3 years ago

Write each phrase as an algebraic expression “the quotient of p and 20 added to 4”

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

7 0

Thr answer is (9 ÷ 20) + 4.

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i got 28cm.... But im not sure

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3 years ago

If a quadratic equation with real coefficients has a discriminant of 3 then the two roots must be

lukranit [14]

In a quadratic equation

q(x) = ax^2 + bx + c

The discriminant is = b^2 - 4ac

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If b^2 - 4ac > 0, then the roots are real.

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then the two roots must be real

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Katyanochek1 [597]

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3 years ago

What is the value of a?

Annette [7]

Answer:

Step-by-step explanation:

Look at the picture.

The formula of an area of a trapezoid is:

$A=\dfrac{b_1+b_2}{2}\cdot h$

$b_1,\ b_2$ - bases

$h$ - height

We have:

$A=128,\ b_1=a+2,\ b_2=a-2,\ h=8$

Substitute:

$128=\dfrac{a+2+a-2}{2}\cdot8\\\\128=\dfrac{2a}{2}\cdot8$

$128=8a$ <em>divide both sides by 8</em>

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3 years ago

Can anyone help me ???

tia_tia [17]

1.57, divide two times pi (3.14)

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3 years ago