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Evgen [1.6K]
3 years ago
5

Write 2.4 as a rational number

Mathematics
1 answer:
goldenfox [79]3 years ago
7 0

Answer:

\frac{12}{5}

Step-by-step explanation:

2.4

Convert the decimal number into a fraction

\frac{24}{10}

Reduce the fraction with 2

\frac{12}{5}

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A backyard pool has a concrete walkway around it that is 5' wide on all sides the total area of the pool and the walkway is 950'
Soloha48 [4]

The dimensions of the pool would give a quadratic equation x² + 28x - 770 = 0

<h3>How to determine the dimension</h3>

For the pool, we have that;

Let the width = x feet

Length = (x+8) feet

The pool alongside the walkway gives;

Width = x + 5 + 5 = (x + 10) feet

Length = x + 8 + 5 + 5 = (x + 18) feet

Total area of the pool with walkway = 950 square feet

Note that formula for area is given as

Area = length * width = 950

Equate the length and width

(x+18)  × (x + 10) = 950

Using the  FOIL method, we have;

(x × x )+ (x × 10) + (18 × x) + (18 × 10) = 950

x² + 10x + 18x + 180 -950 = 0  

collect like terms

x² + 28x - 770 = 0

Thus, the dimensions of the pool would give a quadratic equation x² + 28x - 770 = 0

Learn more about area of a rectangle here:

brainly.com/question/14137384

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3 0
2 years ago
Express each ratio as a fraction in simplest form 3 gallons to 15 quarts
Blizzard [7]
3/15 or 1/5 is the fraction in simplified form.
5 0
3 years ago
Read 2 more answers
Your baseball team is selling bags of popcorn to raise money for a trip. For each bag of popcorn you sell, $4 goes towards your
Minchanka [31]

Answer:

4x \geq 140; You need to sell at least 35 bags

Step-by-step explanation:

Every 1 bag of popcorn is sold, $4 is put into the trip.

4x

You hope to earn at least $140.

4x ≥ 140

Divide by 4 on both sides.

x ≥ 35

You need to sell 35 bags or more to get $140.

Your welcome!

Kayden Kohl

8th Grade Student

7 0
3 years ago
What is the slope of the line through the points (4,2) and (-16,-6)
Maslowich

Answer:

2 / 5.

Step-by-step explanation:

The slope is the rise over the run.

In this case, the rise is 2 - (-6) = 2 + 6 = 8.

The run is 4 - (-16) = 4 + 16 = 20.

So, the slope is 8 / 20 = 4 / 10 = 2 / 5.

Hope this helps!

7 0
4 years ago
Read 2 more answers
What is the value of m in the equation 5m − 7 = 6m 11? 18 1 −18 −1.
riadik2000 [5.3K]

Answer: 18

Step-by-step explanation: 5m - 7 = 6m + 11

Solve for M

5m - 6m = 11+ 7

-m = 18

Divide both sides by -1

-m/-1 = 18/-1

m = -18

4 0
3 years ago
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