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vitfil [10]
3 years ago
7

In the equation y = ax3 what happens to y when a is quadrupled?

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0
Y is also quadrupled

Its d
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Use the chart below to answer the following questions...
Scilla [17]

a) Smith family spend  \$11208 per year to raise their child from 5 to 18 years old.

b) If the family decides to send their child to a 4-year public college, they will spend \$7500 per year

c) Valnez family will be pay \$12517 per year to raise the child from birth to 18 years old

d) \$15714 is the cost per year of raising a child from birth to 18 years old, and paying for 4 years of private college

Step-by-step explanation:

Part a) How much will the Smith family spend per year to raise their child from 5 to 18 years old? Round to the nearest dollar.

The cost from 5 to 18 years old is $145,700

Per year cost will be:

Divide the total amount by the number of years from 5 to 18 years. i.e 18-5 = 13 years

Cost per year: \frac{145700}{13}

Cost per year:\$11208

So, Smith family spend  \$11208 per year to raise their child from 5 to 18 years old.

Part b) If the family decides to send their child to a 4-year public college, how much will they spend per year?

The cost of 4 year Public College $30,000

Cost per year: \frac{30000}{4}

Cost per year: \$7500

So, If the family decides to send their child to a 4-year public college, they will spend \$7500 per year

Part c) How much will the Valnez family pay per year to raise the child from birth to 18 years old

Cost from Birth to 5 years old $79,600

Cost from 5 to 18 years old $145,700

Total\,\,cost = \$79,600+\$145,700\\Total\,\,cost =\$225300

Total years: 18

Cost per year: \frac{225300}{18}

Cost per year: \$12517

Valnez family will be pay \$12517 per year to raise the child from birth to 18 years old

Part d) What is the cost per year of raising a child from birth to 18 years old, and paying for 4 years of private college? Round to the nearest dollar.

From birth to 18 years (found in part c)

Cost from birth to 18 years: $225300

Cost of 4-year Private College: $120,400

Total Cost: \$225300+\$120,400

Total Cost: \$345700

Total years: 18+4 = 22

Cost per year: \frac{345700}{22}

Cost per year: \$15714

\$15714 is the cost per year of raising a child from birth to 18 years old, and paying for 4 years of private college

4 0
3 years ago
Write seven hundred eighty-six thousandths as a decimal number.
vekshin1

Answer:

0.786

Step-by-step explanation:

786/1000

0.786

3 0
3 years ago
Read 2 more answers
Which of the inequalities represents the statement "the absolute value of the difference of x and y is greater than 5"?
anzhelika [568]

Answer:

Step-by-step explanation:

The absolute value of the difference of x and y is represented by subtracting y from x and taking the absolute value of the entire expression; the correct answer is |x - y| > 5.

5 0
3 years ago
1) What is 15\50 in lowest terms
zaharov [31]
15/50 simplified would be 3/10 (divided by 5 on each side)
5/9 x 3/10 would be 15/90 or 1/6
1/4 divided by 3/5 would be 5/12, because when you divide fractions you flip the second fraction Ex: 1/4 divided by 3/5 would be 1/4 x 5/3
The prime factorization of 120 would be 2 x 2 x 2 x 3 x 5 or 2^3 x 3 x 5
3 0
4 years ago
I need help with this ASAP! I will give 25 pts.
Assoli18 [71]

Answer:

hope this helps!

Step-by-step explanation:

From y(t) = −16t^2 − 3t + 300 find at what time the fertilizer hits the ground (has height 0)

0 = −16t^2 − 3t + 300

Using the quadratic formula (minus b plus or minus the square root of b squared minus 2 a c over 2 a) you get

t = 4.237 seconds

So the horizontal distance is 85t = 85 * 4.237 = 360.145 feet

6 0
3 years ago
Read 2 more answers
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