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2 years ago

Which expression is equivalent to 3x+2

Mathematics

1 answer:

lord [1]2 years ago

8 0

Answer:

(3 x X) + 2

Can be a possible way if you factor it out I think.

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Galina is finding the area of triangle RST. To do so, she follows the steps in the table.

vladimir1956 [14]

1 step: to draw a rectangle around triangle RST, you should

draw points A(-1,-1), B(-1,3) and C(2,3);
connect points A, B, C and T consecutively.

2 step: rectangle ABCT has length AB=4 units and width BC=3 units. Then

$A_{ABCT}=4\cdot 3=12$ sq. un.

3 step:

$A_{\triangle ART}=\dfrac{1}{2}AR\cdot AT=\dfrac{1}{2}\cdot 2\cdot 3=3$ sq. un.

$A_{\triangle BRS}=\dfrac{1}{2}BR\cdot BS=\dfrac{1}{2}\cdot 2\cdot 2=2$ sq. un.

$A_{\triangle SCT}=\dfrac{1}{2}CS\cdot CT=\dfrac{1}{2}\cdot 1\cdot 4=2$ sq. un.

4 step:

$A_{\triangle RST}=A_{ABCT}-A_{\triangle ART}-A_{\triangle BRS}-A_{\triangle SCT}=12-3-2-2=5$ sq. un.

Answer: in step two you write dimensions of rectangle ABCT: length 4 units and width 3 units. Correct choice is B.

8 0

3 years ago

Read 2 more answers

Two parallel lines are crossed by a transversal.

emmasim [6.3K]

Because both lines are parallel, if you add the 5x+5 to the 115 those would equal 180 degrees

so you have 5x+5 + 115 = 180

combine like terms:

5x + 120 = 180

subtract 120 from both sides

5x = 60

x = 60/5
x = 12

6 0

3 years ago

Read 2 more answers

Plsssss help !!!!!! At certain traffic light 10% of the cars passed through have four wheel drive what percentage do not have fo

VMariaS [17]

Answer:

90%

Step-by-step explanation:

If you are going to find out the percent of the car that do not have 4 wheel drive, you take the total amount of car that passed though the stoplight which is 100% . You take this 100% and then subtract the 10% to get the final answer 90%. 90% of the cars do not have 4 wheel drive.

6 0

3 years ago

3/7 what is the quotient

Andre45 [30]

Answer:

0.42....and its a repeating decimal.

Step-by-step explanation:

4 0

3 years ago

Bernard is 5 times older than Victor. Victor is five years older than Peter. If the sum of their ages is 65 years, how old will

Iteru [2.4K]

Answer:

Victor's age after 7 years = 10+7

=> 17 years

7 0

3 years ago