MATHEMATICS HIGH SCHOOL

396 divided by 9 =...?

Answers

Answer 1

Answer:

Answer: 44

Step-by-step explanation: 396/9 = 44

Answer 2

Answer:

Answer:

Step-by-step explanation:

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The value of Maggie's car decreased by 20% since last year, when she bought it. If the car is now worth $15,000.00, how much was the car worth when she bought it? A. $20,000.00 B. $17,647.06 C. $18,000.00 D. $18,750.00
Use the quadratic formula to solve 2y2 + 6y – 8 = 0. A {–4, –1} B {4, –1} C {–4, 1} D {4, 1}
Find the product.(n + 8)(n - 2)
1. Determine the value of x forwhich r | s.(2x + 6)42°
I need help with this math question on my study guide!Sadly, I do not remember how to do this and I would greatly appreciate any help you can offer.

I suck at math so I need help :(

Answers

This one is common sense, not math. You can't possibly get a 5 and a green face on the same roll, because all of the odd numbers are red. Each condition rules out the other one. That's called being "mutually exclusive".

How many subsets of exactly two elements does a set of five elements have?

Answers

Do you have any options?

Gold in the form of solid cylinders will be molded into solid blocks. Each cylinder has a diameter of 6.19 cm and a height of 6 cm. Each solid block will have a volume of 360 cm3. How many cylinders of gold will it take to mold one block of gold?

Answers

so volume of a cylinder=area of top circle times height or
pi times radius^2 times height
diameter=2 times radius
diameter times 1/2=radius
6.19/2=radius=3.095
pi times 3.095^2 times 6=177.077
so volume of cylinder=177.08
volume of gold=360
so
x cylinders=1 solid block
diviide both sdies by cylinder
x=block/cylinder
block=360
cylinder=177.08
360/177.08=2.03
so aprox 2.03 cylinders will make one block
round down since 0.03 is nigligible
the answer is 2

What does it mean to find the area of a circle?

Answers

Answer:

Step-by-step explanation:

The area of a circle is the number of square units inside that circle. If each square in the circle to the left has an area of 1 cm2, you could count the total number of squares to get the area of this circle and the formula to find the area of a circle is $\pi r^2$

What is an equivalent expression to 4m+3m +m

Answers

4m + 3m + m. Add it all.

= 7m

A study is done on the population of a certain fish species in a lake. Suppose that the population size P(t) after t years is given by the following exponential function. P(t)=280(1.29)^t Find the initial population size?
does the function represent growth or decay?
By what percentage does the population change each year?

Answers

Answer:

280
function represent growth.
29 %

Step-by-step explanation:

Equation to calculate population size after time, t

P(t) = 280(1.29)^t

To find initial population size we will take t = 0

P(0) = 280(1.29)^0

= 280(1)

= 280

To find that function represent growth or decay

P(1) = 280(1.29)^1

= 280(1.29)

= 361.2

Its means that after a year population increases. Hence, function represent growth.

By what percentage does the population change each year?

(361.2 - 280 / 280) * 100%

= 29 %

Answer:

280

function represent growth.

29 %

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