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Marianna [84]
3 years ago
7

Simplify. 1/4+4(1/2−3/4)^2 Enter your answer in the box.

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0
The Simplest form is \frac{1}{2}


\frac{1}{4} +4(\frac{1}{2} - \frac{3}{4})^{2}   PEMDAS

\frac{1}{4}+4(-\frac{1}{4})^{2}                       Subtract inside parenthesis \frac{1}{2} - \frac{3}{4} =- \frac{1}{4}

\frac{1}{4}+4( \frac{1}{16})                            Square - \frac{1}{4}                       

\frac{1}{4} + \frac{1}{4}                                 Multiply 4 and \frac{1}{16}                        

\frac{1}{2}                                                       Add \frac{1}{4} + \frac{1}{4}

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Lena [83]

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2 years ago
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Work out the surface area of this solid prism.
alexandr1967 [171]

Answer:

2520cm²

Step-by-step explanation:

Surface area = sum of the area of all the bases.

Area of bottom base = 28 * 30 = 840

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Then add all the areas together to find surface area

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Area of a triangle = ( height * base length ) / 2 . This formula was used to find the area of the sides which are triangles.

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In plane ABC the measure of angle A equals 42° the measure of angle B is five times the measure of angle C find the measure of a
krok68 [10]

Step-by-step explanation:

I think what is meant in the triangle ABC we have the three angles.

the sum of all angles in a triangle is airways 180 degrees.

so,

180 = A + B + C

180 = 42 + B + C

now, we know also that

B = 5×C

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C = 138/6 = 23 degrees

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7 0
2 years ago
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