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Ber [7]
3 years ago
12

When 3x² - 2x + 1 is subtracted from 2x² +7x + 5, the result will be?​

Mathematics
2 answers:
TiliK225 [7]3 years ago
8 0

Answer:

-x^2+9x+4

Step-by-step explanation:

 2x² +7x + 5

<u>- </u><u>3x² - 2x + 1</u>

-x^2+9x+4

Karolina [17]3 years ago
4 0

Answer:

-x²+9x+4

Step-by-step explanation:

Hope this helps!

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Find The Value of X:<br> A= 12<br> B= 16<br> C= 21<br> D= 24
Dmitriy789 [7]

Answer:

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Step-by-step explanation:

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Jose is baking cakes. He needs 3/4 of butter for each cake. One stick of butter is a 1/2 of a cup. How many sticks do he need to
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Step-by-step explanation:

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3 0
3 years ago
What is the area of a triangle for one of the legs being 3in and the hypotenuse being 9in
elena55 [62]

The area of a triangle for one of the legs being 3 inches and the hypotenuse being 9 inches is 12.727 square inches

<em><u>Solution:</u></em>

Given that to find area of a triangle for one of the legs being 3 inches and the hypotenuse being 9 inches

From given information,

Let "c" = hypotenuse = 9 inches

Let "a" = length of one of the leg of triangle = 3 inches

To find: area of triangle

<u><em>The area of triangle when hypotenuse and length of one side of triangle is given:</em></u>

A = \frac{1}{2} a \sqrt{c^2 - a^2}

Where, "c" is the length of hypotenuse

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Substituting the given values we get,

A = \frac{1}{2} \times 3 \times \sqrt{9^2 - 3^2}

A =\frac{1}{2} \times 3 \times \sqrt{81-9}\\\\A =\frac{1}{2} \times 3 \times \sqrt{72}\\\\A =\frac{1}{2} \times 3 \times 8.48528\\\\A = \frac{1}{2} \times 25.45584\\\\A = 12.727

Thus area of triangle is 12.727 square inches

5 0
3 years ago
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