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3 years ago

9

What are the possible values of x in 32x + 20 = 28x − 16x2?

1 answer:

maw [93]3 years ago

8 0

Answer:

B .`-(1)/(8) stackrel(+)(-) (isqrt(79))/(8)`

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At a charity function, $150,045 was donated by three companies A, B, and C in the ratio 7 : 5 : 9. How much money did company B

Svetach [21]

35,725
this is because u can take the ratio 7+5+9=21 then take 150,045/21 which u get 7,145 then time 5 and u get 35,725

8 0

3 years ago

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Identify the independent and dependent variables. Eman is conducting an experiment to see how much sugar will dissolve in water

ANTONII [103]

B. <span>The independent variable is the amount of sugar dissolved, and the dependent variable is the temperature of the water. Hope this helps. </span>

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3 years ago

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What do bones do

professor190 [17]

What do bones do?

1.) They help us keep our structure.

2.) They protect inner organs.

3.) They produce blood cells in bone marrow.

4.) They allow us to move.

5.) They store minerals and some fats.

I hope this helps!

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3 years ago

Find the value of y...

soldier1979 [14.2K]

Answer:

y=0

Step-by-step explanation:

Rewrite Evaluate Powers:

3 $3^{2y-1}+3^{-1}+2*3^{y}*3^{-1}=1$

Calculate:

$(3^{y})^{2}*\frac{1}{3} +2*3^{y}*\frac{1}{3}=1$

Solve using substitution:

$(3^{y})^{2}*\frac{1}{3} +\frac{2}{3} *3^{y}=1$ $t=3^{y}$

Solve the equation for t:

$t^{2}*\frac{1}{3}+\frac{2}{3}t=1$

t=-3

t=1

Substitute back to t=3^y

3^y=-3

3^y=1

y∉R

$3^{y}=1$

y=0

5 0

2 years ago

If x varies directly as y, and<br> X = 24 when y= 21, Find x when<br> Y=6

Ne4ueva [31]

Answer:

x = 48/7

Step-by-step explanation:

There's two good ways to do this problem.

Option 1:

Translate "x varies directly as y" into the equation y=kx

Then you have to find k. After you "reset" your y=kx equation, fill in k and then solve for x. See image.

Option 2:

Translate "varies directly" into a proportion, which is two fractions equal to each other:

x/y = x/y

Fill in the three numbers given and cross multiply and solve to find the fourth number. See image.

7 0

1 year ago