About how many times larger is 8.75 x 10-2 than 4.35 x 10-4?

Answers

Answer 1
Answer: i think 8.75 x 10-2 is bigger than 4.35 x 10-4 because 8.75 is bigger than 4.35! hope i could get.

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donna wants to make trail mix made up of almonds walnuts and raisins she wants to mix one part almonds two parts walnuts and three parts raisins. almonds cost 12 per pound walnuts cost 9 dollars per pound and raisins cost 5 dollars per pound. donna has 15 dollars to soend on the trail mix determine how mant pounds of.trail mix she can make

Answers

1 part almond
2 parts walnut
3 parts raisins
6 parts in all.

almond = 12 per pound
walnuts = 9 per pound
raisins = 5 per pound

1/6 * 12 = 2
2/6 *   9 = 3
3/6 *   5 = 2.5
total         7.5

15/7.5 = 2 

almond: 2 * 2 = 4 ⇒ 4/12 = 1/3 pounds of almonds
walnut:   3 * 2 = 6 ⇒ 6/9 = 2/3 pounds of walnuts
raisins: 2.5 * 2 = 5 ⇒ 5/5 = 1 pound of raisins

1/3 + 2/3 + 1 ⇒ 1/3 + 2/3 + (1 *3/3) = 1/3 + 2/3 + 3/3 = 6/3 = 2 pounds of trail mix.

To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm. Which inequality can be used to represent the lengths of the glass that will fit in the frame

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12cm < x >12.2 cm is the inequality i would use

On a quiz, a student answered 56 questions correctly. This was 70%of the questions on the quiz. How many questions were on the quiz?

Answers

Answer:

80

Step-by-step explanation:

To find the percent of correct answers, we would divide the correct answers by total answers. And to find correct answers, we do questions multiplied by percentage. So we can just use the fact family to switch that around by doing questions correct divided by percentage.

56 / 70\% \n or \n 56 / .7

80

Answer:

80

Step-by-step explanation:

Which equation is an identity?A. 7m – 2 = 8m + 4 – m

B. 8y + 9 = 8y – 3

C. 11 – (2v + 3) = –2v – 8

D. 5w + 8 – w = 6w – 2(w – 4)

Answers

An identity is obtained when you substitute any value of x to an equation, both sides will give out the same answer. A trial-and-error method is best used for questions like these. The method is shown below:

Let: 1 = m = y = v = w

A. 7m – 2 = 8m + 4 – m

7(1) – 2 = 8(1) + 4 – (1)
5 =/= 11

B. 8y + 9 = 8y – 3

8(1) + 9 = 8(1) - 3
17 =/= 5

C. 
11 – (2v + 3) = –2v – 8

11 - (2(1) + 3) = -2(1) - 8
6 =/= -10

D. 
5w + 8 – w = 6w – 2(w – 4)

5(1) + 8 -1 = 6(1) - 2(1 - 4)
12 = 12

Therefore, the choice D is the identity.

If line segment is 100 feet, and line segment is 80 feet, what is the length of line segment ?

Answers

which, in theory, would be the third side of the triangle formed by these three lines, would be 60 feet.


Cathy volunteered to collect cans for a school project. cathy collected 125 cans in 5 days. there were 6 volunteers including cathy who each collected about the same number of cans. about how many cans did they collect ?

Answers

Everyone got 4 cans a day but one person got 5 cans everyday. How? 125/5, cans collect/number of day equals 25 cans a day if you divide by 6 you get 4.1 and they can't collect a fraction of a can so then you do 6*4=24 but you need 25 a day so one of the people got an extra can.

Answer: They collected 750 cans.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

  • Number of cans collected by Cathy: 125
  • Number of volunteers (including Cathy) : 6

So, calculate the total number of can that all the volunteers collected we have to simply multiply the number of cans that Cathy collected (125 ,Since each volunteer collected about the same number of cans) by the number of volunteers (6 including Cathy).  

125 x 6 = 750  cans.

Feel free to ask for more if needed or if you did not understand something.