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Alisiya [41]
2 years ago
15

Plss help ill mark brainlist

Mathematics
1 answer:
disa [49]2 years ago
5 0

Answer:

24

Step-by-step explanation:

I don't really know how to explain sorry qwq

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Suppose that y varies inversely as x, and x=9 when y=15. Find the value for k and write the function. Group of answer choices La
Radda [10]

Answer:

see explanation

Step-by-step explanation:

Given that y varies inversely as x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition that x = 9 when y = 15

15 = \frac{k}{9} ( multiply both sides by 9 )

k = 135

y = \frac{135}{x} ← equation of variation

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Haley is twice as old as Riley. The sum of their ages is 39. Write an equation that represents (x) , Riley's age.
kenny6666 [7]

Answer:

X=39×2. Answer: 39×2= 78

6 0
3 years ago
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Which of the following is an example of perpendicular lines
lozanna [386]

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B...........................................................

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2 years ago
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Help me solve this problem
SIZIF [17.4K]

Step-by-step explanation:

i don't get the question

8 0
2 years ago
Need help on question 4??
Anit [1.1K]

HK consists of two part, HJ and JK

HK = HJ + JK

We know that:

HK = 12.2ft

JK = 3.1ft

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Let's plug our values into the equation above.

12.2ft = HJ + 3.1ft

Subtract 3.1ft from both sides.

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