3 years ago

HELP PLEASE, I don't know what I am doing...

Mathematics

1 answer:

kari74 [83]3 years ago

5 0

I can only jelp u with the first one i think it's going to be 7 because 7*2= 14

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• PQ²+PR²=QR² • PQ²+QR²=PR² • PR²- PQ²=QR² • PR²- QR²=PQ²

den301095 [7]

Answer:

Option A

${pq}^{2} + {pr}^{2} = {qr}^{2}$

Step-by-step explanation:

This is because here,

PQ is the Height of the right triangle.

QR is the Base of the right triangle.

PR is the Hypotenuse of the right triangle.

So, as according to Pythagoras Theorem,

${base}^{2} + {height}^{2} = {hypotenuse}^{2}$

Also,

${pq}^{2} + {qr}^{2} = {pr}^{2}$

Not,

${pq}^{2} + {pr}^{2} = {qr}^{2}$

Hence, Option A is not correct.

5 0

3 years ago

I need to know a equivalent fraction for number 7

AlekseyPX

9/10 is equivalent to 90/100 and the answer under mine or above or the other answer should be reported. They got points for a question they did not answer correctly.

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3 years ago

52 POINTS. ⦁ Solve for x

pentagon [3]

Answer:

x = - 2.5

Step-by-step explanation:

$3^{4x - 5}=(1/27)^{2x + 10}$
$3^{4x - 5}=(1/3^3)^{2x + 10}$
$3^{4x - 5}=(3^{-3})^{2x + 10}$
$3^{4x - 5}=3^{-3*(2x + 10)}$
4x - 5 = - 3*(2x + 10)
4x - 5 = - 6x - 30
4x + 6x = 5 - 30
10x = - 25
x = - 2.5

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3 years ago

A random number generator is used to create a list of 300 single digit numbers. Of those 300 numbers, 146 are odd and 154 are ev

mario62 [17]

0.44<<< vitamin CCC^<>^<>^<>

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3 years ago

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The length of the base of a triangle is 8.5 cm, and its height is 5.4 cm. if the area of the triangle is half of the product of

lawyer [7]

Area = 1/2bh = 1/2 x 8.5 x 5.4 = 22.95 squared centimeter

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3 years ago