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leva [86]
3 years ago
6

I will give brainliest!!!! Which expressions are equivalent to x+x+x+2? Choose 2 answers: A 3x + 2 (Choice B) B 3 + 2x (Choice C

) C 3(x+2) (Choice D) D 2(x+1)+x (Choice E) E 5x
Mathematics
2 answers:
fredd [130]3 years ago
7 0

Answer:

x+x+x+2

This deals with simplification so it will be B. 3x+2

____ [38]3 years ago
5 0

Answer:

the answer is a and d ! hope it help

Step-by-step explanation:

You might be interested in
-3x(x - 4) + 2 - (5 - x)
Readme [11.4K]

Answer:

- 3x(x - 4) + 2 - (5 - x) \\ =   - 3 {x}^{2}  + 12x + 2 - 5 + x \\  =  - 3 {x}^{2}  + 13x - 3

I hope I helped you^_^

3 0
2 years ago
Read 2 more answers
What is the sum of the hundreds in this equation? 357 + 421
xenn [34]

357+421 = 778

Hope this helps :)

4 0
3 years ago
PLEASE HELP I NEED QUALITY ANSWERS AS WELL WILL MARK BRAINLIEST!!!
hammer [34]

Answer:

True

Step-by-step explanation:

So the radius would be 5 (as you times it by 2 to get 10)

Therefore

2a=10 is the same as what the circle with diameter d=2r=10

4 0
2 years ago
Because of the relatively high interest rates, most consumers attempt to pay off their credit card bills promptly. However, this
Anastasy [175]

Answer:

Step-by-step explanation:

Let X be average interest paid monthly by a bank's Visa cardholders

Given that X is N(28, 8)

In the following to find out probability we convert X to z score and use std normal distribution table

Z = \frac{x-28}{8}

Probability being less than 1 is here equal to the proportion also.

A) P(X>32) = P(Z>0.5)=0.5-0.1915=0.3085

B) P(X>40) = P(Z>1)=0.5-0.3413=0.1687

C) P(X<19) = P(Z<-1.125)=0.5-0.0438=0.4562

D) We have to find 19th percentile here

Z =-0.88

X=28-0.88(8)\\=20.96

5 0
3 years ago
H=7+44t-16^2
djyliett [7]

Answer:

t_1\approx2.18

t_2\approx0.57

Step-by-step explanation:

h=7+44t-16t^2

27=7+44t-16t^2

0=-20+44t-16t^2

0=-16t^2+44t-20

t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

t=\frac{-44\pm\sqrt{44^2-4(-16)(-20)}}{2(-16)}

t=\frac{-44\pm\sqrt{1936-1280}}{-32}

t=\frac{-44\pm\sqrt{656}}{-32}

t=\frac{-44\pm4\sqrt{41}}{-32}

t=\frac{11}{8}\pm\frac{\sqrt{41}}{8}

t_1\approx2.18

t_2\approx0.57

5 0
2 years ago
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