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2 years ago

12

8x - 12 = 15x - 4x

2 answers:

S_A_V [24]2 years ago

7 0

Answer: Isolate the variable by dividing each side by factors that don't contain the variable. x=−4

Step

Alexxx [7]2 years ago

6 0

Answer:

x= -4

Step-by-step explanation:

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All of the members of the harvey family are very

vivado [14]

Answer:

77 "

Step-by-step explanation:

'mean' is the average of all of the heights

( 84 + 84 + 77 + 63 + 70 + 70 + x) / 7 = 75

x = 77

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1 year ago

The county property tax rate is 6%. You own a house valued at 128,000. How much property tax would you owe each year?

Romashka-Z-Leto [24]

Answer:

7680

Step-by-step explanation:

128,000 x .06= 7680

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2 years ago

Four times a number, added to the sum of the number and three

BlackZzzverrR [31]

Answer:

Yup! Great Job!

Step-by-step explanation:

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2 years ago

A jar contains n nickels and d dimes there are 30 coins in the jar and the total value of the coins is $2.10 Set up and solve a

Gekata [30.6K]

Answer:

12 dimes and 18 nickels

Step-by-step explanation:

Equations given by word problem:

n + d = 30

0.05n + 0.1d= 2.10

How I solved them:

d= 30 - n

0.05n + 0.1(30 - n)= 2.10

0.05n + 3 - 0.1n= 2.10

-0.05n= -.09

Divide both sides by -0.05

n= 18

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d= 12

8 0

3 years ago

Read 2 more answers

Is 3x+2x=3 a function

trasher [3.6K]

Yes this is a function

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2 years ago