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OleMash [197]
3 years ago
14

Simplify: 3 [23 + (4 – 2)3 – (6 - 2)2] A. 3 B. 12 D. 24 E-3

Mathematics
1 answer:
diamong [38]3 years ago
4 0

Answer:63

Step-by-step explanation:

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SS
Tanzania [10]

Answer:

c = 160 - 3(45)

Step-by-step explanation:

if c = the number of characters left;

160 = maximum number of characters that can be used in a text

3*45 = number of characters in sentences already used. (There are 3 sentences of 45 characters.)

(# of char left) = (max # char) - (# char already used) so:

c = 160 - 3*(45)

c = 160 - 135

c = 25

8 0
3 years ago
Estimate the difference by rounding each number to the nearest half or whole.<br><br> 7 1/15 - 3 4/5
bearhunter [10]
7 1/15 to the nearest whole would be 7. 3 4/5 to the nearest whole would be 4.

7 – 4 = 3
3 0
3 years ago
Find the value of x.<br> 3x +7<br> D<br> 2x + 7<br> 3x 16
Mashcka [7]

Answer:

sum of interior angle of a triangle is 180 degree

so,

3x +7 + 2x+7 +3x+6 = 180

8x + 20 = 180

8x = 180 - 20

8x = 160

x = 160/ 8

x = 20

May it will help you

7 0
3 years ago
Read 2 more answers
8x + y = 17<br> 5x + 5y = –20
Diano4ka-milaya [45]

Answer:

X=3 Y=-7

Step-by-step explanation:

You can solve a system of equations a number of ways. Substitution makes the most sense in this case. Take the top equation and set it equal to y making it: y=17-8x

Then substitute y in the bottom equation for the y solved in the top. So,

5x + 5(17-8x) = -20

Then solve for x

x=3

Now that we know x, plug it back into the equation for y

y = 17 - 8(3)

y = -7

So your solution is (3, -7)

8 0
3 years ago
Read 2 more answers
Simplify the expression:<br> – 10x + – 4 – 8 + 7x
Ivan

Answer:

-3x-12

Step-by-step explanation:

-10x-4-8+7x

-3x-4-8

-3x-12

5 0
3 years ago
Read 2 more answers
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