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Fed [463]
2 years ago
7

F(x) = 8-5x find value f(4c)

Mathematics
2 answers:
Maurinko [17]2 years ago
7 0

Answer:

8-20c

Step-by-step explanation:

never [62]2 years ago
6 0

Answer:

8-20c

Step-by-step explanation:

This is simply subsituting 4c for x and multiplying it by 5 since f(x) is being replaced by f(4c).

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The sum of a certain number and -3.4 is -8.1 find the number​
kirza4 [7]
Answer:

-4.7

Explanation:

-4.7 + -3.4 = -8.1

I’m giving you an Integer Rule Cheat Sheet that I use. Hopefully it can help you with Math problems like this!

6 0
3 years ago
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A stand is a frustum shape, formed by removing a small square-based pyramid from the top of
kupik [55]

The frustum can be considered as consisting of a square pyramid, less the

cut volume.

  • The mass of the stand, is approximately 18.60905 kg

Reasons:

The given parameter of the frustum are;

The density of the frustum, ρ = 85 g/cm³

Height of pyramid, h = 9 cm

Side length of base = 10 cm

Height of frustum

By proportional shapes, the side length of the top of the frustum can be found as follows;

\dfrac{4 \, cm}{9 \, cm} = \dfrac{x}{10 \, cm}

x = \dfrac{4 \, cm}{9 \, cm} \times 10 \, cm = 4\frac{4}{9} \, cm

V = \dfrac{h}{3} \times \left(B_1 + B_2 + \sqrt{B_1 \times B_2} \right)

B₁ = 10², B₂ = \left(4\frac{4}{9} \right)^2

Therefore;

V = \dfrac{4}{3} \times \left(10^2 + \left(4\frac{4}{9}  \right)^2  + \sqrt{10^2 \times  \left(4\frac{4}{9}  \right)^2} \right) \approx 218.93

The volume of the stand, V ≈ 218.93 cm³

Mass = Volume × Density

∴ Mass of the stand, m = 218.93 cm³ × 85 g/cm³ = 18,609.05 grams = 18.60905 kg.

Learn more here:

brainly.com/question/24323975

8 0
3 years ago
5,977,243 x 457,766 pls answer
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Answer:

a number

Step-by-step explanation:

5 0
3 years ago
Determine the equation of the line that goes through the points (-2, 1) and (1, -1).
yKpoI14uk [10]

Answer:(2,3)

Step-by-step explanation:

y2-y1/x2-x1

3 0
3 years ago
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The drama club sold 209 evening show tickets for $18.50 each and some afternoon show tickets. They want to make $5,700 for the t
Zina [86]

Answer:

156

Step-by-step explanation:

209x18.50=3866.5

5700-3866.5=1833.5

1833.5÷11.75=156.04

3 0
2 years ago
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