All categories

3 years ago

18y-18 + 6y = 180 What does this equal

Mathematics

1 answer:

muminat3 years ago

5 0

Answer:

y = -16.5

Step-by-step explanation:

18y - 18 + 6y = 180

-18y - 18 + 6y (-18y) = 180

-18 - 12y = 180

+18 - 12y = 180 (+18)

-12y = 198

198/-11 = -16.5

You might be interested in

The mean number of people per day visiting an art show in July was 110. If

TiliK225 [7]

Answer:

I believe the answer is A. 130

3 0

3 years ago

How many terms are in this expression? 5x+11

Alexxandr [17]

Answer:

Step-by-step explanation:

5x is one term

+11 is another term

5 0

2 years ago

Read 2 more answers

Enter the sum of numbers as a product of their GCF.

adelina 88 [10]

Answer:

4, 7 ,2

Step-by-step explanation:

5 0

3 years ago

Suppose you have $10,000 to invest. Which of the two rates would yield the larger amount in 4 years. 7% compounded quarterly or

GalinKa [24]

$K=\$10,000\ \ \ and\ \ \ Sum=K\cdot(1+ \frac{p}{100})^n\\----------------------- \\1)\ \ \ 7\%\ quarterly\\\\ \ \Rightarrow\ \ \frac{1}{4} \cdot7\% =1.75\%\ \ annually\ \ \Rightarrow\ \ p=1.75\\\\ quarterly\ \Rightarrow\ \ 4\ times\ annually\ \Rightarrow\ \ 16\ times\ in\ 4\ years\ \Rightarrow\ \ n=16\\\\Sum(7\%)=\$10,000\cdot(1+ \frac{1.75}{100})^{16}=\\ \\.\ \ \ \ \ \ \ \ \ \ \ \ =\$10,000\cdot(1+0,0175)^{16}\approx\$13199.29\\------------------------\\$

$2)\ \ \ 6.94\%\ daily\\\\ \ \Rightarrow\ \ \frac{1}{365} \cdot6.94\% \approx0.019\%\ \ annually\ \ \Rightarrow\ \ p=0.019\\\\ daily\ \Rightarrow\ 365\ times\ annually\ \Rightarrow\ 1420\ times\ in\ 4\ years\ \Rightarrow\ n=1420\\\\Sum(6.94\%)=\$10,000\cdot(1+ \frac{0.019}{100})^{1420}=\\ \\.\ \ \ \ \ \ \ \ \ \ \ \ =\$10,000\cdot(1+0,00019)^{1420}\approx\$13096.69\\---------------------------\\\$13,199.29 > \$13,096.69\\\\Ans.\ the\ larger\ amount\ gives\ the\ compounded\ quarterly.$

5 0

3 years ago

If h = 9 units and r = 5 units, then what is the volume of the cone shown above?

dexar [7]

Answer:

Answer = 235.5

Step-by-step explanation:

Cone volume formula is V = 1/3 * pi * r^2 * h

V = 1/3 * 3.14 * 5^2 * 9

V = 235.5

6 0

3 years ago