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Contact [7]
3 years ago
14

7th grade math help me plzzz

Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0

Answer:

I think it is 3

Tresset [83]3 years ago
4 0

Answer:

The answer is 3 It's correct

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Elena says she needs 263 plastic sleeves for her comic book collection. She has comic books. Each sleeve holds 4 comic books. Do
mote1985 [20]
The answer would be no. She needs 264 plastic covers in order to fit all comic books.
Divide 1,056 by 4
You should get 264. <span />
7 0
3 years ago
Find the lateral and surface area of each cone
Sophie [7]

Answer:

\large\boxed{L.A.=153\pi\ mm^2}\\\boxed{S.A.234\pi\ mm^2}

Step-by-step explanation:

The formula of a lateral area of a cone:

L.A.=\pi rl

r - radius

l - slant height

The formula of a surface area of a cone:

S.A.=\pi r^2+\pi rl

We have r= 9mm and l = 17mm. Substitute:

L.A.=\pi(9)(17)=153\pi\ mm^2

S.A.=\pi(9^2)+153\pi=81\pi+153\pi=234\pi\ mm^2

7 0
3 years ago
Determine the function
zalisa [80]

For each increment in x, the output is multiplied by 2. The function could be written the way a geometric sequence can be written:

... f(x) = 5·2^(x-1)

Or, it could be simplified to ...

... f(x) = (5/2)·2^x

The first 5 terms will be

... 5, 10, 20, 40, 80

5 0
3 years ago
Find the value of x in each case: If you solve this correctly, I will give you brainliest pleasee help
lions [1.4K]

\text{Hello there! :)}

\huge\boxed{x = 22.5}\text{Since we know that DE and AC are parallel,}\\\\\text{We can use the Alternate-exterior angle congruency to determine the value of "x":}\\\\6x = 2x + \text{ The supplement of 4, therefore:}\\\\6x = 2x + 180 - 4x\\\\\text{Isolate the "x" variable by adding 4x and subtracting 2x from both sides:}\\\\8x = 180\\\\\text{Divide both sides by 8:}\\\\\boxed{x = 22.5}

3 0
3 years ago
A researcher asked 520 randomly selected people of three different age groups (teen, young adult, and adult) about their favorit
Alenkinab [10]

The value of p(cc and tc) is 0.1173

The distribution of the replies is 0.12, as shown by the two-way table.

We've done that.

520 randomly chosen individuals from the teen, young adult, and adult age groups were asked about their preferred musical genres by the researcher.

The distribution of the answers is shown in the two-way table.

There are 61 teenagers in the country.

seeing as how this is only one of 520,

The probability formula?

P(E) = (Number of favorable outcomes) = Probability of an Event (Sample space).

61/520=0.1173

We calculate 0.1173 by dividing 61 by 520 and rounding to the next hundredth to obtain 0.12.

Thus the value of p(cc and tc) is 0.1173.

Learn more about profit and loss here :

brainly.com/question/25698647

#SPJ4

7 0
2 years ago
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