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mixer [17]
3 years ago
11

Each test contains 20 questions. In average, it takes a person to take each test 40 minutes. If I was to get stuck in one out of

5 questions for an additional 2 minutes. How long will it take me to complete 3 of the tests?
Mathematics
1 answer:
kondor19780726 [428]3 years ago
4 0

I think the answer is 144 minutes

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I got more points plz help!
jeka94
B is the correct answer.
3 0
3 years ago
Read 2 more answers
2x+2y=8<br> X+y=4<br> Which statement is true about the solution
laila [671]
Both x and y equal 2.

2•2=4 + 2•2=4

4+4=8

2+2=4
6 0
3 years ago
Find the value of x.
Tresset [83]

Answer:

In the first problem, the value of x is 13.85

Step-by-step explanation:

To find this, we can use the Pythagorean Theorem. This allows us to use the length of the legs (a and b) to determine the length of the hypotenuse (c) .

a^2 + b^2 = c^2

5.3^2 + 12.8^2 = c^2

28.09 + 163.84 = c^2

191.93 = c^2

13.85 = c

4 0
3 years ago
The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7. How much would a person who weighs 150 pounds on Ear
yuradex [85]
5/7 = 150/x
5x = 1050
x = 1050/5
x = 210 lbs <===
3 0
3 years ago
Read 2 more answers
a 50 ft pole has a support wire that runs from its top to the ground with an angle of depression of 75°. How far from the base o
lukranit [14]
The height of the pole is the vertical leg of the right triangle. The angle of depression is an exterior angle to the triangle at its upper angle. The angle of depression is complementary to the interior angle, so the measure of the interior angle is 15. The base angles are 90 and 75. Use the tangent ratio now, using the base angle of 75 and the height of the pole being 50: tan75=50/x.
Make sure your calculator is in degree mode to do this and get that x = 13.4
4 0
3 years ago
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