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Artyom0805 [142]
2 years ago
7

Find x. (The picture has the info)

Mathematics
1 answer:
qwelly [4]2 years ago
7 0

Answer:

X=5

Step-by-step explanation:

3x+9 is twice of 12 (24). 24-9=15, and 3*5=15, so x=5.

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(-1)3 exponet is 3 help me please i dont want to fail
Natali5045456 [20]

Answer:

-1

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8 0
3 years ago
HOW CAN YOU WRITE 10/3 AS A DIVISION EXPRESSION AND AS A MIXED NUMBER?
Anni [7]

Answer: 10.3 would be a mixed number

Step-by-step explanation:

Divide 12 into 46. You get 3 with a remainder of 10. 3 is the whole number of the mixed number, 10 is the numerator of the fraction, and 12 is the denominator. The fraction can be reduced to 5/6.

5 0
3 years ago
A rectangular plot of land has an area 9/10 square mile.The length is 3/2miles whats the width
Georgia [21]
A = L * W
(9/10) = (3/2) * W
Divide both sides (3/2)
(9/10) / (3/2) = W
(9/10) * (2/3) = W
18/30 = W
6/10 = W
W = 3/5 mile
6 0
3 years ago
Read 2 more answers
Find the length and width of a rectangle.<br> Perimeter = 50<br> Side A = 3x + 2<br> Side B = x - 5
zmey [24]

Step-by-step explanation:

Perimeter = 2 * (Side A + Side B)

= 2 * (3x + 2 + x - 5)

= 2 * (4x - 3)

= 8x - 6.

We have 8x - 6 = 50, so 8x = 56 and x = 7.

Length of rectangle = 3(7) + 2 = 23.

Width of rectangle = (7) - 5 = 2.

4 0
3 years ago
Read 2 more answers
Which are counterexamples?<br> Look at the picture below. <br> Choose all that apply.
Flauer [41]

Answer:

x^4/(2x^6)

Explanation:

In the first example the division results in a radical, not a polynomial.

The remaining examples are not counter-examples (they do result in a polynomial)

8 0
3 years ago
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