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laiz [17]
2 years ago
6

First combine the like terms in 4F + (-21)+10 F

Mathematics
1 answer:
vovikov84 [41]2 years ago
6 0

Answer:

7(2f-3)

No step-by-step explanation.Sorry!

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Please help me with this homework
otez555 [7]

additive inverse.

Step-by-step explanation:

Due to my beliefs considering -8 + 0 = -8 that is considerd additive inverse.

3 0
3 years ago
Read 2 more answers
(5x^+2x-11) - (3x^+8x-7)
omeli [17]
2x^-6x-4 that is the answer
8 0
3 years ago
king school is holding a bake sale. Jose's mom brought 2 dozen chocolate chip cookies and Jana's dad brought 3 dozen peanut butt
Oduvanchick [21]

Answer:

6 plates needed

Step-by-step explanation:

2 dozen= 24

3 dozen = 36

24+36=60

60 ÷ 10=6

6 plates needed

4 0
2 years ago
I AM IN DESPERATE NED OF QUICK HELP PLEASEEEEEEEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!!!
rosijanka [135]

Answer:

16

Step-by-step explanation:

To solve this equation, we need the formula for perfect squares:

  • (a + b)^2 = a^2 + 2ab + b^2

or

  • (a - b)^2 = a^2 - 2ab + b^2 <em>this is the formula we will use because the signs match the one in the question</em>.

Knowing these, we can set up an equation that assumes that the answer we will end up with is a perfect square.

Work:

(v - x)^2 = v^2 -8v + x^2

  • this is the setup for being able to solve for the unknown x, now we need to solve for x.

(v - x)^2 = v^2 - 8v + x^2 (I replaced 2ab with 8v because I'm setting up this question to be a perfect square).

(v - x) (v - x) = v^2 - 8v + x^2

  • multiply the left side. Remember that your answer will not be v^2 + x^2, but v^2 - 2vx +x^2.

v^2 - 2vx + x^2 = v^2 + 8v + x^2

  • Divide like terms and isolate the variable. In this case, v^2 and x^2 are on both sides, so dive them and they will be canceled out.

2vx = 8v

  • divide by 2v and you will have your value for x.

x = 4

  • Now we plug x into our original equation equation for perfect squares.

(v - 4)^2 = v^2 - 8v + 16

Our final answer is 16.

5 0
4 years ago
Chris bought 4 hot dogs for $1.50. Which of the following shows an equivalent rate?
o-na [289]

Answer:

1 hot dog for$0.50

Step-by-step explanation:

i hope these answer is correct

3 0
3 years ago
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