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-Dominant- [34]
3 years ago
13

Express as a trinomial. (2x+4)(x-1)

Mathematics
2 answers:
alex41 [277]3 years ago
5 0
-2x^2+2x-4 is the answer
Gekata [30.6K]3 years ago
3 0

Answer:

2x^2+6x+4

Step-by-step explanation:

2x^2+2x+4x+4

2x^2+6x+4

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August hosted two dinner parties for his friends. twenty guests attended the first party, and thirty-two guests attended the sec
rjkz [21]

I'm not 100% sure if I'm correct cause I could have made an error but I had gotten 12% as the answer


6 0
3 years ago
2x(x+4)+7+=(x+8)+ 2x(x+1)+12=
Katena32 [7]

Answer:

x=2.600

Step-by-step explanation:

2x(x+4)+7+=(x+8)+ 2x(x+1)+12

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

  ->        2*x*(x+4)+7+-((x+8)+2*x*(x+1)+12)=0

-> ((2x•(x+4))+7)-(((x+8)+2x•(x+1))+12)  = 0

->  (2x • (x + 4) +  7) -  (2x2 + 3x + 20)  = 0

->  5x - 13  = 0

-> Add  13  to both sides of the equation :  

                     5x = 13

Divide both sides of the equation by 5:

                    x = 13/5 = 2.600

Please mark as brainliest

8 0
3 years ago
The list below shows all of the possible outcomes for flipping four coins. HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THT
Andreyy89

Answer:

the probability of 4 heads are 70*.0625*.0625 ~= .273. 16 flips,

Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
If OB = 10 and RB = 8, then OR = ?
Nezavi [6.7K]
OR=6 because you have to do the Pythagorean theorem
4 0
3 years ago
Read 2 more answers
Two mechanics worked on a car. The first mechanic worked for 15
nevsk [136]

Answer: For the sum of 130

First: $90

Second: $40

Step-by-step explanation:

We write equations for each part of this situation.

<u>The Total Charge</u>

Together they charged 1550. This means 1550 is made up of the first mechanics rate for 15 hours and the second's rate for 5 hours. Lets call the first's rate a, so he charges 15a. The second's let's call b. He charges 5b. We add them together 15a+5b=1550.

<u>The Sum of the Rates</u>

Since the first's rate is a and the second is b, we can write a+b=130 since their sum is 130.

We solve for a and b by substituting one equation into another. Solve for the variable. Then substitute the value into the equation to find the other variable.

For a+b=130, rearrange to b=130-a and substitute into 15a+5b=1550.

15a + 5 (130-a)=1550

15a+650-5a=1550

10a+650-650=1550-650

10a=900

a=$90 was charged by the first mechanic.

We substitute to find the second mechanic's rate.

90+b=130

90-90+b=130-90

b= $40 was charged by the second mechanic

5 0
3 years ago
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