7 copies of the sum of 8 fifths and 4

Answers

Answer 1

Answer: 8 + 4 = 12 and 7 times 12 equals 84.

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What is greater 8.43 of 8.340

Answers

Answer:

8.43

Step-by-step explanation:

easy

8.43 hope this helps :)

isabel earned 350 points while she was playing blasting robot. isabel's mom earned 3 times as many points as isabel. how many points did isabel's mom earn?

Answers

Isabel's mom earned 1050 (350*3)

it would be 750 points . you can add 350+350+350=750. You could also multiply 350 times 3. You would also get the same answer which is 750.

What can you tell about the mean of each distribution? A: the average cost of a cat's annual visit is about $1.20 more
B:the average cost of a cat's annual visit is about $23.71 more
C:the average cost of a cat's annual visit is about $1.20 less
D:the average cost of a cat's annual visit is about. $23.75

Answers

Answer: 23.71 less at new leash than average cost than no rug stuff

Answer:

Step-by-step explanation:

help please

If the diameter of a circle is 6 inches, how long is the arc subtended by an angle measuring 70°?

Answers

Answer:

7π/6 inches ( = 3.67 inches)

Step-by-step explanation:

given diameter = 6 inches, radius = 6/2 = 3 inches

circumference (i.e full 360°) = 2πr = 2π (3) = 6π inches

fraction of full circle represented by 70° = (70/360)

arc length subtended by 70° = (70/360) x 6π = 7π/6 inches ( = 3.67 inches)

Which is an equation of the line parallel to - 2x + y = 6 that contains thepoint (0, 2)?

A: -x – 2y = -4
B: -x – 2y = -2
C: -2x+y= -4
D: - 2x + y = 2

Answers

Answer: D. - 2x + y = 2

Step-by-step explanation:

The equation given is -2x + y = 6

Let us re- write it in slope - intercept form , that is we will make y the subject of the formula.

y = 2x + 6

Two lines are said to be parallel if they have the same slope , the slope of the first equation of line given is 2 , this means the slope of the equation of the line parallel to it is also 2.

Using the formula $y -y_(1)$ = $m(x-x_(1))$ to calculate the equation , we have

y - 2 = 2 ( x - 0 )

y - 2 = 2x

Therefore :

-2x + y = 2 is the equation

A

If you find the slope by using the opposite reciprocal than you may plug in the y and x values in order to find the value of b

The average 10 year old boy is 55 inches tall. How tall is this, in feet?

Answers

There is 12 inches in a foot. Times inches by feet. You can pick a number for the feet and do trial and error until you get a number the closet to 55.

12 inches times 4 feet equals 48 inches.
12x4= 48
Now subtract 55 inches from 48 inches
55-48= 7 inches

So 4 feet and 7 inches tall

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Simply the following expression I need help ASAP!!

360000 as standard form

a rectangle has an area of 42 square inches which has a greater perimeter the rectangle with the dimensions 21 times 2 or the dimensions 6 times 7

Last year, the school library had a total of x books. Over the summer, the library acquired another 42 books and now has a total of 2,402 books. Which equation could be used to find x, the number of books the library had last year?A.2,402 + x = 42 B.x + 42 = 2,402 C.42x = 2,402 D.x - 42 = 2,402