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masha68 [24]
2 years ago
11

7 times the sum of a number and 4 is the same as 8 decreased by 3 times a number

Mathematics
1 answer:
Likurg_2 [28]2 years ago
5 0

Answer:

7x+4= 8-3x

Step-by-step explanation:

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Somebody help plz i need some I’m dying inside help?
Schach [20]

Answer:

1/3

Step-by-step explanation:

slope is just change in y over change in x

on a graph this can be found by counting the change in units

look at the point at (-3,0)

find the change in y by starting at that point and counting up or down until you reach another point.

the next point (-4,-3) is three units down (change of -3)

now go back to the first point and count left or right until you reach the other point to get change of x

the other point is one unit left (change of -1)

change of y over change of x = -1/-3=1/3

6 0
3 years ago
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Please help, it’s urgent !
g100num [7]

Answer:

f(-10) = 2 times -10 + 1

= -19

f(2) = 2^2

= 4

f(-5) = 2 times -5 + 1

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Step-by-step explanation:

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3 years ago
Evaluate and simplify the following complex fraction
Arisa [49]

Answer:

-0.01851851851

Step-by-step explanation:

5 0
3 years ago
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John Walters is comparing the cost of credit to the cash price of an item. If John makes a down payment of $160 and pays $35 a m
GREYUIT [131]

Answer:

The amount is $275 more that the cash price of $725.

Step-by-step explanation:

It is given that John makes a down payment of $160 and pays $35 a month for 24 months.

Down payment = $160

Total amount of installments = $35 × 24 = $840

Total amount of product = Down payment + Total amount of installments

Total amount of product = $160 + $840 = $1000

Cash price = $725

Difference between credit and cash price is

Difference = $1000 - $725 = $275

Therefore the amount is $275 more that the cash price of $725.

8 0
3 years ago
A zoo has 151515 Emperor penguins. The Emperor penguins make up 30\%30%30, percent of all the penguins at the zoo.
Fiesta28 [93]

Answer:

50 total penguins

Step-by-step explanation:

In the following example x = the total number of penguins.

Set it up as follows.

15 over x = 30 over 100

Cross multiply the numbers. (30 times x) and (15 times 100)

This results in 30x = 1500.

Divide both sides by 30 which results in x = 50.

This means that there is a total of 50 penguins.

In the following example x = the number of Emperor penguins.

If you would like to double check this, set up as follows.

x over 50 = 30 over 100

Cross multiply the numbers. (30 times 50) (100 times x)

This results in 100x = 1500.

Divide both sides by 100 which results in x =1 5.

This means that there are 15 Emperor penguins.

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