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wlad13 [49]
3 years ago
10

Solve the equation 9=8(n+4)-7

Mathematics
1 answer:
irga5000 [103]3 years ago
6 0

Answer:

n= -2

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ;)

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Please help with number 9 & 10
aniked [119]

Answer:

9. Triangle ABQ is congruent to Triangle BAP because of SAS congruency

10. x=5, y isn't shown anywhere

Step-by-step explanation:

9. The side AB is shared between the two triangles.

It is given that angle A and angle B are congruent.

It is given that AQ is congruent with BP.

Using these three, you can say that  Triangle ABQ is congruent to Triangle BAP because of SAS congruency.

10. 7x-4=31 (given)

x=5

Do the same thing with y.

7 0
4 years ago
In order to burn calories and lose weight, Vera is trying to incorporate more exercise into her busy schedule. She has several s
mel-nik [20]

Answer:each session of body sculpting workouts burns 51 calories.

Each session of Yoga workouts burns 83 calories.

Step-by-step explanation:

Let x represent the number of calories that she burnt doing one body sculpting workout session.

Let x represent the number of calories that she burnt doing one Yoga session.

Last week, she burned a total of 517 calories by doing 2 body sculpting workouts and 5 yoga sessions. This means that

2x + 5y = 517 - - - - - - - - - -1

This week, she has completed 2 body sculpting workouts and 1 yoga session and burned a total of 185 calories. This means that

2x + y = 185 - - - - - - - - - - - - 2

Subtracting equation 2 from equation 1, it becomes

4y = 332

y = 332/4 = 83 calories

Substituting y = 83 into equation 2, it becomes

2x + 83 = 185

2x = 185 - 83 = 102

x = 102/2 = 51 calories

8 0
4 years ago
WhTs What’s the perimeter
Akimi4 [234]
5- 108
6- 464
7- 126
4 0
3 years ago
Read 2 more answers
After 8/15 of an hour, Jane has completed painting 3/5 of the wall. At this rate, how much of the wall will she finish painting
LuckyWell [14K]

Answer:

Step-by-step explanation:

Find the unit rate for this painting:

 3/5 of wall surface            3/5              15            9

------------------------------- = --------------- * --------- = -----------

         (8/15) hour                 8/15             15             8

Jane could actually paint the whole wall plus 1/8 more of it in one hour.

5 0
3 years ago
Makani receives a weekly allowance for doing chores around the house. Makani saves his money for 13 weeks. After 13 weeks, he sa
steposvetlana [31]

Answer:

divide amount by number of weeks.

156/13 = 12

$12

4 0
3 years ago
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