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galben [10]
3 years ago
10

Need help with question 10 i can not figure it out please help.

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0
The answer is 11 inches
fiasKO [112]3 years ago
4 0
Pythagorean theorem: a² + b² = c²

The legs are a² and b², and the hypotenuse is c².

Both legs measure 8 in, so plug in 8 into the formula and solve for c (hypotenuse).

8² + 8² = c²
64 + 64 = c²
128 = c²

Square root both sides.

c = 11.3 inches
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I am completely lost help me
Snowcat [4.5K]
D is the correct answer
8 0
3 years ago
The diagram shows a square pyramid over a cube. what is the volume of the entire figure?
Digiron [165]

Answer:

1,233\frac{1}{3}\ in^3

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

The volume of the figure is equal to the volume of the cube plus the volume of the square pyramid

<em>Find the volume of the cube</em>

V=b^3

where

b is the length side of the cube

we have

b=10\ in

V=10^3=1,000\ in^3

Find the volume of the square pyramid

V=\frac{1}{3}b^{2}h

where

b is the length side of the square base

h is the height of the pyramid

we have

b=10\ in

h=17-10=7\ in

substitute

V=\frac{1}{3}(10)^{2}(7)

V=\frac{700}{3}\ in^3

<em>Find the volume of the complete figure</em>

Adds the volumes

V=1,000+\frac{700}{3}=\frac{3,700}{3}\ in^3

convert to mixed number

\frac{3,700}{3}\ in^3=\frac{3,699}{3}+\frac{1}{3}=1,233\frac{1}{3}\ in^3

8 0
3 years ago
A cone has a radius of 10 inches and a height of 6 inches. What is the
ivanzaharov [21]

Answer:

Step-by-step explanation:

radius of cone and hemisphere are the same

volume of half sphere=(1/2)*(4/3)*

                                   =(1/2)*(4/3)*3.14*                       (4*4*4=64)

                                   =133.97333

                                   =133.97

volume of cone= (1/3)h

                        =(1/3)*3.14**9                                      (4*4=16)

                        =150.72

total volume=133.97+150.72

                   =284.69

                   =284.7

Step-by-step explanation:

5 0
3 years ago
What is the answer to 7(2m + 6)+ 8m
QveST [7]

Answer:22m+42

Step-by-step explanation:

7•2m =14m + 8m = 22m

7•6=42

4 0
3 years ago
**How do you factor -4x²+14x-6?
MAXImum [283]


2 goes into all the terms so;

2(-2x² + 7x - 3) now you could factor it:

2(-2x - 1)(x + 3)

5 0
3 years ago
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