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2 years ago

If BC = 6 and AD = 5, find DC.

Mathematics

1 answer:

bekas [8.4K]2 years ago

3 0

The answer is 4. You should’ve posted a picture

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Rewrite this expression using the distributive property.<br> (3x2 + 4x-7)(x-2)

RideAnS [48]

Answer:

Step-by-step explanation:

Each factor on the right has to be multiplied by the equation on the left and then you add them.

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2 years ago

Write the word sentence as an equation. Then solve.

strojnjashka [21]

Equation- p-6= -14
Answer- p=-14

3 0

3 years ago

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What are the solutions to the quadratic equation (5y +6) 2= 24?

boyakko [2]

Answer:

$y=-2.18,-0.22$

Step-by-step explanation:

We have been given the equation

$(5y+6)^2=24$

Take square root both sides. When ever we take square root, we include plus minus sign

$\sqrt{(5y+6)^2}=\pm\sqrt{24}\\\\5y+6=\pm2\sqrt6$

Now, subtract 6 to both sides of the equation

$5y=-6\pm2\sqrt6$

Divide both sides by 5

$y=\frac{1}{5}(-6\pm2\sqrt6)$

$y=\frac{1}{5}(-6+2\sqrt6),y=\frac{1}{5}(-6-2\sqrt6)$

In decimal we have

$y=-2.18,-0.22$

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3 years ago

What is the answer for 4 1/5 × 3/7

KatRina [158]

Answer:

Step-by-step explanation:

<h3>4 1/5 × 3/7</h3><h3 /><h3>•change 4 1/5 into an <u>improper fraction</u></h3><h3 /><h3>21/5 × 3/7</h3><h3 /><h3>= 63/35</h3><h3 /><h3>= 9/5 </h3>

$\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}$

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2 years ago

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Solve the system of equations

ira [324]

Answer:

B) x = 2, y = 1

Step-by-step explanation:

Add the two equations to eliminate the x-variable.

(x +3y) +(-x +6y) = (5) +(4)

9y = 9 . . . . . . .simplify

y = 1 . . . . . . . . divide by 9

You can substitute this value into either equation to find x.

x + 3(1) = 5

x = 2 . . . . . . . . subtract 3

The solution is (x, y) = (2, 1).

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3 years ago

Read 2 more answers