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irina1246 [14]
3 years ago
12

Ayer

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

13 (A)

Step-by-step explanation:

take 38 and subtract 15, that leaves you with 13

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Complete the even numbers
JulsSmile [24]

Answer: change in y over Change in x(slope)

2. 3/3 or 1

4. 5/4

6.4/5

8.1/4

10.-2/-3

12.1/-3

14.-9/9 or -1

5 0
3 years ago
Chris can be paid in one of two ways. Plan A is a salary of ​$310 per​ month, plus a commission of ​%7 of sales. Plan B is a sal
melisa1 [442]

Answer:

Plan A is a salary of ​$360 per​ month, plus a commission of 8​% of sales. Plan B is a salary of ​$740 per​ month, plus a commission of 3​% of sales.

Step-by-step explanation:

3 0
3 years ago
Solve the equation and write a reason for each step 4x+9=-3x+2
postnew [5]

Answer:

-1

Step-by-step explanation:

4x+9=-3x+2

=> 7x=-7 move all x to left side and numbers to right side by changing + to - or - to +

x=-1

7 0
3 years ago
Read 2 more answers
Celina can walk 4 miles in 1 hour and can run 8 miles in 1 hour. What percent of Celina’s average running speed is her average w
Valentin [98]
Okay. So, we're looking for the percentage of Celina's running speed as her walking speed. Her running sped is 8 mph and her walking speed is 4mph. All we have to do is 4/8 = x/100. You put change/original and x/100, because we're looking for the percent of change from running speed to walking speed.  Cross multiply the values to get 400 = 8x. Divide each side by 8 to isolate the "x". 400/8 is 50. x = 50. Celina's walking speed is 50% of her running speed. The answer is B: 50%.
5 0
4 years ago
In triangle ABC the measure of angle A is 2x +3, the measure of angle B is 4x+2, and the measure of angle C is 2x-1. What are th
Irina18 [472]

Answer:

see explanation

Step-by-step explanation:

the sum of the 3 angles in a triangle = 180°

Summing the 3 angles and equating to 180 gives

2x + 3 + 4x + 2 + 2x - 1 = 180

8x + 4 = 180 ( subtract 4 from both sides )

8x = 176 ( divide both sides by 8 )

x = 22

∠A = 2x + 3 = (2 × 22) + 3 = 44 + 3 = 47°

∠B = 4x + 2 = (4 × 22) + 2 = 88 + 2 = 90°

∠C = 2x - 1 = (2 × 22) - 1 = 44 - 1 = 43°


7 0
3 years ago
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