Answer:
1 im not 100% on this one but b could be a horizontal reflection or a vs vertical reflection
2 The absolute value of a number is its distance from zero on the number line. Therefore, -4+3 is 4+3, and the absolute value of 3+(-4) is also 4+3.
Step-by-step explanation:
2 The absolute value of a number is its distance from zero on the number line. Therefore, the absolute value of 3 is 3, and the absolute value of -3 is also 3. A positive number and its negative have the same absolute value. It is symbolized as |x|, and |-x| has the same value.
this is a helpful site to use for homework toofor the qustions i coundnt help with.
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PLEASE ANYONE HELP ME OUT WITH THIS QUESTION
Please Anyone Help Me Out With Digit 7
What is the perimeter of a square with a side length of 46 mm?
A. 50 mm B. 100 mm C. 184 mm D. 230 mm
Answer:
C: 184 mm
Step-by-step explanation:
46*4 = 184
Deanna gets 3 problems incorrect on her quiz. Her score is 85%. How many questions are on the quiz?
Let's start by seeing what percentage is incorrect.
100-85=15
So, 15% is incorrect when answering 3 problems wrong. So let's divide 15 by 3.
15÷3=5
So, each problem is worth 5%, let's divide 100 by 5. The reason I'm doing this is to find out how many questions are on the quiz since if you got them all right, it's 100.
100÷5
20
There are 20 questions, let's make sure this is correct.
If she got 3 wrong, she got 17 right. Let's calculate her percentage and make sure it is the right one.
17÷20
.85×100
85%
Answer: So, there are 20 questions on the math quiz.
Answer:
20 questions
Step-by-step explanation:
Deanna got 15% incorrect
The 15% is equal to the 3 questions she got wrong
Divide 15 by 3 to get 5
Then, divide 100% by 5 to get 20
Therefore, there are 20 questions of the test
I would really appreciate some help, please!
The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours:
What is the speed of the motorboat? (5 points)
Select one:
a. 198 miles per hour
b. 22 miles per hour
c. 44 miles per hour
d. 66 miles per hour
Answer: 66 miles per hour i belive
Step-by-step explanation: good luck
How can I find the cube root of 64?
Answer:
4
Step-by-step explanation:
The cube root of 64 is the number which when multiplied by itself three times gives the product as 64. Since 64 can be expressed as 2 × 2 × 2 × 2 × 2 × 2. Therefore, the cube root of 64 = ∛(2 × 2 × 2 × 2 × 2 × 2) = 4.
The cube root of 64 is 4.
Before solving the question, let's understand the concept of cube root.
The cube root of a number is the value obtained by multiplying it by itself three times or thrice. When we multiply 3 by itself three times, we get 3 x 3 x 3 = 27 = 3³, so the cube root of 27 is 3. Thus, we can say that the cube root gives a value that is basically cubed.
The cube root is denoted by ∛
Now, we will find the cube root of 64.
Firstly, we have to find factor 64.
64 = 2 × 2 × 2 × 2 × 2 × 2.
64 = ∛4³
64 = 4
Therefore, the cube root of 64 is 4.
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The data given represents the number of gallons of coffee sold per hour at two different coffee shops.
Coffee Ground
1.5 20 3.5
12 2 4
11 7 2.5
9.5 3 5
Perks A Lot
10 3.5 3
5 2.5 7
8 5.5 9.5
6 9 4.5
Compare the data and use the correct measure of center to determine which shop typically sells the most amount of coffee per hour. Explain.
Perks A Lot, with a mean value of 6.125 gallons
Perks A Lot, with a median value of 6.125 gallons
Coffee Ground, with a mean value of 6.75 gallons
Coffee Ground, with a median value of 6.75 gallons
I need help with this question, I'm not very good at math and all help is appreciated!
Answer:
A
Step-by-step explanation:
We can solve for H by isolating it on one side of the equation, as follows:
J/H - I/H = G
Taking H as the common denominator:
(J - I)/H = G
Multiplying both sides by H:
J - I = GH
Adding I to both sides:
J = GH + I
Dividing both sides by G:
H = (J - I)/G
So the answer is
(A)
H = (J - I)/G.
Answer: A
Step-by-step explanation:
\(\frac{J}{H} = G + \frac{I}{H}\) >Since you are solving for H bring I/H to the other side
by subtracting I/H from both sides
\(\frac{J}{H}- \frac{I}{H} = G\) >There is a common denominator so you can
combine the fractions
\(\frac{J-I}{H} = G\) >Multiply both sides by H or cross multiply whichever
way your mind things about how to get H on top
\(J-I = G(H)\) >Divide both sides by G
\(\frac{J-I}{G} = H\) >Answer is A
so basically you can just tell me where the boxes go and bam you get 20 points
Step-by-step explanation:
(2/3)(-4)(9) = -24
(5/16)(-2)(-4)(-4/5)= -2
(-3/4)(7/8)=-21/32
(2 3/5) (7/9)=91/45
Select all ratios equivalent to 1:2 A. 10:20 B. 12:24 C. 8:16
Answer:
A, B, ad C
In order to find the ratio of something you must:
Add the parts of the ratio to find the total number of parts.
Find the value of each part of the ratio by dividing the number by the total number of parts calculated in step 1.
Multiply each part of the original ratio by the value of each part calculated in step 2.
Can somebody please help me with questions 9 and 10, please
PLEASE HURRY WILL MARK BRAINLIEST!!!
Which expression is equivalent to (–2y – x) – (5y – 9x)?
A) 7y + 8x
B) –7y – 10x
C) –7y – 8x
D) 7y + 8x
Answer:
-7y+8x
Step-by-step explanation:
-2y-x-5y+9x
Which of the following expressions are equivalent to -3 x 3 x -4/9
Choose all that apply:
A. -3 x 3 x - 4/-9
B. 3 x -3 x - 4/9
C. None of the above
please help
A (I cant say it on here for some reason )water fish tank requires a certain salinity. To reach this requirement, the relationship between gallons of water and pounds of salt needs to be proportional. The relationship can be modeled as a line on the coordinate plane where x represents the number of gallons of water and y represents the number of pounds of salt. If the line passes through the point (5,1.5) , what does that point represent?
Answer: Represents when the equation is at 5 gallons of water 1.5 pounds of salt is needed to have the correct salinity
Step-by-step explanation:
X Y
-7 0
0 1
What is the slope of the linear function represented in
the table?
*-7
07/1
01/1
07
Using the graph, which characteristic about the function is NOT true?
Help ASAP, please!
Answer:
please give full question I can't understand it
Answer:
B
Step-by-step explanation:
I took the test
pls solve\(\sqrt[3]{343}\)
Answer:
\(\sqrt[3]{343}=\sqrt[3]{7^3} =\bf\red{7}\)
What's the result of translating the point (9, –5) using the rule (x, y) → (x + 7, y – 2)? Question 17 options: A) (2, –3) B) (16, –7) C) (9, –7) D) (16, –5)
Answer:
B
Step-by-step explanation:
(9+7, -5-2)
(16, -7)
Answer:
B
Step-by-step explanation:
During a trip to the mall, Pam spent $12.95 on a purse, $8.50 for a book, and $3.75 for a smoothie at the food court. She also returned a key chain and received a cash refund of $5.00. If Pam had $24.80 at the end of her trip, how much money did she have initially?
Answer:
$55.00
$12.95+8.50=$21.45 +3.75=$25.20+5.00=$30.20+24.80=$55.00
Chelsey is repairing her iPad and needs to tighten a screw that holds the battery in. She tried a 3/4 mm screwdriver, which was too large, and a 1/2 mm screwdriver, which was too small. Which of the following screwdrivers might fit the screw?
Answer:ask Siri
Step-by-step explanation:
But it is 8mm
Heloo need help on mathe ples
Answer:
add all the sides
Step-by-step explanation:
Aiden is planning to drive from City X to City Y. The scale drawing below shows the distance between the two cities with a scale of ¼ inch = 18 miles.
The scale map says the distance from city X to City Y is 3 1/2 inch
If Aiden drives at an average speed of 30 miles per hour during the entire trip, how much time, in hours and minutes, will it take him to drive from City X to City Y?
[NEEDED ASAP] OPTIONS SHOWN IN IMAGE
Georgia Connections Academy is selling tickets to its Spring Fling. Adult tickets cost $4 and student tickets cost $2.50. The school makes $2,820. Write an equation that represents this situation to find the cost of all adult and student tickets sold. Use the variable s for student tickets and a for adult tickets sold.
Answer:
Step-by-step explanation:
We use a for Adult and s for Student.
Assuming this, you have to start by writing two equations from the information provided:
900 total tickets were sold
a+s=900 ------(i)
they made $2,820 and adult tickets cost $4 and kids tickets cost $2.50
2820=4a+2.5s ------(ii)
lets solve for a in the first equation:
a=900-s
we can plug this into the second equation and solve for s
2820=4(900-s)+2.5s
2820=3600-4s+2.5s
2820=3600-1.5s
-780=-1.5s
s=520
we can plug this into the first equation and solve for a:
a+520=900
a=380
Total adult ticket sold : 380
Total student ticket sold = 520
Cost of adult tickets = 380 * 4 = $1520
Cost of student tickets = 520 * 2.5 = $1300
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Tickets to a school musical cost $7.25. The amount received from ticket sales is $833.75. How many tickets were sold?
Answer: 115
Divide 833.75 by 7.25
What is this question answer please help me (267% * 389=)
Answer:1073.64
Step-by-step explanation:
389 times 267= 107364, plus 2 decimal places
The length of time, y hours, it takes to put a jigsaw puzzle together is inversely proportional to the number of children, x, working on it. It takes 6 hours for 16 children to put the jigsaw puzzle together. How many children are needed to put the same jigsaw puzzle together? How many children are needed to put the same jigsaw puzzle together in 4 hours?
Answer: up to 120 pieces
Step-by-step explanation:
What is the theorem for this equation and how do I work through it?
Segments HR and HY are secants to the circle from the same point, so the products of the lengths of each secant with its external segment are equal. That is, RH times TH = YH times KH. Substituting values in gives you the equation 32 (2x - 4) = 16 (3x + 1) and solving gives you x = 9
Solve for x. 16x - 5 = 18x - 2
A.x = 1/2
B. x = -3 1/2
C.x = -1 1/2
D.x = 3 1/2
Answer:
C. x = -1 1/2
Step-by-step explanation:
16x - 5 = 18x - 2
-16x. -16x
-5 = 2x - 2
+2. +2
-3 = 2x
/2. /2
-3/2 = x
-1 1/2 = x
What is the exponential form of the expanded form below? Giving 100 points answer quickly please!,!
Answer:
last or 4th option : 10^5
Step-by-step explanation:
10^5 means 10 multipled 5 times
help me pleaseeeeeeee
Answer:
280/12 = 23.33
Step-by-step explanation:
Do the top one first and divide it by the bottom
Answer:
70/3
this is the answer I hope it helps u!! :D
Use the permutation formula to solve a problem when n = 15 and r = 4.
A.
B. 54
C. 3,276
D. 32,760
\(nPr = \frac{n!}{(n - r)!} \)
\(15P4 = \frac{15!}{(15 - 4)!} = \frac{15!}{11!} \\ = \frac{15 \times 14 \times 13 \times 12 \times 11!}{11!} \\ 15 \times 14 \times 13 \times 12 = 32760\)
The permutation of the given values will be \(32,760\).
What is permutation ?A permutation is a mathematical calculation of the number of ways a particular set can be arranged, where the order of the arrangement matters.
Permutation \(^nP_{r}= \frac{n!}{(n-r)!}\)
We have,
\(n = 15\)
And
\(r = 4\)
So, using Permutation Formula;
Permutation \(^nP_{r}= \frac{n!}{(n-r)!}\)
i.e.
\(^nP_{r}= \frac{15!}{(15-4)!}\)
\(= \frac{15!}{11!}= \frac{15*14*13*12*11!}{11!}\)
Now, cancelling factorial terms,
We get,
\(^nP_{r}= 15*14*13*12\)
\(^nP_{r} =32760\)
So, the value is \(32760\).
Hence, we can say that the permutation of the given values will be \(32,760\).
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