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salantis [7]
2 years ago
6

I really need help with number 12

Mathematics
1 answer:
Usimov [2.4K]2 years ago
5 0

Answer:

7.8125 gallons

Step-by-step explanation:

Because 5 gallons would cover 1600 square-foot wall so 1 gallon would cover:

1600 / 5 = 320 square-foot wall.

So to cover 2500 square foot-wall, we need in total of:

2500 / 320 = 7.8125 gallons of paint

Hope this can help you :3

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5
Svetradugi [14.3K]

Answer:

The right answer is:

Option OB: f(1) = -9

Common difference: 7

Step-by-step explanation:

Given sequence is:

-9, -2, 5, 12,...

Here the first number is f(1)

Common Difference:

Common difference is the difference between consecutive terms of an arithmetic sequence. It is denoted by d.

In the given sequence,

f(1) = -9

f(2) = -2

f(3) = 5

d=f(2)-f(1) = -2-(-9) = -2+9 = 7\\d = f(3)-f(2) = 5-(-2) = 5+2 = 7

Hence,

The right answer is:

Option OB: f(1) = -9

Common difference: 7

7 0
2 years ago
Ms.Lopez has 4 liters of chemicals that she is going to pour into beakers. Each beaker will have 1/4 of a liter of chemicals, ho
Yakvenalex [24]
It would be 256 because you would do 4 to the power of 4
6 0
3 years ago
Which equation matches the graph?
DIA [1.3K]

Answer:

y=3x-2

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Help me with 16,18 and 20
Mandarinka [93]
16: -7(5)= -35 ( REMEMBER THE MOUTH EATS THE BIGGEST NUMBER!)
     -6(-6)= 36   therefore 36 is greater than -35
18: they are exactly the same because in multiplication with inters it matters when the signs change. so 3(-6) = -18 ad -3(6)= -18 then -18=-18
20: Same as 18 where division has the same rules. if 8x5=40 then 40/8=5
-40/8=-5 and 40/(-8)=-5 then -5=-5
answers: 
8 0
3 years ago
Read 2 more answers
What are the steps to solve an inequality like: |n + 8| > 3 ??????
SCORPION-xisa [38]

|n+8|>3\iff n+8>3\ \vee\ n+8-5\ \vee\ n

6 0
3 years ago
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