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Zarrin [17]
3 years ago
6

Simplify.

Mathematics
1 answer:
Sedbober [7]3 years ago
8 0

Answer:

x^2 + 7x- 3/x - 3/x^2 -16

Step-by-step explanation:

Key:  ( ^ ) means exponent

= x^2 + 2x- 3/x -2x^2 + 5x- 3/x^2 -16

= x^2 - 2x^2 + 2x+5x - 3/x- 3/x^2 -16

= x^2 - 2x^2 = -x^2

=  -x^2 + 2x + 5x- 3/x- 3/x^2-16

As you see you add 2x and the 5x and got 7x

= Answer : <u>x^2 + 7x- 3/x - 3/x^2 -16</u>

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Please help!
mariarad [96]

Answer: 1,045 passengers

Step-by-step explanation:

This question involves multiple steps. Let's first try to figure the number of children on the cruise.

The ratio of girls to the total number of children was 2:5. There are 198 boys.

This information tells me that for every 5 children, there's 2 girls and 3 boys.

Based off of this information, we can divide the total number of boys by 3 in order to find the number of children.

198÷3=66

Let's multiply 66 by 5 since that's the number of groupings based off the ratio.

66×5=330

Let's check the number of children. Since the ratio of girls to total children is 2:5 and we already confirmed there's 198 boys, there should be 132 girls. We can turn this ratio into a fraction where 2/5 of the children are girls. we can confirm this by multiply 330 by 2/5 (0.4) and getting 132.

There are 330 children on the cruise.

The ratio of the number of adults to the number of children was 13:6.

For every 6 children, there were 13 adults. Let's divide the number of children by 6 in order to find the number of groupings.

330÷6=55

Let's now multiply the groupings by 13 to find the number of adults.

55×13=715

So there should be 715 adults and 330 children on the cruise.

715+330=1,045

5 0
3 years ago
Are the two right triangles TRS and WUV congruent? If so, name the congruence postulate that applies. A. Congruent - SSS B. Cong
tresset_1 [31]
Is there a picture tagged along with it??
8 0
4 years ago
Help me please thanks
TiliK225 [7]
I think the answer should be $8.75.
4 0
3 years ago
Read 2 more answers
In the figure below, solve for the value of a. a = ______ in. (round to the nearest tenth and do NOT include units in your answe
GrogVix [38]

Answer:

6.9

Step-by-step explanation:

sinX=opposite/hypotenuse

sin35=a/12

a=12*0.57357643635

a=6.88291723621≈6.9

3 0
3 years ago
I need help on this question please
steposvetlana [31]
The answer to your question is A

Hope this helps :) 
6 0
3 years ago
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