MATHEMATICS HIGH SCHOOL

Sara bought a soft drink for 4 dollors and 9 candy bars. she spent a total of 49 dollors. how much did each candy bar cost

Answers

Answer 1
Answer: $5 for each candy bar

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MIDDLE SCHOOL

How much food can this container hold ? Express your answers in terms of pi

Answers

Answer:

where is the questions

Step-by-step explanation:

HIGH SCHOOL

Evaluate the expression.

−87−5−13=

Answers

Hello.

The answer is: -105

−87−5−13

=−92−13

=−105

Have a nice day

HIGH SCHOOL

The angles of a triangle are 99°, 3x°, and x + 5°. What is the value of x?

Answers

Sum of all angles in a triangle is 180°

99 +  3x + x + 5 = 180    | Sum of all the 3 angles = 180
4x + 104 = 180                | Combine like terms
4x = 76                            | take away 104 from both sides        
x = 19°                             | Divide by 4 on both sides


Answer: x = 19°
X = 19 degrees.
_____
COLLEGE

After 7 years, Amber earned $1575 in simple interest from a cd into which he initially deposited $6000. What was the annual interest rate

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MIDDLE SCHOOL

A computer that originally cost $850 is on sale for 15% off.what is the sale price of the computer

Answers

The answer would be $722.50
56.666666667 I think..............
MIDDLE SCHOOL

Alex buys 2 1/2 pounds of grapes. He buys 1 1/4 times as many pounds of apples as grapes. How many pounds of apples does he buy?

Answers

So if, 2 1/2 = 5/2 and 1 1/4 = 5/4,
then 5/2 * 5/4 = 5*5 / 2*4 = 25/8 is simplified to 3 1/8 pounds.
Grapes = 2 1/2 pounds = 5/2 pounds
Apples = 1 1/4 times grapes = 5/4 times grapes

Apples = 5/4 * 5/2 = 25/8 pounds = 3 1/8 pounds
COLLEGE

If your ice cream maker makes 6 pints of ice cream how many liters does it make?

Answers

 2.83906 liters because there are 0.473176 liters in 1 pint.
MIDDLE SCHOOL

If a certain cannon is fired from a height of 9.4 meters above the ground, at a certain angle, the height of the cannonball above the ground, h, in meters, at time, t, in seconds, is found by the function h(t)=-4.9t^2+30.5t+9.4. Find the time it takes for the cannonball to strike the ground.

Answers

Answer:

6.5 s

Step-by-step explanation:

The equation provided provides us with the height of the canonball at any time t. When the ball hits the ground, the height of the ball above the ground is zero.

Therefore

h(t)=-4.9t^2+30.5t+9.4 = 0

We then solve for t. Seeing as this is a quadratic equation, we can use the quadratic formula:

The quadratic formula gives two answers, a positive one and a negative one. The positive one is after time zero and the negative one is before time zero. We are interested in the one after time zero (time zero being the time when the canon is fired)

MIDDLE SCHOOL

Find the mean 10,12,17,14,20,27,24,28,28

Answers

Hi Kimberlys969pdrfzz,

Question:

Find the mean

Mean - "The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are."

Solution:

Answer:

Mean = 20

Hope This Helps!

10 + 12 + 17 + 14 + 20 + 27 + 24 + 28 + 28 = 180/9 = 20

mean: 20

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