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love history [14]
3 years ago
8

Solve the inequality for v.3v-37>-2(8-5v)Simplify your answer as much as possible.​

Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

-3 >v

Step-by-step explanation:

3v-37>-2(8-5v)

Distribute

3v -37> -16 + 10v

Subtract 3 from each side

3v -3v -37> -16 + 10v-3v

-37 > -16 +7v

Add 16 to each side

-37 +16 > -16+16 +7v

-21 > 7v

Divide each side by 7

-21/7 >7v/7

-3 >v

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In a class of 20 students, 9 are female and 15 have an A in the class. There are 2 students who are male and do not have an A in
Y_Kistochka [10]

Answer:

3/5

Step-by-step explanation:

9/15=3/5

since 15 had an a you divide the girls over the people who had an A

3 0
3 years ago
9
Mnenie [13.5K]

Answer: n = 75; p = 30

Explanation: (a) 5p + 4n = 450 where p is for pen and n is for notebook.

(b) 10p + 3n = 525

We can use the elimination method to solve these two equations.

1. Multiply the first equation by 2 so that 10p will cancel out:

2(5p + 4n = 450)

- 10p + 3p = 525

10p + 8n = 900

- 10 p + 3n = 525

5n = 375

2. Divide by 5 to get n alone: n = 75

3. Plug 75 into the first equation: 5p + 4(75) = 450

5p + 300 = 450

4. Subtract 300 from 450: 5p = 150

5. Divide by 5 to get p alone: p = 30

We can test if this is correct by plugging our answers into the second equation:

10(30) + 3(75) = 525

300 + 225 = 525

525 = 525

This is a true statement, which means that our answers are correct.

6 0
3 years ago
Is 14/21 proportional
pantera1 [17]

Answer

Yes

both divide by 7

2/3

Step-by-step explanation:

Another example if it was 15/10

Then yes

Both divide by 5

so

3/2

8 0
3 years ago
Read 2 more answers
Solve for x and y. Thank u so much!!​
Setler79 [48]
Y is 45 x is 30 I think
7 0
3 years ago
Isaac Green Elimination (Level 1) Mar 17, 8:18:58 AM Find the solution of the system of equations. 8x + y = -13 8r 2y = 10​
kicyunya [14]

Answer:

y = 23

x = -4.5

Step-by-step explanation:

Given:

Equation

8x + y = -13 ......eq1

8x + 2y = 10​........eq2

Find:

Solution

Computation:

Eq2 - Eq1

y = 23

From eq1

8x + y = -13

8x + 23 = -13

8x = -36

x = -4.5

5 0
3 years ago
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