All categories

3 years ago

Evaluate each expression for the given value of the variable 1 + r2-r; r=5

1 answer:

4 0

To solve this expression, we need to plug r into the equation.

1 + (5)2 - (5)
= 1 + 10 - 5
= 11 - 5
= 6

Hope this helps!

You might be interested in

In 1990, the average math SAT score for students at one school was 498. Five years later, a teacher wants to perform a hypothe

mojhsa [17]

Answer:

A. Fail to reject the claim that the average math SAT score is 498 when in fact it is not 498.

Step-by-step explanation:

Type II Error:

A type II error happens when there is a non-rejection of a false null hypothesis.

In this question:

The null hypothesis is H0:μ=498.

Since there is a type II error, there was a failure to reject the claim that the average math SAT score is 498 when in fact it is not 498, and thus, the correct answer is given by option A.

6 0

3 years ago

Purchasing a TV that is 20% off will save $180.

Flauer [41]

Answer:

$900

Step-by-step explanation:

a)Off given on purchasing a TV= 20%

20% on TV = $ 180

Let the original price of TV set $ x

According to question,

20% of x= $180

$\frac{20}{100}$ ×x= $180

x = $ 180× 5

x= $ 900

Hence, Original price of TV set= $ 900

b) By second method,

20%= $180

1%= $ 9

100% = $900

Hence, the original price $ 900

4 0

3 years ago

F(x) = 9(9 + x)(10) <br>f(5) = ?

natima [27]

<h2>♪Answer : </h2>

»f(x) = 9(9 + x)(10)

subtitute x = 2 for f(x).

»f(5) = 9(9 + 5)(10)

»f(5) = 9(14)(10)

»f(5) = 1,260✅

4 0

3 years ago

Read 2 more answers

What is the equation of the line that passes through the point (-2,-2) and has a slope of 4

Karolina [17]

Answer:

y=4x+6

Step-by-step explanation:

8 0

3 years ago

Please Help Will Give Brainiest! :3

Gnom [1K]

I think motorcycle is the answer.

8 0

4 years ago