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2 years ago

Given the expression, 3(y + 1) + 2y, which of the following expressions is equivalent?

Mathematics

2 answers:

Vera_Pavlovna [14]2 years ago

4 0

Answer:

5y +3

Step-by-step explanation:

3(y + 1) + 2y =

3y +3 +2y =

5y +3

qaws [65]2 years ago

3 0

Answer:

I do not know what the ancer is

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A recent survey of 1090 U.S. adults selected at random showed that 623 consider the occupation of firefighter to have very great

REY [17]

Answer:

0.572

Step-by-step explanation:

From the question,

We have

n = 1090 of US adults

x = 623 selected from this population at random who consider the occupation to be one of great prestige

So we have that

The probability of X = x/n

= 623/1090

= 0.572

We conclude that 0.572 is the probability that a US adult selected at random thinks the occupation has great prestige.

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2 years ago

Help Or Else I wiLl TrOw YoU INto A ToLiet

bonufazy [111]

Answer:

n o

Step-by-step explanation:

I refuse to help. punish me and put me in the toilet

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2 years ago

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If a cube is 3 inches on each edge, what is it’s volume

FrozenT [24]

27 in³

the volume of a cube = (length of side )³ = 3³ = 27 in³

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2 years ago

Cassie has test grades of 62, 85 and 89 on the first three tests in herpre-algebra class. What are the possible scores she can m

Vsevolod [243]

Explanation:

The test grade for 1st three tests = 62, 85, 89

Let the fourth test score = x

The result we hoping to get is grade B.

Let's find the average of the four test score

$\text{Average = }\frac{Su\text{ m of all test score}}{nu\text{mber of test score}}$ $\begin{gathered} s\text{ um of test scores = 62 + 85 + 89 + x} \\ nu\text{mber of test score = 4} \\ \frac{\text{62 + 85 + 89 + x}}{4}=\text{ Average} \end{gathered}$ $\begin{gathered} A\text{ grade B represents atleast 80} \\ \text{Atleast represents }\ge \\ \frac{\text{62 + 85 + 89 + x}}{4}\text{ }\ge\text{ 80} \\ \frac{\text{236 + x}}{4}\text{ }\ge\text{ 80} \end{gathered}$ $\begin{gathered} \text{236 + x }\ge\text{ }80(4) \\ \text{236 + x }\ge\text{ }320 \\ \text{subtract }236\text{ from both sides:} \\ 236\text{ - 236 + x }\ge\text{ }320\text{ - 23}6 \\ x\text{ }\ge\text{ 84} \end{gathered}$

This means Cassie needs to score 84 or more to get a grade of B

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10 months ago

you have piano lessons every fourth day and guitar lessons every sixth day. Today you have both lessons. In how many days will y

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In twelve days four and six both go into 12

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2 years ago

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