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Gnom [1K]
2 years ago
15

F(x)= 5x + 7. Evaluate F(5)

Mathematics
1 answer:
Vikentia [17]2 years ago
8 0

Answer:

F(x) = 5x + 7

F(5) = 5*5 + 7 = 25 + 7 = 32

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Which diagram best shows how fraction bars can be used to evaluate One-half divided by one-fourth? A fraction bar labeled 1. Und
Leto [7]

Answer:

Step-by-step explanation:

The description is too ambiguous to reconstruct the diagram. You need to post the actual diagram.

That diagram is just one way to view division by a fraction. An easier way: DIVIDING by a fraction is the same as MULTIPLYING by the upside-down fraction. For example,

(1/2) ÷ (1/4) = (1/2) × (4/1) = 2

That doesn’t help you answer this particular question, though.

6 0
2 years ago
A political polling agency predicts candidate A will win an election with 63% of the votes. Their poll has a margin of error of
scoray [572]

Answer:

56% ≤ p ≤ 70%

Step-by-step explanation:

Given the following :

Predicted % of votes to win for candidate A= 63%

Margin of Error in prediction = ±7%

Which inequality represents the predicted possible percent of votes, x, for candidate A?

Let the interval = p

Hence,

|p - prediction| = margin of error

|p - 63%| = ±7%

Hence,

Upper boundary : p = +7% + 63% = 70%

Lower boundary : p = - 7% + 63% = 56%

Hence,

Lower boundary ≤ p ≤ upper boundary

56% ≤ p ≤ 70%

5 0
3 years ago
What is the length of c in inches
crimeas [40]

Answer:

\sqrt{500} inches

Step-by-step explanation:

a^2+b^2=c^2

10^2+20^2=c^2

100+400=c^2

c^2=500

\sqrt{500}

4 0
3 years ago
Y = f(x) = 4^x<br> Find f(x) when x = 1/2<br> Enter the correct answer.
nirvana33 [79]
I believe the answer is 2
4 0
2 years ago
Read 2 more answers
Y=0.2(4)x is it exponential growth or decay
Dmitry [639]

Answer:

growth

Step-by-step explanation:

This is of the form

y = ab^x  where a is the initial value and b is either growth or decay

if b > 1 then it is growth

b <1 it is decay

a = .2

b = 4

Since b>1 it is growth

5 0
3 years ago
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