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Zolol [24]
4 years ago
11

If f(x) =4x +5, what is the value of f(-3)?

Mathematics
2 answers:
fiasKO [112]4 years ago
8 0

Answer:

f(-3)= -7

Step-by-step explanation:

1. substitute

f(-3)=4(-3)+5

f(-3)=-12+5

f(-3)=-7

Aliun [14]4 years ago
7 0

Answer:

-7

Step-by-step explanation:

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Help pls!!!!!!!!!!!!!!!!!!!!!!!
tester [92]

Answer:

x = -6

Step-by-step explanation:

50+x+46=90

x=90-50-46

x= -6

5 0
3 years ago
Find the diameter of a cone that has a volume of 56.52 cubic inches and a height of 6 inches. Use 3.14 for pi.
vovikov84 [41]
Volume of cone = (1/3)pi*r²h

56.52 = (1/3)*3.14*r²*6

56.52/(2*3.14) = r²

9 = r²

r² = 9

r = √9

r = 3

Diameter = 2*r = 2*3 = 6 inches
8 0
4 years ago
Read 2 more answers
Which one???????????????
Ira Lisetskai [31]
The answer should be parabola.
4 0
3 years ago
Read 2 more answers
If f(x) varies directly with x and f(x) = 72 when x = 6, find the value of f(x) when x = 3.
yaroslaw [1]

Answer:

36

Step-by-step explanation:

Since f(x) varies directly with x, f(x) can be expressed alternatively as \[f(x) = k * x\] where k is a constant value.

Given that f(x) is 72 when the value of x is 6.

This implies, \[72 = k * 6\]

Simplifying and rearranging the equation to find the value of k:

k = \frac{72}{6}

Hence k = 12

Or, \[f(x) = 12 * x\]

When x = 3, \[f(x) = 12 *3 \]

Or in other words, the value of f(x) when x=3 is 36

6 0
4 years ago
Read 2 more answers
Geometric sequence find common ratio 0.45,0.9,1.8
prisoha [69]

Answer:

<h3>The common ratio is 2</h3>

Step-by-step explanation:

To find the common ratio of the geometric sequence divide the previous term by the next term

That's

0.9 / 0.45 = 2

1.8 / 0.9 = 2

Therefore the common ratio is 2

Hope this helps you

7 0
3 years ago
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