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3 years ago

How do you do step by step explanation?

Mathematics

2 answers:

rewona [7]3 years ago

6 0

Answer:

for math problems you right out how you solved the problem but for other problems you can backspace the step by step bit on brainly

nadya68 [22]3 years ago

3 0

Answer:

to do step by step explanation, you have to prove your answer with steps.

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How many variable terms are in the expression 3x3y + 5xz − 4y + x − z + 9?

Dimas [21]

Answer:

Step-by-step explanation:

there are only x y and z used in the expression no matter how many times they multiply.

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3 years ago

The sum of 3 consecutive numbers is 21. write and solve an equation that represents this situation. show your work

I am Lyosha [343]

Answer:

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Step-by-step explanation:

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3 years ago

The sum of the angle measures of any triangle is 180 degrees. Angle 2 is twice the measure of angle 1. Angle 3 is 15 degrees les

allochka39001 [22]

Answer:

Angle 1 = 39, Angle 2 = 78 , Angle 3 = 63

Step-by-step explanation:

78/2 = 39

(Angle 2/2 = Angle 1)

78 - 15 = 63

(Angle 2 - 15 = Angle 3)

39 + 78 + 63 = 180

(Angle 1 + Angle 2 + Angle 3 = 180)

7 0

4 years ago

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Se cocina una pizza de 20 cm de radio, en su interior se coloca al azar 12 piezas de salami

Furkat [3]

Answer:

The area of cheese is 388π cm.

Step-by-step explanation:

Given that,

Radius of pizza = 20 cm

Number of pieces = 12

Radius of circle = 1 cm

We need to calculate the area of pizza

Using formula of area

$A=\pi\times r^2$

Put the value into the formula

$A=\pi\times20^2$

$A=400\pi\ cm^2$

We need to calculate the area of circle

Using formula of area

$A'=\pi\times r^2$

Put the value into the formula

$A'=\pi\times1^2$

$A'=\pi\ cm^2$

Now, we multiply the result by 12 because they are 12 salamis.

So. the area of salamis will be

$A'=12\pi\ cm^2$

We need to calculate the area of cheese

The total area of the pizza and subtract the area of the salamis

$A''=A-A'$

Put the value in to the formula

$A''=400\pi-12\pi$

$A=388\pi\ cm^2$

Hence, The area of cheese is 388π cm.

6 0

3 years ago

A rectangular garden is enclosed by 94 feet of fencing around its perimeter. The garden is 15 feet wide. How long is the garden?

mel-nik [20]

Answer:

Work:

94-15=79ft

Therefore, the answer would be 79ft.

Hope this helps,

Trey

8 0

3 years ago

Read 2 more answers