3 years ago

Match each equation to the value of a that makes the equation true.

Mathematics

1 answer:

miskamm [114]3 years ago

7 0

Answer:

a=1

Step-by-step explanation:

2a + 3(a + 1) = 8

Distribute

2a +3a +3 = 8

Combine like terms

5a +3 =8

Subtract 3 from each side

5a+3-3=8-3

5a = 5

Divide by 5

5a/5 = 5/5

a=1

You might be interested in

Use the following function rule to find f(0). f(x)= -9 (3)^x f (0 ) =

AlladinOne [14]

Step-by-step explanation:

Substitute f(0) into the function:

$f(0) = - 9(3)^{0}$

Include exponent:

$f(0) = - 9(1)$

Multiply:

$f(0) = - 9$

7 0

2 years ago

Assuming the shapes are similar, find the value of the variable. PLEASE HELP

AysviL [449]

46534555 56677 gynhy

5 0

3 years ago

Solve for X I need help please

KiRa [710]

Answer:

Step-by-step explanation:

Angles EBC and EDC are the same. and straight lines equal 180

so now to solve for x

$180=134+10x+6\\180-134=134+10x+6-134\\46=10x+6\\46-6=10x+6-6\\40=10x\\40/10=10x/10\\4=x$

8 0

3 years ago

what is the area of a circle with radius of 7cm using 3.14 for pi and round to he nearest tenth plz hurry

Sophie [7]

Answer:153.9 cm

Step-by-step explanation:

The area of a circle is found by pi × radius squared and pi is aprox 3.14 so 3.15×7² = 153.86 then round off to the nearest tenth you get 153.9

5 0

3 years ago

Read 2 more answers

Sam’s basketball team won 70% of the games they played. How many games did they win?

maw [93]

Assuming it’s out of 100 it would 70 games they have won, but if it provides a number you will need to provide that for the correct answer.

7 0

3 years ago

Read 2 more answers