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MaRussiya [10]
3 years ago
15

how to change the following indicated sums to indicated products as in the preceding model: 5 • 20 + 5 • 3

Mathematics
1 answer:
Nesterboy [21]3 years ago
5 0
We can factorize the equation given:
<span>5 • 20 + 5 • 3
= 5(20 + 3)
= 5(23)
= 115</span>
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Find pb, if pj=14 and jb= 28
anyanavicka [17]

Answer:

42

Step-by-step explanation:

Based on the information given, point j is the midpoint, as it is shared by both line segments. Set the equation:

pb = pj + jb

Note:

pj = 14

jb = 28

Plug in the corresponding numbers to the corresponding variables:

pb = pj + jb

pb = 14 + 28

pb = 42

pb = 42 is your answer.

~

3 0
3 years ago
Read 2 more answers
Solve the problem. Round the point estimate to the nearest thousandth. Find the point estimate of the proportion of people who w
Blababa [14]

Answer:

b. 0.055

Step-by-step explanation:

The point estimate of the proportion of people who wear hearing aids is

The number of people in the sample who wear hearing aids divided by the total number of people in the sample.

In this problem, we have that:

Sample of 855.

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47/855 = 0.0549

Rounding up

0.055

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b. 0.055

4 0
3 years ago
I need helllpppp<br> ppllsssss
Alina [70]

Answer:

C

Step-by-step explanation:

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8 0
3 years ago
What is an algebraic expression for ​"41 more than y ​"?
iren2701 [21]
All you have to do is add the number to the variable you need to. It works the same for subtraction instead you will put y-14 or any variable and number that is needed to subtract from it and remember when they say a number more than a variable it is + that number if they say a number less than a variable it is - that number .


y+14
6 0
3 years ago
Can anyone help me solve this question
Law Incorporation [45]

Answer:

(6, 3 )

Step-by-step explanation:

Given the 2 equations

5x - y = 27 → (1)

5x + 4y = 42 → (2)

Multiplying (1) by - 1 and adding to (2) will eliminate the x- term, that is

- 5x + y = - 27 → (3)

Add (2) and (3) term by term to eliminate the x- term

5y = 15 ( divide both sides by 5 )

y = 3

Substitute y = 3 into either of the 2 equations and solve for x

Substituting into (2)

5x + 4(3) = 42

5x + 12 = 42 ( subtract 12 from both sides )

5x = 30 ( divide both sides by 5 )

x = 6

Solution is (6, 3 )

6 0
3 years ago
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