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Andreas93 [3]
2 years ago
8

-9(z+8)=-9z-72 Llllllll

Mathematics
2 answers:
andrew-mc [135]2 years ago
7 0
Answer
-9z+72=-9z-72
-9z+9z=-72-72
-9z+-9z=154
0=154
marin [14]2 years ago
6 0

Answer:

true

-9(z+8)

-9*z +(-9)*8

-9z-72

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Find the first of three consecutive even integers if the sum of the first and second is 15 less than 3 times the third.
lilavasa [31]

Answer:

<em>First even integer: 6</em>

Step-by-step explanation:

<u>Inequalities</u>

Assume x is the first even integer. The next integer is x+2, and the last integer ix x+4.

The condition states that the sum of the first and the second number is 15 less than three times the third. This takes us to the inequality:

x+x+2

Operating:

2x+2

Subtracting 2 and 2x:

0

Simplifying:

0

Solving:

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There are infinitely many solutions. For example, for x=6 (first even number into the solution interval):

First integer: 6

Second integer: 8

Third integer: 10

There are other solutions, like 20,22,24 but the first set is 6,8,10.

4 0
3 years ago
Which expression is equivalent to (2^1/2x2^3/4)^2?
kkurt [141]
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</span><span> ((2^1/2)(2^3/4))^2
</span> ((2^1/2)^2)((2^3/4)^2)
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irina [24]
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7 0
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Mice21 [21]
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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