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3 years ago

11

6TH GRADE MATH!!! I NEED HELP ASAP

2 answers:

aleksandr82 [10.1K]3 years ago

8 0

Step-by-step explanation:

you would start by replacing the "x" with the 9

subtract the 15 and 9

then that would equal 6 which in this case it would be equal to

I'm pretty sure (sorry if it is wrong)

Zina [86]3 years ago

7 0

Yes, because 15-9=6 and that is equivalent to 6

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A truck driver can travel 560 miles on 28 gallons of gas. How far can he travel on 35 gallons of gas?

Shtirlitz [24]

560 / 28 = 20....so the driver travels 20 miles per gallon

on 35 gallons......35 * 20 = 700 miles <==

or u can also do it this way...

560/28 = x / 35....560 miles to 28 gal = x miles to 35 gal
cross multiply because this is a proportion
(28)(x) = (560)(35)
28x = 19600
x = 19600/28
x = 700 miles <==

so u can either do it by finding the unit rate or by making a proportion. either way will result in the same answer.

8 0

3 years ago

Helpppppppppppppppppppppppppppppppppppppp

german

Answer:

$\dfrac{x^4y^4}{81}$

Step-by-step explanation:

$(\dfrac{3}{xy})^{-4} =$

$= (\dfrac{xy}{3})^{4}$

$= \dfrac{(xy)^4}{3^4}$

$= \dfrac{x^4y^4}{81}$

4 0

3 years ago

If the demand function for a commodity is given by the equation

Margarita [4]

Answer:

Equilibrium quantity = 26.92

Equilibrium price is $31.13

Step-by-step explanation:

Given :Demand function : $p^2 + 16q = 1400$

Supply function : $700 -p^2 + 10q = 0$

To Find : find the equilibrium quantity and equilibrium price.

Solution:

Demand function : $p^2 + 16q = 1400$ --A

Supply function : $p^2-10q=700$ ---B

Now to find the equilibrium quantity and equilibrium price.

Solve A and B

Subtract B from A

$p^2-10q -p^2-16q=700-1400$

$-26q=-700$

$26q=700$

$q=\frac{700}{26}$

$q=26.92$

So, equilibrium quantity = 26.92

Substitute the value of q in A

$p^2 + 16(26.92) = 1400$

$p^2 + 430.72 = 1400$

$p^2 = 1400- 430.72$

$p^2 = 969.28$

$p = \sqrt{969.28}$

$p = 31.13$

So, equilibrium price is $31.13

7 0

3 years ago

JOIN MY MEETING <br><br><br>ID -- 9384026088 <br><br><br>password 1234

erica [24]

<em>Refer</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>attachment</em>

4 0

2 years ago

2.1 liters of coffee were equally distributed to 30 cups how many millimeters of coffee were in each cup

sattari [20]

Answer: 70 ml of coffee in each cup

Step-by-step explanation:

1 liter = 1000 ml

Amount of coffee given = <em>2.1 liters</em>

$\Rightarrow$ <em>2.1 liters = 2.1 * 1000 = 2100 ml</em>

Total number of cups = 30

$\therefore$ Amount of coffee in each cup = $\frac{Total\ amount \ of \ coffee}{number\ of \ cups}$ = $\frac{2100}{30}$ =70

<em>∵ Amount of coffee in each cup </em>= <u>70 milliliters</u>

4 0

3 years ago

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