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WINSTONCH [101]
3 years ago
15

If you answer both I will give Brainliest they have to be correct.Good luck

Mathematics
2 answers:
Charra [1.4K]3 years ago
8 0

Answer:

5) 2     7) 4

Step-by-step explanation:

3/5 x 25 = 15

15 - 1 = 14 / 7 = 2 = x

25     20

---  =  ----

40    7x+4

25 x 4/5 = 20

40 x 4/5 = 32

32 - 4 = 28 / 7 = 4 = x

svetlana [45]3 years ago
6 0

Answer:

3

Step-by-step explanation:

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Hello there!
jok3333 [9.3K]

Answer:

4. dy/dx = -2

8. dy/dx = 1/2 x^(-3/2)

10/ dy/dr = 4 pi r^2

Step-by-step explanation:

4.  y = -2x+7

dy/dx = -2(1)

dy/dx = -2

8.  y = 4 - x^-1/2

 dy/dx =  - (-1/2x^ (-1/2-1)

 dy/dx = 1/2 x^(-3/2)

10.  y = 4/3 pi r^3

dy/dr = 4/3 pi  (3r^2)

dy/dr = 4 pi r^2

7 0
3 years ago
PLZ HELP ASAP SOLVE SIMMILAR TRIANGLES (BASIC)
GuDViN [60]

<span>By similarity of triangles we have the following relationship:</span>

<span> (x) / (6) = (18) / (9)</span>

<span> Simplifying we have:</span>

<span> (x) / (6) = 2</span>

<span> Clearing the value of x we have:</span>

<span><span> x = 6 * 2</span></span>

<span><span> X = 12</span></span>

<span><span> Answer:</span></span>

<span><span> The value of x for this case is equal to:</span></span>

<span><span> <span>X = 12</span></span>
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5 0
4 years ago
Which of the sets of three dimensions could make a right triangle ​
hodyreva [135]

Answer:

B) 6, 8, 10

Step-by-step explanation:

All right triangles will follow the following theorem (Pythagorean theorem):

a^2+b^2=c^2, where a and b are two legs of the triangle and c is the hypotenuse. Out of all answer choices, only B) 6, 8, 10 follow this theorem.

4 0
2 years ago
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Please help me answer this
defon

Answer:

It looks like the third one, C

Step-by-step explanation:

Every time c increases by 1, d increases by 2

That means the slope will be 1/2

That means the slope is positive

Which means that there can only be one answer, C

6 0
3 years ago
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Ten out of every 32 people
SVETLANKA909090 [29]

Answer: 0.3125% play among us

Step-by-step explanation:

<em>If you take the number of people who play among us </em>(10) <em>and divide it by the number of people surveyed </em>(32)

<em>10/32</em>

<em>You will get </em><u><em>0.3125%</em></u>

<u><em /></u>

4 0
3 years ago
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