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2 years ago

8

Justin has a savings account.

2 answers:

Nataly_w [17]2 years ago

7 0

<h3>Answer: 220 dollars</h3>

==========================================================

Explanation:

After 10 weeks, he'll deposit a total of 15*10 = 150 dollars on top of the $70 already in the account. This means the grand total is 150+70 = 220 dollars

If you need to use algebra, then an algebraic expression you can use is 70+15x where x is the number of weeks. Replace x with 10 and you'll end up with 70+15*10 = 70+150 = 220. It's effectively the same idea and steps as the previous paragraph, but now we're involving a variable.

andrey2020 [161]2 years ago

6 0

Answer:

220

Step-by-step explanation:

Multiply 15 times 10 =150

150+70=220

Hope this helps :)

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Find the annual interest rate.

lidiya [134]

Answer:

12.05%

Step-by-step explanation:

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2 years ago

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(Will mark brainest)If it rains tomorrow the probability is 0.6 that James will practice piano. if it doesn't rain tomorrow ther

sergiy2304 [10]

Answer:

0.64

Step-by-step explanation:

P(J / R) = P (J and R) / P(R)

0.8 = P (J and R) / 0.6

P (J and R) = 0.6 * 0.8 = 0.48 [Probability John practicing and it is raining]

P(J / NR) = P (J and NR) / P(NR)

0.4 = P (J and NR) / (1 - 0.6) = P (J and NR) / 0.4

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Hence;

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7 0

3 years ago

What is the conditional frequency of a student who rides the bus being late to class first period?

Novosadov [1.4K]

Answer:

1/5

Step-by-step explanation:

The Constraint is ; those who rode the bus, hence it is conditional because we aren't focused on students, only students who rode the bus.

Now we want the frequency of those who were late Given that they rode the bus : for these we have 3 students

Total number of students who rode the bus , total possible outcome = 15

Hence, the conditional frequency = (number who rode bus and were late / otal number who rode the bus)

Hence, we have ; 3 / 15 = 1 / 5

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3 years ago

What is the height of a cone if the radius is 3 and the volume is 40π

SOVA2 [1]

Is the 3 inch or what but if it is it’s
Then the height of the cone is 11.537

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1 year ago

Select the correct answer. Which line has a y-intercept of 2 and an x-intercept of -3? W. X. Y. Z. A. W B. X C. Y D. Z

oksano4ka [1.4K]

Answer:

$y = -\frac{2}{3}x + 2$

Step-by-step explanation:

The question is incomplete, as the graphs or equations of the lines are not given.

However, I will give a general explanation of calculating both intercepts

A linear equation is of the form:

$y = mx + b$

Where:

$b \to$ y intercept

So, the equation

$y = -\frac{2}{3}x + 2$

has 2 as its y-intercept

Set y to 0, to calculate the x-intercept

$0 = -\frac{2}{3}x + 2$

Collect like terms

$\frac{2}{3}x = 2$

Multiply by 3/2

$x = 2 * \frac{3}{2}$

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So, the equation with the required criteria is:

$y = -\frac{2}{3}x + 2$

8 0

2 years ago