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Step2247 [10]
3 years ago
9

Solve for a. 7a + 18 = 102 a =

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer:

a=12

Step-by-step explanation:

7a+18=102

first, subtract 18 FROM BOTH SIDES!

then you get 7a=84.

next, divide BOTH SIDES by 7

and you get a =12 :)

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F(x) =2/3x+3<br> what is the value of f(12)
nataly862011 [7]

Answer:

Step-by-step explanation:

f(x) = 2/3 x + 3

This has the meaning that whatever you see in the backets on the left, you put in the x on the right.

f(12) = 2/3 (12) +3

2/3 12 = 4  * 2 = 8

f(12) = 8 + 3

f(12) = 11

3 0
2 years ago
Ethanhunt only answer pls don't answer just don't if u not ethanhunt don't bother pls don't
gulaghasi [49]
1) Southwest part of 2nd & 4th street = 130 [ vertically opposite of Corresponding so will be equal.

2) Southeast part of 2nd & 4th street = 190 - 130 = 50 [ supplementary with previous one ]

3) Northwest part of 2nd & 4th street = 50 [ Vertically opposite of 2nd one ]

4) Northeast part of 2nd & 4th street = 130 [ Corresponding angles ]

[ Final Answers are in bold ]

Hope this helps!
6 0
3 years ago
Read 2 more answers
Determine the difference: 3.2 × 1010 – 1.1 × 1011 Write your answer in scientific notation.
tekilochka [14]

Answer:

-7.8*10^{10}

Step-by-step explanation:

we have

3.2*10^{10} -1.1*10^{11}

we know that

3.2*10^{10}=0.32*10^{11}

substitute

0.32*10^{11} -1.1*10^{11}=-0.78*10^{11}=-7.8*10^{10}

4 0
2 years ago
If n = 5.3 cm and p = 6.25 cm, what is the measure of angle ?
vladimir1956 [14]

Answer:

Hope this helps can I get brainliest I need to rank up :))))

Step-by-step explanation:

32° ... If he is standing 15 feet from the base of the pole, about how tall is the.

8 0
3 years ago
Read 2 more answers
How many times does 2 go into 400
bogdanovich [222]
2 goes into 400, that is \frac{400:2}{2:2} =  \frac{200}{1},

However, 2 goes into 400,  200 times.
4 0
3 years ago
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