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3 years ago

PLEASE HELP WILL GIVE BRANLIEST pythagorean theorem

Mathematics

1 answer:

nikklg [1K]3 years ago

5 0

Answer:

It is easy...

replace the value...

like 1st. ..

$3^{2} + 4^{2} = {5}^{2} \\ or \: 9 + 16 = 25 \\or \: 25 = 25 \\ proved$

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A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The following data represent the strengt

ss7ja [257]

Answer:

Mean = 3640

Mode = 4100

Median = 3830.

Step-by-step explanation:

We are given the following data in the question:

Strength of casts (in psi):

3970,4100,3100,3200,2950,3830,4100,4050,3460

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observation}}{\text{Total number of observations}}$

$\displaystyle\frac{3970+4100+3100+ 3200+ 2950+ 3830+4100+ 4050+ 3460}{9} = \displaystyle\frac{32760} {9} = 3640$

Mode is the entry with most frequency. Thus, for the given sample mode = 4100.

Median

Since n = 9 is odd,

Formula:

$Median = \displaystyle\frac{n+1}{2}th~term$

Data in ascending order:

2950,3100,3200,3460,3830,3970,4050,4100,4100

Median = 5th term = 3830.

7 0

3 years ago

Find the area of the triangle.

madreJ [45]

Start by finding the area of each smaller right triangle.
Right triangle area = (1/2)hb -> h = height & b = base
b = 4 & h = 3
(1/2)(4)(3) = 6
6*2 = 12 (there are two right triangles)
The area of the entire triangle is 12yd^2

8 0

4 years ago

-21(+5-8)7+-90:-6= yesssssssssssssssssssssssssssssssssssssssssssssssssss

hodyreva [135]

Answer:

yeeeeeeeees

Step-by-step explanation:

yeeeeeeeeeeees

8 0

3 years ago

The picture below shows a box sliding down a ramp:

algol [13]

Answer:

11.3 ft

Step-by-step explanation:

sin = opp/hyp

hyp = opp/sin

AC = 10/sin62

Use calculator

AC = 11.325700506890392

11.3 ft

8 0

3 years ago

To solve X/0.4 = 10, you would: Add 0.4 Subtract 0.4 Multiply 0.4 Divide by 0.4

Mrac [35]

Multiply by 0.4 on both sides to cancel the original 0.4 and change the 10

8 0

3 years ago