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bija089 [108]
3 years ago
9

F(x) = -7x - 1 f() = -8

Mathematics
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

  f(1) = -8

Step-by-step explanation:

Apparently, you want the argument of the function such that the function value is -8. Fill in the given information and solve for x:

  -8 = -7x -1

  -7 = -7x . . . . add 1

  1 = x . . . . . . . divide by -7

Now, you know that ...

  f(1) = -8

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2 years ago
1. Segment A'B' is parallel to segment AB. What is the length of segment BB'?
ella [17]

Answer:

A. 3.5

Step-by-step explanation:

Given that AB is parallel to A'B', therefore,

CB/CB' = CA/CA'

CB' = 7

CB = CB' + BB' = 7 + BB'

CA' = 6

CA = CA' + AA' = 6 + 3 = 9

Plug in the values

(7 + BB')/7 = 9/6

(7 + BB')/7 = 3/2

Cross multiply

2(7 + BB') = 7(3)

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3 years ago
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4 years ago
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3 years ago
Isaiah is decorating the outside of a box in the shape of a triangular prism. The figure
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Answer:

389.19 m²

Step-by-step explanation:

The surface area of the box = area of the two equal triangles + area of the 3 different rectangles

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Area = 2(½*base*height)

base = 7 m

height = 8 m

Area of the two triangles = 2(½*7*8) = 56 m²

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Area of rectangle 2 = 13*8 = 104 m²

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L = 13 m

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✅Surface Area of the box = 56 + 91 + 104 + 138.19 = 389.19 m²

6 0
3 years ago
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