The expression 7 + 3x + 4 represents the perimeter of the triangle. Simplify the expression

Answers

Answer 1

Answer:

Answer:

3x+11

Step-by-step explanation:

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On a class test, Lesley scored 4.5 points more than her friend Cathy. Lesley scored 81.5 points. Cathy's score, x, can be found using the equation below.The solution to the equation was calculated to be x = 36. Is this solution reasonable? A. Yes, it is reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored more than 81.5 points. B. No, it is not reasonable because Lesley scored 4.5 points less than Cathy. Cathy scored less than 81.5 points, not more. C. Yes, it is reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored 86 points. D. No, it is not reasonable because Lesley scored 4.5 points more than Cathy. Cathy scored less than 81.5 points, not more.
QUESTION21 pointssave AnswerThe perimeter of a rectangle is 136 ft. The ratio of its length to its width is g 8, What are the dimensions of therectangle?48 ft by 20 ft44 ft by 24 fte 40 ft by 28 ft36 ft by 32 ftA 10:49SAMSUNG

Which pair of numbers has the same gcf as that of 48 and 78A)4 and 34
B)8 and 18
C)9 and 15
D)12 and 30

Answers

greatest common factor is found by finding the factors of each
factors48=2 times 2 times 2 times 2 times 3
78=2 times 3 times 13
find common group
comon group=2 times 2=6
gcf=6
find others
narrow it down by crossing out any choices with numbers not divisible by 6
(crosses out A,B,C since A has 4 and B has 8 and C has 9)

therefor the answer is D, 12 and 18
check
12=2 times 2 times 3
18=2 times 3 times 3
common group=2 times 3=6
correct

answer is D, 12 and 18

It is about 2508 miles from Orange County in California to Orange County in Florida. With an average speed of 70 miles per hour, about how long will it take to drive from one to the other?

Answers

35.82 hours if you go nonstop

The value of y varies directly with the value of x, and y = –21 when x = 3.Which equations represent the relationship between y and x?

Choose exactly two answers that are correct.

A. -7x = y

B. y/x = -7

C. x/y = 7

D. xy = 7

Answers

$y=-21~~~~~x=3 \n \n a)-7x=-7*x\rightarrow-7*3=-21~~(\boxed{\checkmark})~~because~~\boxed{y=-21}\n \n b) (y)/(x) =-7~~~~~ \rightarrow (-21)/(3)=-7 ~~ (\boxed{\checkmark})$