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tankabanditka [31]
4 years ago
9

Need help with both of them !

Mathematics
1 answer:
vovangra [49]4 years ago
6 0
After calculating for ten minutes, I got 1. B and 2. D
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Does anyone know how to do this?
sineoko [7]

Answer:

\boxed{\tt x=\sqrt{85} }

Step-by-step explanation:

When making a right triangle with 2 points, the distance is the hypotenuse which can be represent as "x"

To find the distance we can use the Pythagorean theorem.

\boxed{{\tt a^2+b^2=c^2}}

→ \tt a=9

→ \tt b=2

→ \tt c=x

<u>Let's Plug in the side lengths:</u>

  • \tt 9^2+2^2=x^2

<u>Evaluate 9²= </u><u>81</u><u> and 2²= </u><u>4</u><u>:</u>

  • \tt 81+4=x^2

<u>Now, add 81+4= 85</u>

  • \tt 85=x^2

<u>Take the square root of both sides:</u>

  • \tt x=\sqrt{85}

_____________________________

5 0
3 years ago
The dictionary is 3 inches thick. What is the volume of the dictionary
Yuki888 [10]

Answer:

Square shaped = 27 cubic inches , Rectangular shaped = 3LW cubic Inches

Step-by-step explanation:

If the dictionary is a square ( all sides are equal ) the the volume is

      V = Length * Length * Length = L^{3}

      V = 3 * 3 * 3 = 27 inch^{3}

while if its rectangular ( all side are not equal ) shaped

      V = Length * Width * Height (thickness)

      V = L * W * 3 = 3LW inch^{3}

5 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
amm1812

0.78

hope this helps, good luck! :)

5 0
3 years ago
Read 2 more answers
PLEEASE HELP!!!! I WILL GIVE BRAINLIEST!!!!!
Vika [28.1K]

Answer:

7

Step-by-step explanation:

Set up an equation using slope intercept form.

y = mx + b

75 = 8x + 15

Solve.

75 = 8x + 15

-15          -15

60 = 8x

7.5

Round down as it is dealing with money and he would not have enough to purchase an 8th grocery.

7 is the final answer.

Hope this helps!

3 0
2 years ago
Read 2 more answers
8/9=x+1/3(7) how to solve
balandron [24]
8/9 = x + 1/3 (7)
8/9 = x + 7/3
8/9 - 7/3 = x
x = 8/9 - 21/3
x = -13/3
x = -4 and 1/3

Answer: -4 and 1/3
3 0
4 years ago
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