was Balvinder when his age was equal to the sum of his three children's ages?
Answer with explanation pls
Answer:
Step-by-step explanation:
Answer:34 years old
Step-by-step explanation:26+4+4=34
please answer these 5 easy questions and please give me correct answers :( i really need this. 12-16 please <3
What is the total surface area of the figure?
Answer:
531 in²
Step-by-step explanation:
5 faces of the cube are facing the surface because the top one is shared with the triangular prism.
Surface area of a cube is S = 5 × (9)²
S = 405 in²
Now the triangular prism: S = (1/2)lP + B, where l is slant height and p is the perimeter of the base. (ignore B base area because this is also not facing the surface/shared with the cube).
S = (1/2)7×(4×9)
S = 126 in²
Add 126 + 405 to get 531 in²
At a recent football game of 8,450 in attendance, 150 people were asked what they prefer on a hot dog. The results are shown.
Ketchup Relish Chili
54 36 60
Based on the data in this sample, how many of the people in attendance would prefer ketchup on a hot dog?
4,225
3,380
3,127
3,042
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Answer:
By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042
Step-by-step explanation:
What is the median for this data set?
61, 48, 52, 65, 56, 77, 54
56
59
65
77
Answer:
59
Step-by-step explanation:
Answer:
56
Step-by-step explanation:
Hope this helped :D
Which scenario can be modeled by the linear function
y = -15x + 500?
A. The temperature on Jupiter is
15℉ and increases by 500℉ every day.
B. There is a population of 500 giraffes in Western Africa that decreases by 15 giraffes each year.
C. A carpet cleaning service charges $500 plus an additional $15 for every hour.
D. A membership fee for a movie streaming service is free, but each rental costs $15.
Match each point to this stuff idk jsut help
Answer:
i dont get this but yea i wish i could bud sorry
Step-by-step explanation:
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Answer:
12 and 78 are complementary.
80 and 100 are supplementary.
50 and 50 are neither.
Step-by-step explanation:
Hope it helps! =D
I NEED HELP PLEASE!!!!
Answer:
see attached
Step-by-step explanation:
The missing measures can be found by making use of the properties of tangents, special triangles, trig functions, and circles.
RadiiAll of the incircle radii are the same length:
CJ = CK = CL = 4
AnglesAll of the segments to the incenter from the triangle vertices are angle bisectors. Of course, the sum of angles in a triangle is 180°, and the acute angles in a right triangle are complementary.
∠CML = ∠CMJ = 20°
∠CPL = ∠CPK = 40° . . . . . (∠P = 180° -40° -60° = 80°)
∠CNJ = ∠CNK = 30°
The central angles are complementary:
∠MCL = ∠MCJ = 70°
∠PCK = ∠PCL = 50°
∠NCJ = ∠NCK = 60°
TangentsThe two tangents from a vertex are congruent. Each will be the radius divided by the tangent of the (half) vertex angle.
ML = MJ = 4/tan(20°) = 11.0
PL = PK = 4/tan(40°) = 4.8
NJ = NK = 4/tan(30°) = 6.9
Angle bisectorsThe length from each vertex to the incenter will be the radius divided by the sine of the (half) vertex angle.
MC = 4/sin(20°) = 11.7
PC = 4/sin(40°) = 6.2
NC = 4/sin(30°) = 8.0
__
Additional comment
The given dimensions are slightly off. The angle at M is 19.9831°, or the length LM is 10.9899 units, or the radius is 4.00367. In order to keep the numbers nearly consistent, we have rounded to one decimal place. The 30° triangle is the only one with an angle that has a rational trig function (sine).
Suppose you borrow money for a year at a simple interest rate of 7.2%. You pay $86.40 in interest. How much have you borrowed?
Answer:
$1200
Step-by-step explanation:
You want to know the amount borrowed at 7.2% if the simple interest for one year is $86.40.
InterestThe interest formula is ...
I = Prt
where P is the amount borrowed, r is the interest rate, and t is the number of years.
ApplicationUsing the given values, we have ...
86.40 = P·0.072·1
P = 86.40/0.072 . . . . . . divide by the coefficient of P
P = 1200
You have borrowed $1200.
Answer: 1200
Step-by-step explanation: Linear equation. 7.2x = 100(86.40). then divide by 7.2 on each side. x=1200
Complete the table, will choose brainliest.
Answer: The number of snakes with a slug preference increased.
Explanation:
When looking at the data, you can see that the number of snakes with a slug preference started at 77, and ended at 103. This is an increase of 26. Whereas the number of snakes with a fish preference decreased.
I hope this helped!
Good luck <3
I haven't started learning variables, and stuff like that yet in class, and I wanna be ahead, so can somebody teach me?
Answer:
Step-by-step explanation
its really simple u replace the letter with the value they have given u
t= 6
= 6x6-20-32u
u=1/4
=36-20-32x1/4
In the figure below, what is m∠DAC? A. 47 B. 57 C. 90 D. 137
your answer would be 47
please let me know if i was wrong :)
I WILL GIVE BRAINLIEST!!
Side BC is 10 inches long, and Side AB is √300 inches long. What is the length of Side AC?
A. 14 in.
B. √200 in.
C. √290 in.
D. 20 in.
Answer:
B
Step-by-step explanation:
Answer:
It is option B
(I'm answering dis so that u can give dat guy the credit)
What is 5.5 : 6.5 as a simplified fraction?
Answer:
5.5 = 5.5 = 55 1/2
6.5 = 6.5 = 66 1/2
Step-by-step explanation:
Help! Explain and give Correct answer
Select the correct scientific notation form of this numeral.
2,000,004
2.400 000 × 10 6
2.4 × 10 6
2 × 10 6
2.000 004 × 10 6