MATHEMATICS MIDDLE SCHOOL

Which expression shows a sum of three terms?

3x
3 + x
x3
x + 3 + x

Answers

Answer 1

Answer:

Answer:

x + 3 + x

Step-by-step explanation:

The sum of three terms means that three terms have been added.

3x is the answer; it does not show the terms being added.

3+x is the sum of two terms.

x³ is a product.

x+3+x shows 3 things being added, so it is the correct answer.

Answer 2

Answer:

Answer:

x+3+x

Step-by-step explanation:

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Write a problem for the equation x-5=2

How do I write 1.75 as a mixed number in simplest form?

Answers

Since the 5 is in the hundredths place then, the denominator would be 100. 1 is the whole. 75 would be the numerator. So the mixed number would be 1 75/100. When you simplify 75/100 by 25, your final answer including the whole number would be 1 3/4

You would write it one and thirty four hundreths

Lines b and c are parallel. What is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Answers

Answer:

m2 = 50

Step-by-step explanation:

7x+1+18x+4=180

25x+5=180

25x=175

x=7

m2= 7(7)+1 = 50

Answer:

2. $m\angle 2=50^(o)$

Step-by-step explanation:

We have been given that lines b and c are parallel.

Since we know that vertical angles are always congruent. We can see that measure of angle 2 will be equal to $(7x+1)^(o)$ as it is the measure of vertical angle of angle 2.

We can see that $(7x+1)^(o)$ and $(18x+4)^(o)$ form a linear pair, so they will add up to 180 degrees.

$18x+4+7x+1 =180$

$25x+5=180$

$25x=180-5$

$25x=175$

$x=(175)/(25)$

$x=7$

Now let us substitute value of x in the expression $(7x+1)^(o)$ to find the measure of angle 2.

$m\angle 2=7x+1$

$m\angle 2=7* 7+1$

$m\angle 2=49+1$

$m\angle 2=50$

Therefore, the measure of angle 2 will be 50 degrees and 2nd option is the correct choice.

What is the best time to divide a half dolloar between two people?at a _ _ _ _ _ _ _ _ _ _ _

Answers

the answer is: quarter to 2

Please help i don't understand

Answers

3n/2 should be multiplied by 5 instead of two since 2 x 2 does not equal 10

Which decimal has the same value as 7/8

Answers

0.875 is the answer hope you like it!!!!!!!!!!!

The numerator is the top part of a fraction, and the denominator is the bottom part of a fraction.

To convert a fraction to decimal you simply have to divide.

$7/8$

7 ÷ 8 = 0.875

Santa gains 3 pounds per week.How many pounds will he gain in 20 weeks