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2 years ago

How to simplyfy 2x+2x

Mathematics

1 answer:

VladimirAG [237]2 years ago

4 0

Answer:

Your answer is 4x.

Step-by-step explanation:

Add 2+2

Combine your x's (like terms)

then you got 4 from 2+2

Add the leftover x so it makes 4+x then add it will give you 4x.

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If there are 48 students in a class and 20 students have a dog, what percentage of students have a dog?

vampirchik [111]

Yeah around 41%, what u can do to get the answer is just 20 divided by 48

5 0

3 years ago

Solve using substitution x-10y=10 x= -10

34kurt

-10 -10y = 10
+10 +10

-10y = 20

20/-10 = -2

Y = -2

4 0

2 years ago

Read 2 more answers

Find four consecutive numbers whose sum equals 218

snow_tiger [21]

Answer:

53+54+55+56

Step-by-step explanation:

I don't remember equation but I know this is the because I can roughly estimate the numbers by dividing by four and going from there

3 0

3 years ago

Use the Venn diagram to calculate probabilities. Circles A and B overlap. Circle A contains 15, circle B contains 10, and the in

grin007 [14]

Answer:

$(B) P(B)=\dfrac{16}{31}$

Step-by-step explanation:

From the Venn diagram, n(AUB)=31

The given probabilities in the option are calculated below:

$P(A)=\dfrac{21}{31}\\\\P(B)=\dfrac{16}{31}\\\\P(A|B)=\dfrac{P(A\cap B)}{P(B)}= \dfrac{6/31}{16/31} =\dfrac{6}{16}=\dfrac{3}{8} \\\\P(B|A)=\dfrac{P(B\cap A)}{P(A)}= \dfrac{6/31}{21/31} =\dfrac{6}{21}=\dfrac{3}{7}$

The only correct option is the probability of B which is $\frac{16}{31}$

8 0

3 years ago

What is the slope of the line shown below? A. -5 B. 5 C.-2 D. 2

expeople1 [14]

Answer:

D. 2

Step-by-step explanation:

rise/run = $\frac{y_{2} -y_1}{x_{2} -x_1} }$ = $\frac{7 - -3}{3- -2}$ = 10/5 = 2

8 0

3 years ago