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Brilliant_brown [7]
3 years ago
10

Two sides of an isosceles triangle

Mathematics
2 answers:
alexira [117]3 years ago
8 0
I’m going to say it’s A
lukranit [14]3 years ago
3 0

Answer

I think the awser is C.

Step-by-step explanation:

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Please answer quickly thanks :) good morning btw
Alisiya [41]

1. 1/9

2. 0

3. -9

4. -1

Reasoning: To get the opposite of a number just add a negative sign or take it away. This can be done to all numbers other than 0

8 0
3 years ago
A pilot flew a 400 mile flight in 2.5 hours flying into the wind. Flying the same rate and with the same wind speed the return t
eduard

Answer: 20 mph

Explanation:

Speed is a physical quantity which is equal to the ratio between the distance covered (d) and the time taken (t):

v=\frac{d}{t}

In the first part of the problem, the plane flew a distance of d=400 mi in a time of t=2.5 h. The speed of the plane in this case was the difference between the proper speed of the plane, v, and the speed of the wind, w, since the plane flew opposite to the wind. So we can write:

v-w=\frac{400mi}{2.5h}=160 mph (1)

During the return trip, the plane flew with a speed (v+w), since the wind was on the tail, and it took 2 hours to cover the same distance:

v+w=\frac{400 mi}{2 h}=200 mph (2)

So we have two equations with two unknown variables. From (1), we get

v=160+w

Substituting into eq.(2)

(160+w)+w=200\\160+2w=200\\2w=40\\w=20 mph

So, the speed of the wind was 20 mph.

3 0
3 years ago
Read 2 more answers
I have seen two answers for this and i want a third opinion, PlEaSe help me!!A man selling hotdogs, french fries, and a soda as
irina1246 [14]

Answer:

50 combos

Step-by-step explanation:

Put it into an equation first in order to find x.

2x + 250 = 7x

Subtract 2x from both sides.

250 = 5x

Then divide both sides by 5.

x = 50

Therefore you need 50 combo meals in order to make the amount made equal to the amount paid.

<u>You can check your work by plugging in the number to both.</u>

$250 plus the $2 times 50 combo meals.

250 + 2(50) = 350

$7 times 50 combo meals

7 x 300 = 350

8 0
3 years ago
Since Spring started, Kareem has been surveying the growth of leaves on his neighborhood trees. He goes out every day and comput
Otrada [13]

Answer:

y=1x-b is thou answer

4 0
3 years ago
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A water sprinkler sends water out in a circular pattern. How large is the watered area if the radius of the watering pattern is
Serhud [2]

Answer:

706.5 ft^2

Step-by-step explanation:

area = radius^2 (Pi)

15^2(3.14) = 706.5

5 0
3 years ago
Read 2 more answers
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