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koban [17]
3 years ago
8

PLEASE HELP. I WILL MARK BRAINLY !!!

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
8 0
The answer is A. 2, -2


Hope I helped!

Let me know if you need anything else!

~ Zoe
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Lillian built a staircase out of blocks. She used 3 blocks to make the first step, 6 blocks to make the second step and 9 blocks
sashaice [31]

Answer:

30

Step-by-step explanation:

if you take 3+6+9+12 you get 30

7 0
3 years ago
Read 2 more answers
I did 12 squared + 16 squared = 400 and then I did √400 = 20 so y = 20. Is this answer correct?
Nuetrik [128]
Yes its correct you did well :)
3 0
2 years ago
3
Pavel [41]

Answer: three dimensional figure and plane.

Step-by-step explanation:

A cross section is the intersection between a (three dimensional figure) and also a (plane).

When an object is being cut straight, the shape that we get is referred to as the cross section. We should note that several parallel cross sections will be firmed when we cut a particular object into slices.

4 0
3 years ago
What is 16% of 43 minutes? Round answer to tenths place.
sergiy2304 [10]

Answer: 6.9\ minutes

Step-by-step explanation:

Let "x" represents the 16% of 43 minutes.

Once you analize the information given in the exercise, you can identify that 43 minutes is the 100%.

Then, with this data, you can set up the following proportion:

\frac{100}{43}=\frac{16}{x}

Now you must solve for "x". The steps are:

- Multiply both sides of the equation by "x"

 (x)(\frac{100}{43})=(\frac{16}{x})(x)\\\\\frac{100x}{43}=16

- Multiply both sides by 43:

(43)(\frac{100x}{43})=(16)(43)\\\\100x=688

- Divide both sides by 100:

\frac{100x}{100}=\frac{688}{100}\\\\x=6.88

- Rounding to the tenths place:

x\approx6.9

7 0
3 years ago
PLEASE HELP FAST!!!!!!!!!!!
san4es73 [151]

Answer:

First expression         8y +4x +10

Second expression    7x-3y +6

If you want to combine both expressions: 5y +11x +16

Step-by-step explanation:

Like terms are the terms which have same variables and powers/roots.

Example: 7x and 2x are like terms because the variables are both "x". So we can combine in 9x

In an expression, only like terms can be combined. We combine like terms to shorten and simplify algebraic expressions, so we can work with them more easily. To combine like terms, we add the coefficients and keep the variables the same

10y + 3x + 10 + x -2y  

10y-2y=8y          3x+x=4x

so         8y +4x +10

3x - y + 4x + 6 - 2y

3x+4x=7x              -2y -y = -3y

so  7x-3y +6

4 0
3 years ago
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