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3 years ago

What does x equal if the equation is [x+3]÷2=9

Mathematics

1 answer:

ivanzaharov [21]3 years ago

7 0

The answer is 3 i think

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What is 2x-40y=73 and 7x+65y=332?

Mazyrski [523]

I hope you understand your answer is this

8 0

2 years ago

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Find the area of the circle. Leave your answer in terms of pi

puteri [66]

Answer:

Step-by-step explanation:

Since area of a circle is pi.r^2

We know that diameter is 20

Radius is half of diameter

So it becomes

Pi.(d/2)^2

So pi.(40/4) is the area of this circle.

Or 40pi/4

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3 years ago

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Which description is correct for the polynomial 2x² + 2?

Blizzard [7]

Answer:

The polynomial is a quadratic binomial

Step-by-step explanation:

we have

$2x^{2}+2$

Classify the polynomial

<u>By the number of terms</u>

we know that

A polynomial with two terms is a binomial

<u>By the Degree of a Polynomial</u>

we know that

The degree of a polynomial is calculated by finding the largest exponent in the polynomial

In the given problem the largest exponent is $2$

Is a quadratic equation

therefore

The polynomial is a quadratic binomial

6 0

3 years ago

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The image shows a geometric representation of the function f(x)=x^2-2x-6 written in standard form. What is the function written

Degger [83]

Y=(x-1)^2-7 This is this function in vertex form

9 0

3 years ago

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Pls help I’m failing asap

Kryger [21]

Answer:

The equation 2d + 18 = 24 can help find the number of days Jerry has been doing sit-ups.

Step-by-step explanation:

During the first day, Jerry did 18 sit-ups, and he proceeded to do 2 more sit-ups each following day, so the expression to represent this situation is 2d + 18. Because he did 24 sit-ups today, to find the number of days he did sit-ups, the equation to solve is 2d + 18 = 24.

4 0

3 years ago