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2 years ago

What is ST? S 30 V Q 17 T 19 R 5 ST=

Mathematics

1 answer:

Stella [2.4K]2 years ago

5 0

Step-by-step explanation:

PQR=STV

angPQR=angSTV

angPRQ=angSVQ

Both triangle are similar by AA test

therefore,

PQ/ST=QR/TV

30/ST=36/24

ST=36*30/24

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5+8 to the power of -2 x2-

vagabundo [1.1K]

5+8=13
-2x-2 = 4
13 to the fourth power = 13x13x13x13 =28561
28561 is your answer

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4 years ago

Mary is twice Jack’s age. If the sum of their ages increased by 7 the result is 34, how old is Jack?

Paladinen [302]

Answer:

i believe jack will be 13

Step-by-step explanation:

13 times 2 will be 27 plus 7 equals 34

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4 years ago

Two asteroids are 1000 km apart and are heading straight for each other. One asteroid is travelling at 59 km per second and the

Nataliya [291]

Answer:

10 seconds.

Step-by-step explanation:

The velocity at which they are approaching each other = 59 + 41 = 1000 km per second.

Velocity = distance / time

So time = distance / velocity

= 1000 / 100

= 10 seconds.

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3 years ago

Which equation is the inverse of y = 7x2 – 10?

Andreyy89

Answer:

y=4

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Which of the following relation is correct

o-na [289]

Answer:

Both the equation and its inverse are functions.

Step-by-step explanation:

In order to solve this problem lets first find the inverse of this function. This is done below:

$y = x^2 + 8\\$

We first swap x and y.

$x = y^2 + 8$

We now isolate y.

$y^2 = x - 8\\y = \sqrt{x - 8}\\f^{-1}(x) = \sqrt{x - 8}$

Functions are relations between two groups of numbers, in such a way that one number on the input group must generate a singular answer from the output group. This holds true for both f(x) and its inverse, therefore both are functions.

7 0

4 years ago