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Art [367]
3 years ago
15

Plz help me plz dhzhzhjxdjjz

Mathematics
1 answer:
Klio2033 [76]3 years ago
8 0

Answer:

Step-by-step explanation:

reverse x in a square

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PLEASE HELP!
miskamm [114]

Answer:

  340 square feet

Step-by-step explanation:

If we "unwrap" the painted surface from the shed, it will have the shape shown in the attachment. It is essentially a 40' by 8' rectangle with two 10' wide by 2' high triangles added.

The rectangle area is ...

  A = LW = (40 ft)(8 ft) = 320 ft²

The total area of the two triangles is ...

  A = 2(1/2)bh = (10 ft)(2 ft) = 20 ft²

Then the painted area is ...

  total area = 320 ft² +20 ft²

  total area = 340 ft²

8 0
4 years ago
It is advertised that the average braking distance for a small car traveling at 65 miles per hour equals 120 feet. A transportat
Lerok [7]

Answer:

H_{\0}:\mu =120   H_{\0}:\mu \neq 120

Step-by-step explanation:

it is given in question that

sample space n=34

μ the population mean =120

the sample mean \bar{x}=115

the population standard deviation σ=20

we have to find the null hypothesis and alternative hypothesis

null hypothesis

the average braking distance for a small car travelling at 65 miles per hour equals to 120 feet

so H_{\0}:\mu =120

Alternative hypothesis

the average braking distance for a small car travelling at 65 miles per hour not equals to 120 feet

so H_{\0}:\mu \neq 120

4 0
3 years ago
Read 2 more answers
Can someone please help me find the area of a regular pentagon of radius 4m? thank you :(
Sliva [168]

Answer:38.07

Step-by-step explanation:

3 0
3 years ago
I’m confused on this one
Anvisha [2.4K]

The triangles are similar. Set the two triangle's measurements equal to each other


8/10 = (x - 1)/(x + 2)


Cross multiply


8(x+ 2) = 10(x - 1)


Distribute the numbers


8(x) = 8x

8(2) = 16

10(x) = 10x

10(-1) = -10


8x + 16 = 10x - 10


Isolate the x. Subtract 16 from both sides, and 10x from both sides


8x (-10x) + 16 (-16) = 10x (-10x) - 10 (-16)


8x - 10x = -10 - 16


Simplify. Combine like terms


-2x = -26


Isolate the x. Divide -2 from both sides


-2x/-2 = -26/-2


x = -26/-2


x = 13


13 is your answer for x



hope this helps

5 0
3 years ago
Read 2 more answers
HELP FOR BIG BRAIN!!!!!!!
choli [55]

Answer:

I think the answer is B.

Step-by-step explanation:

The coefficient should be after the variable, but since there isn't one, the answer is just one.

5 0
3 years ago
Read 2 more answers
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