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Delicious77 [7]
3 years ago
14

Solve for x. 7(2x + 6) = 1

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0

Answer: x=-\frac{41}{14}

Step-by-step explanation:

Apply the distributive property to get 14x + 42 = 1

Subtract 42 from both sides to get 14x = -41

Divide both sides by 14

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A painter needs to paint the bottom of a circular pool. The pool has a radius of 30 feet. A store sells 5-gallon cans of paint.
oksano4ka [1.4K]

Answer:

2 cans

Step-by-step explanation:

Given that :

Radius of pool = 30 feets

Using the relation for the Area of a circle :

Area = pi*r^2

Thus,

Area of pool = 3.14 * 30^2

Area of pool = 3.14 * 900 = 2826feet²

Paints are sold in cans of 5 gallon

5 gallon of paint = 1500 feet²

Least number of 5 gallon can required :

2826 feet² / 1500 feet² = 1.884 cans

Hence,

Least number of 5 gallon can required = 2 cans

7 0
3 years ago
Which statements are true about the rules of multiplication for signed numbers? Check all that apply.
Mekhanik [1.2K]

Answer:

i think that 1, 3 and 4 are correct !!

Step-by-step explanation:

youre welcome, have a nice day!

NOTE: next time please provide the list of choices so it can be easier to help you

4 0
4 years ago
Last year, 3,270 athletes finished a marathon in Lancaster. This year, there were 2,616 athletes finishing. What is the percent
padilas [110]

Answer:

20% decrease

Step-by-step explanation:

2516/3270 = 0.8 or 80%

This means 80% percent of people showed up again from last year

100-80 = 20

So 20% decrease

5 0
3 years ago
Last one, I hope. Please hurry!
ruslelena [56]
The median
The upper quartile range
The lower quartile range
4 0
4 years ago
Plz help this is urgent
Alex777 [14]

Answer:

A. 13 + t = 17

Step-by-step explanation:

The top rectangle shows 13 and t, the 13 and t rectangle is the same size as the 17 rectangle so 13 + t = 17. It's not multiplication as there's no multiple's of 13 or t on the diagram.

6 0
3 years ago
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