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velikii [3]
3 years ago
9

Which of the following is equal to 4/7 - 4/7 . 0 . 1 . Undefined . 1/7

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

0 is the answer

Step-by-step explanation:

4-4=0

7-7=0

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Expand and simplify 2/5(p+15)-1/3(9+6p)+4/5p
Pavlova-9 [17]
2/5p+6-3-2p+4/5p
-2p+6/5p+6-3+4
-10/5p+6/5p+3+4
-4/5p+7
-0.8p+7

7 0
3 years ago
If f(x) = 2(x − 5), find f(8).
Dafna11 [192]

Answer:

The answer is eight.

Step-by-step explanation:

We know that x is eight. That means we can plug eight in for x. If we do that we get 2^8-5. 8-5 is three, so our problem becomes 2^3, which is 8.

4 0
3 years ago
What is the length of QR?
Elena L [17]

Answer:

C

Step-by-step explanation:

Since the triangle is right with hypotenuse QR

Use Pythagoras' identity to solve for QR

The square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

QR² = 8² + (8\sqrt{3} )²

       = 64 + 192

       = 256 ( take the square root of both sides )

QR = \sqrt{256} = 16

7 0
3 years ago
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Alex777 [14]

Answer:

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5 0
3 years ago
Read 2 more answers
Consider angle θ in Quadrant II, where sinθ = 4/5 . What is the value of cosθ?
Kay [80]

Answer:

3/5

Step-by-step explanation:

sin theta=opposite/hypotenuse

4/5=opposite/hypotenuse

therefore opposite=4 and hypotenuse=5

for adjacent

using pythagoras theorem

a^2+b^2=c^2

opposite^2 + adjacent^2 =hypotenuse^2

4^2 + adjacent^2 =5^2

16 + adjacent^2 =25

adjacent^2 =25-16

adjacent =\sqrt{9

adjacent=3

cos theta=adjacent/hypotenuse

=3/5

therefore the value of cos theta is 3/5

8 0
3 years ago
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