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Westkost [7]
3 years ago
6

8. Evaluate 5y - 2x for x = 4 and y = 2.

Mathematics
2 answers:
kykrilka [37]3 years ago
8 0

Answer:

2

Step-by-step explanation:

5y-2x

5(2)-2(4)

10-8=2

andriy [413]3 years ago
7 0

Answer:

2

Step-by-step explanation:

Instead of writing y and x, we must write their values

= 5(2) - 2(4)

and we solve it

= 10 - 8

= 2

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Please help
MakcuM [25]
Hello there!

To find this, we must simplify this equation.

first, let's simplify the right side

-1 * x = -x

-1 * 5 = -5

Now, we have: y -3 = -x -5

Now we must add + 3 to each side to get rif of the negative three

now we have y = -x - 2

So, your answer is B.) y= -1x - 2

I hope my answer was of assistance!

~ Fire
7 0
3 years ago
Read 2 more answers
What is 45% of 16? <br> Please show your work
Bezzdna [24]
7.2

Work: 45% x 16=
(45/100) x 16=
(45x16) / 100=
720/100=
7.2
5 0
3 years ago
Read 2 more answers
The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 peopl
laiz [17]

Answer: The waiting time will be 32 minutes when 240 people in line.

Step-by-step explanation:

Let us assume that the waiting time is directly proportional to the number of people in the queue.

Equation of direct proportion between variables x and y :  \dfrac{x_1}{y_1}=\dfrac{x_2}{y_2}

Put x_1=20,\ y_1=150,\ y_2=150  to find  x_2.

\dfrac{20}{150}=\dfrac{x_2}{240}\\\\\Rightarrow\ x_2=\dfrac{20}{150}\times240\\\\\Rightarrow\ x_2=32

Hence, the waiting time will be 32 minutes when 240 people in line.

3 0
3 years ago
Read 2 more answers
Consider the natural numbers from 1 to 25. Write the prime numbers between 1 to 25. What fractions of these natural numbers are
Len [333]

Step-by-step explanation:

Natural numbers are numbers that include positive integers.

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25

Prime numbers are numbers that are greater than 1 and has only two factors

2,3,5,7,11,13,17,19,23

What Fractions of natural number are prime number?

9/25

3 0
3 years ago
Select the correct answer.
Rudiy27
Yes you are correct! :)
3 0
3 years ago
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