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WINSTONCH [101]
3 years ago
6

Simplify the expression -2x(x+3) A: -x -6 B: -x + 6 C: -2x + 6 D: -2x - 6​

Mathematics
1 answer:
Leni [432]3 years ago
3 0

Answer:

D

Step-by-step explanation:

-2x(x+3)

-2x-6

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Which expressions are equivalent to 1/2+3c+4/5
Nitella [24]

The equivalent expression of 1/2 + 3c + 4/5 is \frac{13 + 15c}{10}

<h3 /><h3>How to determine the equivalent expression?</h3>

The expression is given as:

1/2 + 3c + 4/5

Take the LCM of the expression

\frac{5 + 15c + 8}{10}

Evaluate the like terms

\frac{13 + 15c}{10}

Hence, the equivalent expression of 1/2 + 3c + 4/5 is \frac{13 + 15c}{10}

Read more about equivalent expression at:

brainly.com/question/2972832

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3 0
2 years ago
Write each ratio as a sentence.
RUDIKE [14]
1. There are 2 dogs to every 1 cat.
2. There are 20 students for every 1 teacher.
3. There are 4 sugar cones to every 7 waffle cones.
7 0
3 years ago
Two points -5.2 and 4.8 are on a number line. What is the distance, to the nearest tenth, between these two points?
Cerrena [4.2K]
-5.2 -4.8= -10 thats your answer and it easy math.
3 0
3 years ago
X
Len [333]

9514 1404 393

Answer:

  E.  The new volume is 27 times the old volume

Step-by-step explanation:

If L, W, and H are the original length, width, and height, then the original volume is ...

  V = LWH

The volume after the scale factor is applied is ...

  V' = L'W'H' = (3L)(3W)(3H) = 27LWH = 27V

The new volume is 27 times the old volume.

3 0
3 years ago
Can someone help me with this question please and thank you
LenaWriter [7]

Answer:

The complete table will be:

x        y

1        5

0.8    4

0.4    2

Step-by-step explanation:

Given rule is:

y = 5x

In the given rule, x is multiplied by 5 to get the values of y. The same rule can be manipulated to find the value of x in terms of y.

\frac{y}{5} = \frac{5x}{5}\\x = \frac{y}{5}

Putting y = 5

x = \frac{y}{5}\\x = \frac{5}{5}\\x = 1

Putting y = 4

x = \frac{y}{5}\\x = \frac{4}{5}\\x = 0.8

Putting y = 2

x = \frac{2}{5}\\x = 0.4

Hence,

The complete table will be:

x        y

1        5

0.8    4

0.4    2

3 0
3 years ago
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