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Mekhanik [1.2K]
3 years ago
15

12x + 3(x - 4) + 2x * Your answer

Mathematics
1 answer:
AleksandrR [38]3 years ago
8 0

Step-by-step explanation:

12x + 3(x - 4) + 2x

17x-12

HOPE IT HELPS U

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Please help me its due in 3 minutes please no links I just need the answer please.
djyliett [7]

Answer:

The answer is .9.

Step-by-step explanation:

Steps Ex. 1 Ex. 2

Round a number to the nearest tenth 3.14 .883

Find the hundredths' place. 3.14 .883

Less than 5, round the tenth down. 3.1

If it is 5 or more, round the tenth up.  .9

That is your explanation. The answer is .9

6 0
2 years ago
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Can you please help with 19&23? 19 says write an expression to represent the perimeter. Thanks!
Valentin [98]

the perimeter is simply the sum of all its sides.

(6a+8)+(12a)+(6a+8)+(10a-4)

34a + 16 - 4

34a + 12.

7 0
3 years ago
What is the correct answer for evaluate the expression 12 to 2nd power​
Leya [2.2K]

Answer:

144

Step-by-step explanation:

3 0
3 years ago
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What number comes next in this pattern 2,4,8,16,32
exis [7]
2+2 = 4
4+4 =8
8+8 = 16
16+16 = 32
32+32 = 64
and so on :)

5 0
3 years ago
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Gabby received change worth $2.10. She received 3 more dimes than nickels and 4 less quarters than nickels. How many of each kin
xz_007 [3.2K]

Answer:

Gabby received

7 nickels

10 dimes

3 quarters

Step-by-step explanation:

Let

x----> the number of dimes

y----> the number of nickels

z---> the number of quarters

Remember that

1 dime=$0.10

1 nickel=$0.05

1 quarter=$0.25

we know that

0.10x+0.05y+0.25z=2.10 ------> equation A

x=y+3-----> equation B

z=y-4 -----> equation C

substitute equation B and equation C in equation A and solve for y

0.10(y+3)+0.05y+0.25(y-4)=2.10

0.10y+0.30+0.05y+0.25y-1=2.10

0.40y=2.10-0.30+1

0.40y=2.80

y=7 nickels

<em>Find the value of x</em>

x=y+3 -----> x=7+3=10 dimes

<em>Find the value of z</em>

z=y-4 -----> z=7-4=3 quarters

therefore

Gabby received

7 nickels

10 dimes

3 quarters

6 0
3 years ago
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