3 years ago

HELP giving brainlest and extra points!!

Mathematics

2 answers:

Vilka [71]3 years ago

4 0

-4 is the missing number

azamat3 years ago

4 0

Answer:

32x? I'm so sorry if i'm wrong.

Step-by-step explanation:

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Simplify the following expression (30/45g+20)-(8/9g+7)

amid [387]

The answer is: $13-\frac{2}{9}g$

The explanation is shown below:

1- You have the following expression given in the exercise:

$(\frac{30}{45}g+20)-(\frac{8}{9}g+7)$

2- When you multiply signs, you obtain:

$\frac{30}{45}g+20-\frac{8}{9}g-7$

3. Now, you must add like terms, as following:

$-\frac{2}{9}g+13$

4. Therefore, you have that the expression simplified is:

$13-\frac{2}{9}g$

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3 years ago

On a skiing trip there are five people but only three pairs of skis how many different groups of three could ski

____ [38]

10 different groups can ski.

This is a combination of 5 items taken 3 at a time:
$_5C_3=\frac{5!}{3!(5-3)!}=\frac{5!}{3!2!}=\frac{120}{12}=10$

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3 years ago

The point (2,-5) is reflected over the y-axis. Which of the following points is the image?

docker41 [41]

2,5 would be the answer

7 0

3 years ago

Twelve friends share 4 pizzas equally what.fraction of a pizza does each friend get?

Sav [38]

1/4 .....divide the pizza by 4 ...so you get 1/4 ...taken by each friend !

4 0

3 years ago

Read 2 more answers

4x + 4y = -8<br> -22 – 2y = 4

Natalka [10]

Answer:

1) 4x + 4y = -8

x=-2-y

y=-2-x

2) 22 – 2y = 4

y=9

Step-by-step explanation:

8 0

2 years ago