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Margaret [11]
2 years ago
6

Lalo has 1,500 minutes per month on his cell phone plan. How many more minutes can he use if he has already talked for 785 minut

es in an inequality? Explain.
Mathematics
1 answer:
emmainna [20.7K]2 years ago
4 0

Answer:

All you have to do is subtract 1500-785 in order to find the number of minutes left for him.

1500-785=715 more minutes left



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The total square footage of wall space to be painted is 575 square ft. If a gallon of paint covers 250 square feet, how many qua
mars1129 [50]

5.75 quarts of paint required for the project

Explanation:

Usually one quart of paint cover 100 square feet

Since, a gallon covers 250 square feet, it means that

 one gallon of paint is equal to \frac{250}{100} =2.5 quarts of paint.

Number of gallon required to paint 575 square feet,

                                                                                        =\frac{575}{250} \\=2.3 gallons

So, 2.3 gallons is equal to,

                                                =2.3*2.5\\=5.75 quarts

Learn more:

brainly.com/question/18882920

5 0
1 year ago
An article reports Sales have grown by 30% this year to $200 million, what were sales before the growth?
Varvara68 [4.7K]

Answer:

Price before growth = $ 153.85 million

Step-by-step explanation:

Given:

Percentage = 30%

Rate after Increase =new value= $200 million

To Find:

Sales before growth =old value= ?

Solution:

We Know the formula for Percentage growth which is given by the formula

Percentage growth= \frac{Difference value}{old value}*100%

Now let old value = x

So

Difference = New Value - x

                  = 2000 - x

We have formula

Percentage growth= \frac{Difference value}{old value}*100%

Putting in values

30 %= \frac{Difference value}{old value}*100%

30 = \frac{Difference value}{old value}*100

Putting in values

30 = \frac{200-x}{x}*100

multiplying both sides by x

it becomes

30 x = (200-x)*100

Multiplying inside

30 x = 20000 - 100 x

Adding 100 x on both sides

30 x + 100 x = 20000 - 100 x + 100 x

it becomes

130 x = 20000

Dividing both sides by 130

\frac{130*x}{130}=\frac{20000}{130}

itgives us

x = $ 153.85 million

Price before growth = $ 153.85 million

8 0
2 years ago
In geometry, Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle by
aniked [119]

Answer:

  D.  37.947

Step-by-step explanation:

Heron's formula makes use of the value "s", the semi-perimeter. Here, ...

  s = (7 + 11 + 12)/2 = 15

Then the area is ...

  A = √(s(s -a)(s -b)(s -c)) = √(15·3·4·8) = √1440 = 12√10 ≈ 37.947

_____

<em>Comment on answer choices</em>

This value is verified by a triangle solver. We suspect a typographical error in the answer choices, specifically, selection D.

5 0
2 years ago
Which of the following shows the graph of y = –(2)x – 1? On a coordinate plane, a curve is level at y = 0 in quadrant 2 and then
Salsk061 [2.6K]

Answer:

On a coordinate plane, a curve is level at y = -1 in quadrant 3 and then decreases rapidly into quadrant 4. It crosses the y-axis at (0, -2).

Step-by-step explanation:

y = -2 ^x -1

6 0
2 years ago
Read 2 more answers
On a coordinate plane, a line is drawn from point K to point J. Point K is at (160, 120) and point J is at (negative 40, 80).
Nadusha1986 [10]

Answer:

the answer is (40,96)

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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