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3 years ago

PLEASE HELP! 20 POINTS FOR THIS !! !!!!

Mathematics

1 answer:

Mademuasel [1]3 years ago

3 0

Please help and I will help u

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What is three more than the product of a number and 7 equals 8 . use the variable x for the unknown number?

Anastaziya [24]

(7x) + 3 = 8
subtract both sides by 3.

7x = 5
divide both sides by 7 to isolate the variable, x.

x = 5/7

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3 years ago

A movie streaming service charges it’s customers $15 a month. Martina has $98 saved up. Will she have any money left over if she

lukranit [14]

Answer:

98 : 15 = 6 R 8

She can pay for six months 6*15 = $90 and she will have $8 left.

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3 years ago

12 Times 12 = 144 right?

REY [17]

Answer:

yes it is u are correct

Step-by-step explanation: plz mark brainliest

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3 years ago

The number of electoral votes each state is assigned is determined by the size of its population every ten years. The chart show

sattari [20]

Answer:

D. $Q_3=47$

Step-by-step explanation:

We have been given a table that represents the the number of electoral votes California was assigned each decade of the past century. We are asked to find the 3rd quartile of our given data.

The number of votes are: 9, 13, 13, 22, 25, 32, 40, 45, 47, 54, 55.

We will use upper quartile formula to solve our given problem.

$Q_3=\frac{3}{4}*(n+1)^{\text{th term}}$ , where, n represents the number of elements in the data set.

We can see that our data set has 11 data points, so upon substituting n=11 in above formula we will get,

$Q_3=\frac{3}{4}*(11+1)^{\text{th term}}$

$Q_3=\frac{3}{4}*(12)^{\text{th term}}$

$Q_3=3*3^{\text{th term}}$

$Q_3=9^{\text{th term}}$

Now let us count 9th term of our data set. Upon counting our data set from left to right we can see that 9th term of our data set is 47, therefore, 3rd quartile of our given data is 47 and option D is the correct choice.

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3 years ago

Read 2 more answers

Write an equation in slop intercept for of the line with the following:

Gnom [1K]

Answer:

y = -3/4x -5

Step-by-step explanation:

The slope always goes first, then variable x and the y intercept comes last

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2 years ago