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Rama09 [41]
3 years ago
7

Find f(-7) if f(x) = 2x+8. -6 03 02 22

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
5 0
-6, because (-7) x 2 = -14, + 8 = -6.
lions [1.4K]3 years ago
4 0
The answer for you problem is -6.

2(-7)+8
-14 +8
-6
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X2<br>2<br>ab<br>ab to<br>b<br>The diagian<br>K<br>n shows<br>rectangle. The shade<br>Find x.<br>​
Norma-Jean [14]

Answer:

x = 28 cm

Step-by-step explanation:

Given:

Area of link shaded regions = 84 cm²

Required:

The value of x (diameter of the semicircle/length of the rectangle)

Solution:

Diameter of the semicircle = 2r = x

Length of rectangle (L) = 2r = x

Radius of semicircle (r) = ½x

Width of rectangle (W) = radius of semicircle = ½x

Use 3.14 as π

Area of the link shaded regions = area of rectangle - area of semicircle

Thus:

Area of the link shaded regions = (L*W) - (½*πr²)

Plug in the values

84 = (x*½x) - (½*3.14*(½x)²)

84 = x²/2 - (1.57*x²/4)

84 = x²(½ - 1.57/4)

84 = x²(0.5 - 0.3925)

84 = x²(0.1075)

Divide both sides by 0.1075

84/0.1075 = x²

781.4 = x²

√781.4 = x

27.9535329 = x

x = 28 cm

5 0
3 years ago
Please help me branniest <br> Explain answers
Nana76 [90]

when a number is raised to two powers, the first step is to multiply the two powers together:

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The answer is B. 5



7 0
3 years ago
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harina [27]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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Sergio [31]

Step-by-step explanation:

The answer is option b.

Explanation in the pic.

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V-6>=4
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3 years ago
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