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2 years ago

The Martin family trucks does an average of 29 miles per gallon predict how many miles the car racing 3 gallons of gas

Mathematics

1 answer:

loris [4]2 years ago

7 0

Answer:

the truck will work 87 miles with 3 gallons

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Find the difference (5a^2+4ab-3b^2)-(-5ab+4b^2+3a^2)

Vesna [10]

Answer:

$\boxed{\bold{2a^2+9ab-7b^2}}$

Step By Step Explanation:

Remove Parenthesis: (a) = a

$\bold{5a^2+4ab-3b^2-\left(-5ab+4b^2+3a^2\right)}$

Simplify $\bold{-\left(-5ab+4b^2+3a^2\right)}$

$\bold{5ab-4b^2-3a^2}$

Rewrite Equation:

$\bold{5a^2+4ab-3b^2+5ab-4b^2-3a^2}$

Simplify $\bold{5a^2+4ab-3b^2+5ab-4b^2-3a^2}$

$\bold{2a^2+9ab-7b^2}$

- Mordancy

8 0

2 years ago

Read 2 more answers

Simplify: <br> (6r^4S^3)(9rs^2)

jekas [21]

$(6r^4s^3)(9rs^2)=6\cdot9r^{4+1}s^{3+2}=54r^5s^5$

5 0

3 years ago

One serving of this cereal provides you with 160 mg of sodium. This is 7% of your body's daily needs. How many milligrams of sod

denis23 [38]

First, we see the closest multiple of 7 under 100 is 98 and that divided by 7 is 14. there are 2/7 as our remainder. We do 2/7 times 160 to get 320/7 and 320/7 = 45 and 5/7. We convert 5/7 into a decimal like 5/7 = .7. The answer is 45.7 milligrams of sodium.

6 0

3 years ago

Identify whether each equation has one solution infinitely many solutions, or no solution

kati45 [8]

Answer:

1. infinite

2. none

3.one solution

4.none

5.none

Step-by-step explanation:

7 0

2 years ago

Explain how you could use a number line to determine -5 -(-3)<br><br> What is the difference?

siniylev [52]

Answer:

-2

Step-by-step explanation:

Start on -5 on the left side of the number line, jump from -5 three times to the right of the number line since ( - - ) means to add. As you jump draw "bridges" and by the time you have completed the amount of jumps you have to do you'll end up with a difference of -2.

8 0

3 years ago