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4 years ago

Will give brainliest! please awnser!

Mathematics

2 answers:

AVprozaik [17]4 years ago

4 0

Answer:

C, D

Step-by-step explanation:

C and D is a algebraic equation, and equations have an equal sign, which is all it needs to prove it is a mathematical sentence.

Hope this helps!!

Let me know if I'm wrong, or you need help on a different problem...

Eva8 [605]4 years ago

4 0

Answer:

C and D

Step-by-step explanation:

Both C and D have equals signs and variables, but they don't have to have variables. All you need is an equals sign.

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The school cafeteria served three kinds of lunches today to 225 students. The students chose the cheeseburgers three times more

r-ruslan [8.4K]

Let the number of fish sandwiches sold br represented by x

Then the number of grilled cheese sold is 2X

and the number of cheeseburgers 3(2x)

x + 2x + 3(2x) = 225

and solve

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Then x + 14 represents the no of pounds of the mixture

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3) Try on your own

plz mark me as brainliest :)

3 0

3 years ago

1/3 + 5/6 + 5/12 What is the answer

SOVA2 [1]

1/3 + 5/6 + 5/12

1.583333333333333

3 0

3 years ago

Read 2 more answers

What is the distance between -6 and -3 on a number line?

Ira Lisetskai [31]

I think it's 3 but idk I'm not good at math

7 0

3 years ago

Read 2 more answers

Twelve more then the product of 5 and a number x? x is 2

yaroslaw [1]

Answer:

Step-by-step explanation:

5 * 2 = 10

10 + 12 (because 12 more)

=22

3 0

3 years ago

Factoring Trinomials

alexandr402 [8]

25 a² + 20 ab + 4 b²

for formula $a^x+bx^ky^k+cy ^{2k }$ find u,v such that: u.v = a

and u+v = b then group according to $(ax ^{2k} +ux^ky^k)+(vx^ky^k+cy ^{2k} )$

= $(25a^2+10ab)+(10ab+4b^2)$

factor out 5a from : $25a^2+10ab : 5a(2b+5a)$

factor out 2b from : $10ab+4b^2: 2b(2b+5a)$

= $5a(2b+5a) + 2b(2b+5a)$

factor out : $(5a+2b)$

= $(5a+2b)(5a+2b)$

Refine:

$(2b+5a)^2$

hope this helps!.

3 0

4 years ago