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dimulka [17.4K]
4 years ago
7

Solve.

Mathematics
1 answer:
Anestetic [448]4 years ago
8 0

Answer:

a = 50 and b = 75

Step-by-step explanation:

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Find the square root of 25
Usimov [2.4K]

Answer:

5

Step-by-step explanation:

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2 years ago
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How does the value of m affect the graph of the<br> equation?
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The value of m determines the slope of the line and shows whether the line with be negative, positive, undefined, etc..
7 0
3 years ago
Part A: Factor 3x2y2 − xy2 − 2y2. Show your work. (4 points)
Rudik [331]
A.

3x^2y^2-xy^2-2y^2=y^2(3x^2-x-2)=y^2(3x^2+2x-3x-2)\\\\=y^2[x(3x+2)-1(3x+2)]=y^2(3x+2)(x-1)

B.

x^2+6x+9=x^2+2\cdot x\cdot3+3^2=(x+3)^2=(x+3)(x+3)\\\\\text{Used}\ (a+b)^2=a^2+2ab+b^2

C.

x^2-25=x^2-5^2=(x-5)(x+5)\\\\\text{Used}\ a^2-b^2=(a-b)(a+b)

6 0
3 years ago
Please help me out :)
svetoff [14.1K]

Answer:

818.4 in²

Step-by-step explanation:

shaded region = area of sector - area of triangle

area of sector = area of circle × fraction of circle

A = π × 27.8² × \frac{150}{360} ≈ 1011.65 in²

area of triangle = 0.5 × 27.8 × 27.8 × sin150° ≈ 193.21 in²

shaded region = 1011.65 - 193.21 ≈ 818.4 in²

                         

3 0
3 years ago
A math test has 24 problems on it. If a student incorrectly answers 3 problems on the test, what percentage of problems are corr
GenaCL600 [577]

Answer:

they would get somewhere from 80% to 85%

Step-by-step explanation:

7 0
3 years ago
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