Mathematics Middle School

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Answers

Answer 1

Answer:

[tex]y=1.44[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDASEquality Properties

Step-by-step explanation:

Step 1: Define

[tex]\frac{4.5}{y} =\frac{12.5}{4}[/tex]

Step 2: Solve for y

Cross-multiply: [tex]4(4.5) = 12.5y[/tex]Multiply: [tex]18 = 12.5y[/tex]Isolate y: [tex]1.44 = y[/tex]Rewrite: [tex]y=1.44[/tex]

Step 3: Check

Plug in y to verify it's a solution.

Substitute: [tex]\frac{4.5}{1.44} =\frac{12.5}{4}[/tex]Divide: [tex]3.125=3.125[/tex]

Here, we see that 3.125 does indeed equal 3.125. ∴ y = 1.44 is a solution of the equation.

Answer 2

The answer is down below.

Related Questions

Identify the function shown in this graph.
2
-5 -4 -3 -2 -1
5
O A. y = -5x + 3
B. y=-3x+3
C. y = -5x - 3
D. y = 5x - 3

Answers

It’s A
It intercepts the y axis at 3 and the slope is 5 and it’s going to the left making it - so the equation is y=-5x+3

Answer: y = -5x + 3

Step-by-step explanation:

-5 -4 -3 -2 -1

O A. y = -5x + 3

B. y=-3x+3

C. y = -5x - 3

D. y = 5x - 3

Andrea has $18 to spend. She spent $6.50, including tax, to buy a notebook. She needs to save $5.75, but she wants to buy a snack. If candy bars cost $1.15 per package including tax, what inequality would show the maximum number of packages that Andrea can buy? Solve your inequality by showing your work and steps.
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Answers

Answer:

The number candy bar packages must be less than or equal to 5 . The maximum number is 5.

Step-by-step explanation:

Let the number of candy bar packages be n .

6.50 - 5.75

Now we can drop the dollar signs from every number and simplify.

18 - 6.5 - 1.15n ≥ 5.75

11.5 - 1.15n ≥ 5.75

Subtract 11.5 from both sides of the inequality.

-1.15n ≥ -5.75

Divide both sides by -1.15 and flip the inequality sign.

n ≤ 5

The number candy bar packages must be less than or equal to 5 . The maximum number is 5.

(I think this is right)

The maximum number of candy bar packages must be less than or equal to 5.

What is inequality?

A relationship between two expressions or values that are not equal to each other is called 'inequality'.

Given that, Andrea has $18 to spend, she spent $6.50, including tax, to buy a notebook, she needs to save $5.75, but she wants to buy a snack, candy bars cost $1.15 per package including tax

Let the number of candy bar packages be n

18-6.5-1.15n ≥ 5.75

11.5-1.15n ≥ 5.75

-1.15n ≥ -5.75

n ≤ 5

Hence, The maximum number of candy bar packages must be less than or equal to 5.

For more references on inequality, click;

https://brainly.com/question/28823603

#SPJ3

Find the percent increase or decrease: 39 to 43 students

Answers

the percent will be 91%
Can you mark me as a brainlist please?

What is the value of x?

Answers

Answer: 12

Explain: Hope this helps!

5(n-10)=
please i am willing to pay 100$ if answered

Answers

Answer:

5n-50

Step-by-step explanation:5n-5x10

5n-50 is the answer to this response

On a March day the temperature changed by an average of -0.5° C per hour from its high of 5° C at 1:00 pm. What was the temperature at 10:00 pm?

Answers

0°? seems like it if you were to sub 0.5 ten times from 5

y=6(x-8). Solving for x

Answers

Answer:

x= y/6 + 4/3

Step-by-step explanation:

Write an algebraic expression for the word phrase 8 times the product of Drag the word to the description it matches. Each word may be used more than once

Answers

Answer:

(8 . x)

Step-by-step explanation:

8 times the product of drag

Answer:

the answer would be C, 8gh

Step-by-step explanation:

Hope this helps :)

Figure b is a scaled copy of figure a. What is the scale from figure a to figure b

Answers

Answer:

The scale of this figure 4 to 1

4-1 :) sorry if I’m wrong

please help me please

Answers

Answer:

$6 per lap

Step-by-step explanation:

As you see the line go up, you can can see that when the line goes on the first lap, you see that the line also right in line with the 6. The constant of proportionality is $6 every lap

Hope this helps and mark brainliest please!

Answer:

$6 per lap for every lap she gets $6

Which expression is equivalent to -3(4x-0.50)?

Answers

Answer:

Step-by-step explanation:

The answer is definitely 3

ayo help asap ??? so confusing anyways

5.) Determine if each of the following values of x is in the solution set to the compound inequalities given below? Justify each of your choices by showing your calculations.

Answers

Answer:x=0 is the first statement, 3x+2<12 is the greater justification

Step-by-step explanation:

The temperature dropped 4 degrees each hour for 3 hours. What was the total change in temperature?

Answers

Answer:

Step-by-step explanation:

Answer:

12 degrees

Step-by-step explanation:

You have to multiply the degrees by hours

–15.52 + 54.25 explain how you found your answer.
Will brainlist

Answers

Answer:

38.73

Step-by-step explanation:

For adding negatives, you basically just subtract. For example, -3+5. To find the answer, you subtract 3 from 5, leaving you with 2. For decimals, you add like normal, but you carry the decimal down, and leave it in the same place.

Answer:

69.77

Step-by-step

1. Put the numbers in a vertical column, aligning the decimal points

2. Add each column of digits, starting on the right and working left. If the sum of a column is more than ten, "carry" digits to the next column on the left.

3. Place the decimal point in the answer directly below the decimal points in the terms.

How many hair styles could harry styles style if harry styles could style hair styles?

Answers

Answer: Many

Step-by-step explanation:

I love this
..........

PLEASE HELP IM FAILING PLZ ONLY ANSWER IF YOU ARE 100% SURE

Answers

Answer:

Its 1.75

Step-by-step explanation:

hes going 0.25 faster every meet

HELPFAST What is the sum of -2/6 and 3/2? 10 points

Answers

7/6 i think! hope this helps

Answer:

-2/6+3/2

-2/6+9/6

7/6

I hope this is good enough:

First-person to get ALL of them right will gets brainiest you have to have an explanation

Answers

Answer:

2x and the blank should be 2x as well

Step-by-step explanation:

all of them are being doubled

2x and the blank is 2x

Find the percent of change and specify whether it is an increase or a decrease. Round answers to the nearest tenth ONE DECIMAL if necessary. Question: From $15 to $62.

I will make u brainlist

Answers

Increase because once you get down to Decimals the terms revolve backwards

6.34 because the radius is pie then divided

help ASAP again . !!

Answers

Answer:

Second Answer

Step-by-step explanation

Since She is younger it is negative and seven because four years younger twice her brother's age

HELPPPP look at imag

Answers

Answer:

the answer is D

Step-by-step explanation:

dram is 40 film is 24 40 divided by 8 is 5 and 24 divided by 8 is 3 so it equals 5:3

can someone please help me on this

Answers

Answer:

Step-by-step explanation:

if you subtract the beginning height from the ending height, you can see how high the plant grew between the beginning and end, ex. 44-6=38

Last week John made/has $50.00 from playing the lottery. This week he lost $25.00 playing the same lottery game. What is his percent of change between last week 20. and this week? First find the difference, the amount of change in John's money, then find the percent of change for how much money John now has.

Answers

Answer:

He lost 50% and he was 25 left I think

Step-by-step explanation:

You want to do a quick estimate to the ones place of the sum of the following set of data. Pick the correct estimation.
3.5
6.7
3.2
1.7
18
14
16
15

Answers

Answer:16

Step-by-step explanation:

3.5 - 4

6.7 - 7

3.2 - 3

1.7 - 2

Add those up and you get 16

Answer:

Step-by-step explanation:

it is the correct answer.

The bottom two questions at are fully visable!!

Answers

Answer:

i say it is not linear because i really think that as the number of trees increase the apples should increase as well but i noticed that when it is 10 trees its 120 apples 15 trees 150 apples then it decreases by 20 when its 20 trees y becomes 130

Step-by-step explanation:

Answer:

Non-linear

Step-by-step explanation:

To get to 100 from 5, multiply by 20. To get to 120 from 10, you multiply by 12. This means that the table in non-linear. If it was the table would go, 5 to 100, 10 to 200, 15 to 300, and 20 to 400.

I am doing rate of change, my question is down below.

Answers

5/2 is your answer i think i could be wrong tho

write three different division expressions, with fractional dividends and divisors, whose quotient is 5. pls help

Answers

Answers:

15/3, 5/1, 10/2

Step-by-step explanation:

All of these simplified equal 5.

Answer:

hope you understand:)

Step-by-step explanation:

2/3, 5/8, -3/14, -11/-5, 7/-9, 7/-15 and -6/-11 etc. Division of ordinary fractions is done by multiplying the first fraction by the reciprocal of the second fraction. For example, to divide, 4/3 ÷ 2/3, you simply find the product of the first fraction and the inverse of the second fraction; 4/3 x 3/2 = 2.

Answer the following question in 3-4 complete sentences. Why is painting more often associated with art than any other media? What type of painting do you find most interesting? Why?

Answers

This painting is more associated with art because it brings a touchy image to this world. It gives such a powerful energy. It makes me want to draw more

khan academy 0.03 watts (W) per meter (m) per degree Celsius ( ∘ C). What is the batting's thermal conductivity value in cm⋅ ∘ C W ?

Answers

#127373747299183747744

View
Lilliana is training for a marathon. She runs the same distance every day for a week. On Monday,
Wednesday, and Friday, she runs 2 laps on a running trail and then runs 8 more miles. On Tuesday and
Sunday, she runs 4 laps on the trail and then runs 4 more miles. On Saturday, she just runs laps. How many
laps does Lilliana run on Saturday?
Step

Answers

Answer:

6 Laps

Step-by-step explanation:

Each lap is 2 Miles.

If she runs 2 laps and runs 8 more, 2x2 = 4. 8 + 4 = 12

If she runs 4 laps and 4 miles, 4x2 = 8. 8 + 4= 12

On Saturday, she has to run 12 miles so 6 x 2 = 12

She would have to run 12 laps.

Hope I helped! Plz leave a review or rating!

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