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4 years ago

URGENT!!!!!

Mathematics

2 answers:

Zarrin [17]4 years ago

8 0

8 it is 8 OK hope I helped

Naddika [18.5K]4 years ago

4 0

If one leg is 8 then the other is 8 and the hypotenuse would be 8√2
because when you have a 45-45-90 triangle both legs have the same length and the hypotenuse is the same number but with a √2.

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Solve the system of equations. x + 3y = −1 2x + 2y = 6

mihalych1998 [28]

1x+ 3y = -12x + 2y = 6
+12x +12x
13x + 3y = 2y = 6
+3y +3y
13x = 5y = 6
13x = 5y and 5y = 6

5 0

4 years ago

Which of the following numbers is not part of the solution to x ≤ -2?

podryga [215]

Answer:

-1.76

Step-by-step explanation:

Since it is in the negatives, the higher the number it is, such as -8, will be less than -2

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3 years ago

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Step-by-step explanation:

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6 0

3 years ago

Given 5 blue marbles, 3 red marbles and 2 white marbles. Find the probability of choosing a red marble given that its not white

Maslowich

Answer:

The chances you will get a red marble over a white or blue marble is 30%

Step-by-step explanation:

If you add 5 + 3 + 2 you will get 10

You then turn it into a fraction

3/10 is the chance you will get a red over a blue or white, now we need to convert it into a percentage by turning to 10 into 100 and multiplying 3 x 10

Once you have done that you should have 30/100

Take the 100 away and turn it into a percentage

The answer would be 30%

6 0

3 years ago

What is the area of a 30 degree sector of a circle with area 96 pi meters ^2?

iren2701 [21]

$\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=96\pi 
\end{cases}\implies 96\pi =\pi r^2
\\\\\\
\cfrac{96\underline{\pi }}{\underline{\pi }}=r^2\implies 96=r^2\implies \boxed{\sqrt{96}=r}\\\\
-------------------------------$

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta \pi r^2}{360}~~
\begin{cases}
r=radius\\
\theta = angle~in\\
\qquad degrees\\
------\\
\theta =30\\
r=\boxed{\sqrt{96}}
\end{cases}\implies A=\cfrac{(30)(\pi )(\sqrt{96})^2}{360}
\\\\\\
A=\cfrac{(30)(\pi )(96)}{360}\implies A=8\pi$

4 0

4 years ago