Pls answer!! I’ll mark you brainlist if it’s correct!

Mathematics

1 answer:

alex41 [277]3 years ago

6 0

Answer:

140 - 6(8)

140-48

140-48= 92

92 is your final answer.

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3pq(2p-4q)=<br><br>Ans?<br><br>Help.

Blizzard [7]

Step-by-step explanation:

Given

3pq (2p - 4q)

= 6p²q - 12pq²

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8 0

3 years ago

Read 2 more answers

If 2 pounds of bananas cost $1.89, what is the cost per pound? Show your work

OLEGan [10]

You can set up an expression where p = the pounds of bananas.
With that information, 2p =$1.89
To figure out the cost per pound, you want the cost of 1 p. Therefore, you divide both sides by 2.
p = $1.89/2
p = $0.945
(since it is money you normally round to two decimal places so you would say $0.95 or 95 cents)

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3 years ago

Can someone please help

Vinil7 [7]

Solving the given equation, the value of v that makes the statement true is:

A. v = 8.

<h3>What is the given equation?</h3>

The equation is:

$12 = 12 + \frac{v - 8}{2}$

Hence:

$\frac{v - 8}{2} = 0$

Applying cross multiplication:

v - 8 = 0

v = 8.

Hence option A is correct.

More can be learned about equations at brainly.com/question/27882730

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2 years ago

The brand manager for a brand toothpaste must plan a campaign designed to increase brand recognition. He wants to first determin

bulgar [2K]

We need to find out how many adults must the brand manager survey in order to be 90% confident that his estimate is within five percentage points of the true population percentage.

From the given data we know that our confidence level is 90%. From Standard Normal Table we know that the critical level at 90% confidence level is 1.645. In other words, $Z_{Critical}=1.645$ .

We also know that E=5% or E=0.05

Also, since, $\hat{p}$ is not given, we will assume that $\hat{p}$ =0.5. This is because, the formula that we use will have $\hat{p}(1-\hat{p})$ in the expression and that will be maximum only when $\hat{p}$ =0.5. (For any other value of $\hat{p}$ , we will get a value less than 0.25. For example if, $\hat{p}$ is 0.4, then $1-\hat{p}=0.6$ and thus, $\hat{p}(1-\hat{p})=0.24$ .).