Ask question

Ask question

All categories

DanielleElmas [232]

3 years ago

6

a triangular pyramid has a volume of 840 cubic inches. the triangular base has a base length of 20 inches and a height of 21 inc

hes. find the height of the pyramid.

1 answer:

alisha [4.7K]3 years ago

8 0

The answer is 2. have a nice day!

You might be interested in

Which shapes have exactly one line of symmetry?

Aleksandr [31]

Answer:

D.

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Evaluate 4(-9) i need help lol

PIT_PIT [208]

Answer:

-36

Step-by-step explanation:

How are you in college lol

8 0

2 years ago

Read 2 more answers

Solve for n: -1/2 (n + 8) +3/4

vlabodo [156]

$\frac{1}{2} (n+8) + \frac{3}{4}$

$\frac{1(n+8)}{2} + \frac{3}{4}$

$\frac{n+8}{2} + \frac{3}{4}$

$\frac{2(n+8)}{4} + \frac{3}{4}$

$\frac{2(n+8) + 3}{4}$

$\frac{2n + 16 +3}{4}$

$\frac{2n + 19}{4}$

7 0

1 year ago

Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Quincy and his mo

Vikentia [17]

Step-by-step explanation:

rc = planted rows of carrots

rt = planted rows of tomatoes

h = number of hours

rc = 4h + 1 (starting with 1 already finished row there will be 4 additional rows every hour)

rt = 3h + 8 (staying with 8 already finished rows there will be 3 additional rows every hour).

when will they have planned the same number of rows ?

when rc = rt, of course.

so,

4h + 1 = 3h + 8

h = 7

4×7 + 1 = 28 + 1 = 29 rows

after 7 hours Quincy and his mom will each have planted 29 rows of vegetables.

8 0

2 years ago

Suzanne is looking at taking out a personal loan. Opportunity Loans is offering her $1600 at 3.45% for 1 year, with interest com

AleksAgata [21]

Step-by-step explanation:

So the general formula for compound interest is $A = P(1+\frac{r}{n})^{nt}$ where r is the interest rate, t is the time in years, and n is the amount of compounds per year. So plugging in the values for both equations you'll get

Opportunity Loans:

$A = 1600(1+\frac{0.0345}{12})^{(12)(1)}$

$A = 1600(1.002875)^{12}$

$A \approx 1600(1.035)$

$A = \$1,656.08$

Now to find the interest accrued on this loan you simply subtract 1600 from the A or final amount

$Interest=1656.08-1600\\Interest=56.08$

General Loans:

$A = 1600(1+\frac{0.042}{4})^{(4)(1)}$

$A = 1600(1.0105)^4$

$A \approx 1600(1.042)$

$A = 1,668.27$

To find the interest we do the same thing we did in the previous problem

$interest = 1668.27-1600\\interest=68.27$

Opportunity loans has the least amount of interest after a year

8 0

1 year ago