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3 years ago

What is 3p + 2 > -10

Mathematics

1 answer:

bezimeni [28]3 years ago

7 0

Answer:

p> -4

Step-by-step explanation:

3p + 2 > -10

3p > -10 -2

p> -4

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Determine the solution to the system of equations below.

Yanka [14]

Answer:

$\boxed{\sf{x=7 \quad y=2}}$

Step-by-step explanation:

To solve this problem, isolate it on one side of the equation.

x-3y=1: x=1+3y

x=1+3y

Substitute.

x=1+3y= 3(1+3y)-5y=11

Solve.

3+4y=11

Subtract by 3 from both sides.

3+4y-3=11-3

Solve.

11-3=8

Rewrite the problem down.

4y=8

Divide by 4 from both sides.

4y/4=8/4

Solve.

8/4=2

y=2

x=1+3y

x=1+3*2

Solve.

PEMDAS stands for:

Parenthesis
Exponents
Multiply
Divide
Add
Subtract

1+3*2

Multiply.

3*2=6

Add.

1+6=7

x=7

Therefore, the correct answer is x=7 and y=2.

I hope this helps you! Let me know if my answer is wrong or not.

4 0

3 years ago

Which inequality is equivalent to 7x-2y> 8.

SVETLANKA909090 [29]

$7x-2y> 8 \ \ -7x \\ \\7x -7x-2y> 8 -7x \\ \\ -2y >8-7x \ \ / : (-2)\\ \\\frac{-2}{-2}\cdot y < \frac{8}{(-2)}-\frac{7}{(-2)}x \\ \\ y < \frac{7}{ 2}x -4 \\ \\ \\ Answer : \ c) \ y < \frac{7}{2}x-4$

$If \ we \ multiply \ or \ divide \ both \ sides \ of \ an \ inequality \ by \ a \ negative \\ \\number \ we \ have \ to \ switch \ the \ direction \ of \ the \ inequality$

6 0

3 years ago

There are 20 alligators in the swamp. Each year, the number of alligators increases by 25%. There are 25 crocodiles in the swamp

myrzilka [38]

Part A: f(x)=(5)x+20(alligators) and f(x)=(10)x+25(crocodiles)

Part B: f(x)=(5)(4)+20(alligators) and f(x)=(10)(4)+25(crocodiles)
Alligators: 40 and Crocodiles: 65

Part C: None because the rate of the alligators won't catch up with the rate of crocodiles.

7 0

3 years ago

Arturo has $7. He wants to buy fruit smoothies for himself, his mother, brother and two sisters. Everyone will get the same size

Jet001 [13]

medium is the biggest size he can afford

4 0

3 years ago

0.8 - 0.5 ÷ 5 + 0.2 (i know the answer is 0.9. i need to know how to get that. as by what i'm doing i keep getting 0.5. tia)

ANTONII [103]

Answer:

Yes it's 0.9

Step-by-step explanation:

I got that by putting on my calculator and that's it ...

The calculator gave me the

answer

4 0

3 years ago