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anastassius [24]
3 years ago
11

What is the constant of proportionality between y/x

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0

Answer:

3.5

Step-by-step explanation:

To find the constant of proportionality between y/x you investigate the trend in values of x with corresponding values of y

For this case, when x =1, y=3.5

                       when x=2, y=7

                       

Taking in case 1, y/x = 3.5/1 = 3.5

In case 2, y/x= 7/2 = 3.5

But you know that the constant of proportionality k is given by;

y=kx------------------------making k subject of formula

y/x=k

Hence in this case, your constant of proportionality is 3.5

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4. (4)5 =<br> a. 12<br> b. 13<br> c. 14<br> d. 15
Airida [17]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

  • (4 {}^{3} ) {}^{5}

  • (4{}^{3 \times 5} )

  • 4 {}^{15}

therefore, the Correct choice is d) 15

6 0
2 years ago
Read 2 more answers
Please help with #20
abruzzese [7]

Answer:

The answer is 9 or 8 because they both are on the same fx

6 0
2 years ago
Enter the value of C when the expression 21.2x+c is equivalent to 5.3(4x-2.6)
likoan [24]
Make the equations equal to each other to find x. 

21.2x+c=5.3(4x-4.6)

Now distribute. 

21.2x+c=21.2x-24.38

So c= -24.38
4 0
3 years ago
Read 2 more answers
At noon the temperature was 12 degrees and went up throughout the day. If the temperature was no more than 36 degrees. How many
kramer

Answer:

B

Step-by-step explanation:

Hope this helps :D

6 0
3 years ago
Phineas puts $800 into a certificate of deposit that earns 3.39%. If the money is compounded monthly, how much will it be worth
arlik [135]

It will be worth $885.51 in 3 years

Step-by-step explanation:

The formula for compound interest, including principal sum is:

A=P(1+\frac{r}{n})^{nt} , where:

  • A is the future value of the investment/loan, including interest
  • P is the principal investment amount  
  • r is the annual interest rate (decimal)
  • n is the number of times that interest is compounded per unit t
  • t is the time the money is invested or borrowed for

∵ Phineas puts $800 into a certificate of deposit

∴ P = 800

∵  The rate of deposit is 3.39%

∴ r = 3.39% = 3.39 ÷ 100 = 0.0339

∵ The money is compounded monthly

∴ n = 12

∵ t = 3

- Substitute these values in the formula above

∴ A=800(1+\frac{0.0339}{12})^{12(3)}

∴ A=800(1.002825)^{36}

∴ A = 885.51407

- Round it to the nearest cent ⇒ hundredths place

∴ A = 885.51

It will be worth $885.51 in 3 years

Learn more:

You can learn more about the interest in brainly.com/question/3614284

#LearnwithBrainly

8 0
3 years ago
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