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svp [43]
3 years ago
10

Marvin used the money he received from

Mathematics
1 answer:
Kay [80]3 years ago
7 0

Answer:

<em>Correct choice: C. $320</em>

Step-by-step explanation:

<u>Simple Interest</u>

Definition: Interest calculated on the original principal only of a loan or on the balance of an account.

Unlike compound interest where the interest earned in the compounding periods is added to the new principal, simple interest only considers the principal to calculate the interest.

The interest earned is calculated as follows:

I=P.r.t

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Marving is saving money in a savings account with a simple interest rate of r=7.5%=0.075. It's known that after t=12 years, the account had earned $288 interest. Substituting in the formula:

288 = P*0.075*12

Calculating:

288 = 0.9P

Dividing by 0.9:

P = $320

Correct choice: C. $320

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7x = 2y solve for y in terms of x <br> Y=?
Vlad1618 [11]

Answer:

7x/2

Step-by-step explanation:

7x=2y

1) Divide both sides by 2:

y=7x/2

8 0
4 years ago
If you can, please tell how you solved
gizmo_the_mogwai [7]

Answer:

plzz mark me brainlieat if it helps you

x+67 + x+127 = 180

or, 2x + 194 = 180

2x = - 14

: . x = -7

8 0
2 years ago
Which situations can be represented by isometric transformations? Check all that apply. A photo is projected from a computer int
Romashka-Z-Leto [24]

Answer:

The correct options are;

A circular game piece is moved three squares forward

The flag on a mailbox is turned up

Step-by-step explanation:

An isometric transformation also known as isometry, is the rigid motion transformation or movement that preserves the shape, angles, and distances between of a pre-image (object) and the final image.

Rotation, reflection, translation (parallel motion), glide deflection (transformation involving translation and reflection) such as snow footprints are forms of isometric transformation.

6 0
4 years ago
Read 2 more answers
The 10th grade class at Central high school was surveyed about whether they liked running or swimming. Of those surveyed, 58% sa
melisa1 [442]

Answer:

24% of those surveyed liked neither

Step-by-step explanation:

Set concepts:

We use set concepts to solve this question.

I am going to say that:

P(A) is the percentage of people that liked to swim.

P(B) is the the percentage of people that liked to run.

The percentage of people that liked at least one of these activities is:

P(A \cup B) = P(A) + P(B) - P(A \cap B)

In which P(A \cap B) is the probability that a person liked both these activities.

The percentage of people that liked neither is:

P = 1 - P(A \cup B)

Of those surveyed, 58% said they liked to swim and 36% said they liked to run.

This means that P(A) = 0.58, P(B) = 0.36

18% said they liked both swimming and running

This means that P(A \cap B) = 0.18

What percent of those surveyed liked neither?

At least one:

P(A \cup B) = 0.58 + 0.36 - 0.18 = 0.76

Neither:

P = 1 - P(A \cup B) = 1 - 0.76 = 0.24

24% of those surveyed liked neither

4 0
4 years ago
The football team lost three yardsOn the first play game 5 yards on the second play in lost to yards on the third play represent
timurjin [86]

Answer:

Total lost yards = 10 yards  

Step-by-step explanation:

Given:

First match = lost 3 yards

Second match = lost 5 yards

Third match = lost 2 yards

Find:

Total lost yards

Computation:

Total lost yards = First match + Second match + Third match

Total lost yards = 3 yards + 5 yards + 2 yards

Total lost yards = 10 yards  

8 0
4 years ago
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