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gayaneshka [121]
3 years ago
15

X(8 + 2) + 3 = 2(5 + x) + 5(x + 1) − 6 A) −4 B) −2 C) 2 D) 4

Mathematics
1 answer:
gavmur [86]3 years ago
3 0
x(8+2)+3=2(5+x)+5(x+1)-6\\\\10x+3=10+2x+5x+5\\\\10x+3=7x+15\ \ \ |-3\\\\10x=7x+12\ \ \ |-7x\\\\3x=12\ \ \ \ |:3\\\\x=4

Answer: D) 4
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7, 14, and 21. What are the next three multiples?
Sergeu [11.5K]
7,14,21,28,35,42 ......................
6 0
4 years ago
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The diagram shows a cube with sides of length 8 meters. A smaller cube with
Tanya [424]

Answer:

a) 512 cm^3

b) 469.125 cm^3

Step-by-step explanation:

8*8*8 = 512 cm^3

or

8^3 = 512 cm^3

3.5^3 = 42.875

512 - 42.875 = 469.125 cm^3

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5 0
3 years ago
How much is 1/9 of 3/8 (in lowest terms)?<br> A)4/17<br> B)03/17<br> C)1/36<br> D)1/24
mojhsa [17]

Answer:

1/24

Step-by-step explanation:

multiply 1/9 and 3/8. The product of the two factors is 3/ 72. Seeing the two factors on the other hand, we can cancel out 3. Hence the final answer to this problem in lowest terms becomes 1/24.

8 0
2 years ago
Two-thirds a number plus 4 is 7
ICE Princess25 [194]

The equation (form) is: \frac{2}{3}x + 4 = 7

The solution of the equation is: x = \frac{9}{2}


Explanation:

First, let's call the number we are going to solve for "x".

Then two thirds of this number can be written as:

\frac{2}{3}x

Then "plus 4" means add 4 we get:

\frac{2}{3}x + 4

"is 7" means that the above expression is equal to 7 (as follows):

\frac{2}{3}x + 4 = 7

The solution of the above equation is:

\frac{2}{3}x + 4 = 7 \\ \frac{2}{3}x = 3 \\ x =  \frac{9}{2}

6 0
3 years ago
Find the product.
dlinn [17]
The correct answer of the given expression above would be the last option. We just solved this using the distributive property.
So: <span>(a - 3)(a - 5)
a^2 -3a -5a + 15
a^2 -8a + 15
Hope this is the answer that you are looking for. Have a great day!</span>
4 0
3 years ago
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