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3 years ago

Who is correct pls answer

Mathematics

1 answer:

Fofino [41]3 years ago

5 0

Answer: D
I’d say neither are correct because a prism looks like this...
Katie would be correct if she had lines within the L shaped area

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Simplify. Write answers with positive exponents only.

Margaret [11]

Answer:

Step-by-step explanation:

when the base is the same, we subtract when dividing, so

3-2=1, 2x^1=2x

3 0

3 years ago

A math test is worth 100 points and has 38 problems. each problem is worth either 5 points or 2 points. how many problems of eac

blondinia [14]

Hey there,
There are 2 ways
1st way:
Since there are 8 5 point problems, 38 - 8 = 30, will give you the 2 point problems.

2nd way:
8 x 5 = 40
100 - 40 = 60
60 / 2 = 30
Thus there are 30, 2 point problems.

Hope this helps :))

~Top

4 0

3 years ago

Read 2 more answers

Find the missing side lengths

Mashcka [7]

Answer:

y = 9√3

x = 18

Step-by-step explanation:

taking 30 as reference angle

b = y

p = 9

h = x

tan30 = p/b

1/√3 = 9/b

or, b = 9√3

$h^2 = p^2 + b^2\\x^2 = 9^2 + y^2\\or, x^2 = 81 + (9\sqrt{3} )^2\\or, x^2 = 81 + 243\\or, x ^2 = 324\\or, x =\sqrt{324} \\\\so x = 18$

7 0

3 years ago

A circle has a diameter of

blsea [12.9K]

Step-by-step explanation:

to calculate circumference:

$2\pi \: r$

if the diameter is 16 then the radius would be 8.

$2\pi \:r \\ = 2\pi(8) \\ = 16\pi \\ =Rationalize(50.26548245744) \\circumference = 50.27$

to calculate the area of a circle:

$\pi {r}^{2} \\ = \pi( {8})^{2} \\ = Rationalize(201.06192982975) \\ area = 201.06 \: ^{2}$

5 0

2 years ago

Help me please. I NEED HELP.

lord [1]

Answer:

Step-by-step explanation:

i got it rright.........

7 0

2 years ago