MATHEMATICS HIGH SCHOOL

Anita has $300 in her savings account that earns 5% annually. The interest is not compounded. How much interest will she earn in 1 year?

Answers

Answer 1
Answer:

Answer:

$15

Step-by-step explanation:

We are given that

Anita has money in her saving account=$300

She earns annually=5%

We have to find the value of interest she will earn in 1 year when the interest is not compounded.

P=300, r=5%,t=1

To find the value of interest we will use the formula of simple interest.

Simple interest,I=(P* r* t)/(100)

Substitute the values in the formula then, we get

Interest=(300* 5* 1)/(100)=15

Hence, she will earns interest in 1 year=$15
Answer 2
Answer: 300 x 0.05 = 15

So she will earn $15 of interest in 1 year

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Solve the multi-step equation by combining like terms and using inverse operations and the properties of equality.Equation: –4x – 5 + 2x = –11

What is the value for x?

Answers

The value of x for the expression -4x - 5 + 2x = -11 is 3.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

-4x - 5 + 2x = -11 is an equation.

We have,

-4x - 5 + 2x = -11

Combine like terms.

-2x - 5 = -11

Add 5 on both sides.

-2x = -11 + 5

-2x = -6

Divide both sides by -2.

x = 3

Thus,

The value of x is 3.

Learn more about equations here:

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Answer:

x = 3

Step-by-step explanation:

-4x - 5 + 2x = -11

add 5 to both sides and cancel the -5 on the left

-4x + 2x = -6

combine -4x and 2x

-2x = -6

divide both sides by -2 and cancel the -2 on the left

x = 3

For the function f(x) = –(x + 1)^2 + 4, identify the vertex, domain, and range. a. The vertex is (–1, 4), the domain is all real numbers, and the range is y ≥ 4.
b. The vertex is (–1, 4), the domain is all real numbers, and the range is y ≤ 4.
c. The vertex is (1, 4), the domain is all real numbers, and the range is y ≥ 4.
d. The vertex is (1, 4), the domain is all real numbers, and the range is y ≤ 4.

Answers

b; you can graph the function on a graphic calculator or use algebra find each of the desired aspects

Answer:

the answer is B

Step-by-step explanation:

the domain equals to be (-1,4) and a equals more than 0 so it is y ≤ 4

Suppose is a semester that 38% of students at a college failed mathematics, 27% failed physics, and9% failed both. A student is selected at random.
a)If a student failed physics, what is the probability that he or she failed math?
b)If a student failed math, what is the probability he or she failed physics?
c) What is the probability that he or she failed math or physics?

Answers

=>  38% of students at a college failed mathematics
 => 27% failed physics, and=> 9% failed both. A student is selected at random.

a)If a student failed physics, what is the probability that he or she failed math?
=> 1/38 
b)If a student failed math, what is the probability he or she failed physics?
=> 1/27
c) What is the probability that he or she failed math or physics?
=> 1/9

Can you help me solve this please?

Answers

Answer:

HERE

Step-by-step explanation:

To determine which system has x = 3 and y = 2.5 as its solution, we need to substitute these values into each system of equations and check which one satisfies the conditions.

System 1: 7x - 5y = 33.5

Substituting x = 3 and y = 2.5:

7(3) - 5(2.5) = 21 - 12.5 = 8.5

System 2: 3x + 3y = 1.5

Substituting x = 3 and y = 2.5:

3(3) + 3(2.5) = 9 + 7.5 = 16.5

System 3: 4x + y = 9.5

Substituting x = 3 and y = 2.5:

4(3) + 2.5 = 12 + 2.5 = 14.5

System 4: 5x - y = 12.5

Substituting x = 3 and y = 2.5:

5(3) - 2.5 = 15 - 2.5 = 12.5

System 5: 2x - 5y = 18.5

Substituting x = 3 and y = 2.5:

2(3) - 5(2.5) = 6 - 12.5 = -6.5

System 6: x + y = 5.5

Substituting x = 3 and y = 2.5:

3 + 2.5 = 5.5

System 7: 11x + 10y = 8

Substituting x = 3 and y = 2.5:

11(3) + 10(2.5) = 33 + 25 = 58

System 8: 5x - 2y = -20

Substituting x = 3 and y = 2.5:

5(3) - 2(2.5) = 15 - 5 = 10

From the calculations, we can see that only System 4: 5x - y = 12.5 satisfies the given conditions when x = 3 and y = 2.5. Therefore, the correct answer is System 4.

A shipping box has the dimensions shown 1/4 1/4 and 1/2, What is the volume of the box in cubic yards.First 3 people get a brainly

Answers

Step-by-step explanation:

what is the unit of measurement for the 1/4, 1/4, and 1/2?

A particular computer takes 11 minutes to download a 44 minute TV show. How long will it take the computer to download a 1.5 hour movie?

Answers

44/11= 4
4 minutes of the movie are downloaded each minute.
1.5 hours= 90 min
90/4= 22.5 minutes
Divide 44 by 11 which equals 4Then 1.5 is 1 hour and 30 minutes so add 60 +30 Which equals 90Then multiply 90 ×4 = 360 minutes
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