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Dima020 [189]
3 years ago
8

PLEASE HELP FOR BRAINLIEST!!

Mathematics
1 answer:
wel3 years ago
5 0

Answer: \bold{y=\dfrac{24}{x}} ; indirect variation ; x = 2.4

<u>Step-by-step explanation:</u>

direct variation is when: \dfrac{y}{x}=k   ; where k is the constant rate

indirect variation is when: xy = k  ; where k is the constant rate

In the table provide: x * y = 24 for each coordinate provided, so this is indirect variation, with equation: y = \dfrac{24}{x}

since k = 24, then input y = 10 and k = 24 into the equation above:

10 = \dfrac{24}{x}

10x = 24

x = \dfrac{24}{10}

x = 2.4


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Solve to find x and y in the diagram. HELP ASAP!!
Lapatulllka [165]
X=12, y=7.5

Here is an explanation if you want to know how to do it:

First, look at the diagram and think about what you know so far. Since the lines are parallel, 5x+4y and 12y must be equal. We also know that there is a right angle, so since both angles are equal, 12y=90 and 5x+4y=90.

Solve for y by dividing 90 by 12 to get 7.5, so y=7.5. Sub in this value to the equation on top and you should get 5x+4(7.5)=90 4(7.5)=30, so subtract that from 90 to get 60 and divide 60 by 5 to get 12, so x=12.
5 0
3 years ago
true or false. the absolute value of. number will always be greater than the number itself. justify ur answer
swat32

false have a great day

6 0
2 years ago
Help me please don’t need an explanation just a quick answer
Vikki [24]
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5 0
3 years ago
10x +7 = -3х – 3 help guys
Pepsi [2]

Answer:

x = -10/13

Step-by-step explanation:

10x + 7 = -3x - 3

Add 3x to both sides

10x + 3x + 7 = -3x + 3x - 3

13x + 7 = 0x - 3

13x + 7 = -3

Subtract 7 from both sides

13x + 7 - 7 = -3 - 7

13x + 0 = -10

13x = -10

Divide both sides by 13

13x ÷ 13 = -10 ÷ 13

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x = -10/13

6 0
3 years ago
Mr. Larsen's third grade class has 22 students, 12 girls and 10 boys. Two students must be selected at random to be in the fall
kupik [55]

The probability of no boys being chosen will be 0.29.

<h3>What is probability?</h3>

Its basic premise is that something will almost certainly happen. The percentage of favorable events to the total number of occurrences.

Mr. Larsen's third-grade class has 22 students, 12 girls, and 10 boys.

Two students must be selected at random to be in the fall play.

Then the probability of no boys being chosen will be

Total event = ²²C₂ = 231

Favorable event = ¹²C₂ = 66

Then the probability will be

P = 66 / 231

P = 0.2857

P ≅ 0.29

More about the probability link is given below.

brainly.com/question/795909

#SPJ1

4 0
2 years ago
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