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Marina86 [1]
3 years ago
7

1. X= 2- y X + 3y = 56

Mathematics
1 answer:
just olya [345]3 years ago
5 0

Answer:

(-25,27)

Step-by-step explanation:

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divide the number 120 into three parts such that the first and second are twice and three times the third respectively HELP MEEE
Misha Larkins [42]

Answer:

Step-by-step explanation:

Step by step:

8 0
3 years ago
A crowd of people stood on both sides of the street to view a 4th of July Parade.
Dmitriy789 [7]

Given :

Length of parade , L = 3\ miles=3\times 5280\ miles = 15840\ miles .

Breadth of parade , B=2\times 15=30\ ft .

5 people can fit into a 25\ ft^2 area.

1 mile = 5280 ft .

To Find :

The size of the crowd.

Solution :

Area of parade ,

A=15840\times 30\ ft^2\\\\A=475200\ ft^2

Also , 5 people can fit in 25\ ft^2 area .

So , number of people fit in A is :

n = \dfrac{475200\times 5}{25}\\\\n=95040

Therefore , 95040 can fit in the parade .

Hence , this the required solution .

6 0
3 years ago
► Find the percent change and tell whether it is a percent increase or a
Jlenok [28]

Answer:

1 Original amount: 20

End amount: 15

<h3>(20 - 15)/20 x 100 = (5/20) x 100 = 25% decrease</h3>

2 Original amount: 30

End amount: 45

<h3>(45 - 30)/30 x 100 = (15/30) x 100 = 50% increase </h3>

3 Original amount: 625

End amount: 550

<h3>550/625 =550 ÷ 625 =0.88</h3><h3>0.88 =0.88 × 100/100 =(0.88 × 100)/100 =88/100 =88% decrease</h3>

4 Original amount: 320

End amount: 112

<h3>(112-320):320x100 =</h3><h3>100 =(112:320-1)x100 =</h3><h3>100 =35-100 = -65% decrease</h3>

5 Original amount: 165

End amount: 222.75

<h3>165/222.75 =165 ÷ 222.75 ≈0.740740740740741</h3><h3>0.740740740740741 =0.740740740740741 × 100/100 =(0.740740740740741 × 100)/100 ≈74.074074074074/100 =74.074074074074% ≈74.07% Increase </h3>

6 Original amount: 326

End amount: 423.80

<h3>(423.8-326):326x100 =</h3><h3>100 =(423.8:326-1)x100 =</h3><h3>100 =130-100 = 30% Increase </h3>

7 Original amount: 27

End amount: 38.61

<h3>(38.61-27):27x100 =</h3><h3>100 =(38.61:27-1)x100 =</h3><h3>100 =143-100 = 43% Increase</h3>

8 Original amount: 60

End amount: 70.02

<h3>(70.02-60):60x100 =</h3><h3>100 =(70.02:60-1)x100 =</h3><h3>100 =116.7-100 = 16.7% Increase</h3>

7 0
3 years ago
What is the range of the function? (5,9) (1,0) (4,-7) (6,-1)
gogolik [260]
The range of the function is {-7, -1, 0, 9}.

These are all of the y values in the ordered pairs, which is the definition of what range is. 
5 0
3 years ago
Express the ratio 6 ounces to 3 cups as a fraction in simplest form​
Volgvan

Hi there!

simplest ratio form: 2:1

<em><u>1.Find commonest denominator:</u></em>

<em><u /></em>6*3=3*3<em><u /></em>

<em><u>2.Divide both with the term:</u></em>

<em><u /></em>6*3=2+3*3=1=2:1<em><u /></em>

Therefore, simplest ratio form would be 2:1. This also means that 2 ounces would be 1 cup.

5 0
3 years ago
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