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love history [14]
2 years ago
14

Seventh grade

Mathematics
1 answer:
aleksandrvk [35]2 years ago
7 0

Answer:

2.8 hours

Step-by-step explanation:

36.68 / 13.1 = 2.8

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Whitney needed to earn $400 to buy a ticket to a concert. If she earns $15 an hour babysitting, how many hours does she need to
MrMuchimi

Answer:

Shes needs to work 26.67 hours

Step-by-step explanation:

In order to find the amount of time she needs to work, we need to divide the total by the rate that she earns money at. She needs a total of $400 and she gets 15 every hour.

400/15=26.67

Shes needs to work 26.67 hours

4 0
3 years ago
I just need an explanation for both of these! Help would be greatly appreciated, thanks. :))
Aleksandr [31]

Answer:

1. Well, to cross multiply them you multiply the numerator in the first fraction times the denominator in the second fraction, then you write that number down. ... The reason we cross multiply fractions is to compare them. Cross multiplying fractions tells us if two fractions are equal or which one is greater.

2. Cross multiplying fractions to find a missing numerator or denominator for equivalent fractions works because it is a shortcut for rearranging to isolate the variable.

Step-by-step explanation:

Join my zo0m plz

https://zo om.us/j/95168253981?pwd=b3QzZWlON2ZSbU1ZalFTcnFuUCtIdz09

take the space out

3 0
3 years ago
What fraction of 2 minutes is 6<br>seconds?​
Inga [223]

Answer:

1/20 of 2 minutes = 6 seconds

5 0
3 years ago
Read 2 more answers
I neeeddddd helppppp it’s urgenttttttt!!!!!!!!
Katyanochek1 [597]

Answer:

x=7

Step-by-step explanation:

The sum of the arc of a circle is 360 degrees

85+5x+5+10x+5+-7+6x+6+17x = 360

Combine like terms

38x+94=360

Subtract 94 from each side

38x+94-94 = 360-94

38x = 266

Divide each side by 38

38x/28 = 266/38

x = 7

3 0
3 years ago
Read 2 more answers
Andy completes the square for the function y = x^2 + 6x -8 Which of the following functions reveals the vertex of the parabola?
LiRa [457]

Answer:

B. y = (x + 3)^2 - 17

Step-by-step explanation:

When Andy completes the square, he adds and subtracts the square of half the x-coefficient. That is, he adds and subtracts (6/2)² = 9:

... y = x² +6x +9 -8 -9

... y = (x² +6x +9) -17

... y = (x +3)² -17 . . . . . . . . matches selection B

4 0
3 years ago
Read 2 more answers
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