MATHEMATICS MIDDLE SCHOOL

Which of the following angle measurements might you find in a right triangle?45°, 45°, 90°
50°, 50°, 90°
60°, 60°, 60°
90°, 90°, 90°

Answers

Answer 1
Answer:

Answer:

The first one! 45,45,90

Step-by-step explanation:

The sum of angle is 180, so Only

45+45+90=180

50+50+90=190 it is greater than 180 ist not Ok

60+60+90=210 it is not ok

90+90+90=270 is not ok
Answer 2
Answer:

Answer:

you  wil definetly find 90

Step-by-step explanation:

key word right triangle it has a right angle

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3 hundreds, 17 tens, 3 ones, 1 tenths, and 2 hundredths. what number am I

Answers

473.12 because you have to add 300 plus 170 (17 tens) plus 3 plus .1 plus .02

Jack buys a bag of 5 apples each equal in size he eat 1/2 of one Apple what fraction did he eat

Answers

You have 4(1)/(2) apples left. 
You have 5 whole apples, you took one whole apple out, which equals 4 whole apples left. Then with the whole apple you took out, you ate (1)/(2) of it.
 Jack ate (1)/(2) of an apple in 5 apples. 
If you say that Jack ate (1)/(2) of 3 apples, then he ate 1(1)/(2) apples. So there isn't any difference when he ate (1)/(2) of an apple.

Can someone please help me with these ?

Answers

Answer:

Step-by-step explanation:

11)  √(8x+33) =3\n8x+33=9\n8x=-24\nx=-3

Subtract 4 from both sides.  Square each side.  Subtract 33 from both sides.  Divide each side by 8.  Your answer is -3.

12)  7x-17=x^2-2x+1\n0=x^2-9x+18\n0=(x-6)(x-3)\nx=6, x=3

Square both sides.  Put all numbers on one side of the equation so that you can be equal to zero.  Factor out and solve for x.

The town swimming pool is d feet deep. The width of the pool is 10 feet greater than 5 times the depth. The length of the pool is 25 feet greater than the width. A. Write and simplify an equation to represent the volume of the pool.
B. If the pool holds 51,000 cubic feet of water, what are the dimensions?

Answers

A) The first thing you need to do in order to solve A is to know the formula for volume. It is length*width*depth (The * means that they are multiplied) The next part is to set up the equation in the volume formula. We need to have values for each the length, width, and depth. We know that the depth = d. The width will then be d*5+10. And the length will be d*5+10+25. In order to set up the full volume you will need to multiply each of these 3 equations together and simplify them. 

B) Once you have simplified the answer to question A, you will need to set that equation equal to 51,000 ft^3. Then you can solve the problem using algebra to get the value of d. Once you have d you can plug the value into the equations for depth, width, and length to get the dimensions of the pool.

Hope this helped and good luck!
V = (d)(5d+10)(5d+35) which is 25d^3+225d^2+350d or if you factor out, it is 25d (d^2+9d+14 ) which can be further favored to 25d (d+7)(d+2).

5x+2+6x+9=10x+5 solve the equation.

Answers

Simplify both sides of the equation.

5x+2+6x+9=10x+5

(5x+6x)+(2+9)=10x+5(Combine Like Terms)

11x+11=10x+5

11x+11=10x+5

Subtract 10x from both sides.

11x+11−10x=10x+5−10x

x+11=5

Subtract 11 from both sides.

x+11−11=5−11

ANSWER: x=−6

5x+2+6x+9=10x+5

add like terms

11x + 11 = 10x + 5

11x + 11 - 11 = 10x + 5 - 11

11x = 10x - 6

11x - 10x = 10x - 10x - 6

x = -6 Answer

When is the nearest whole number to 3.2

Answers

Its 3. Since 2 is a small number, lower than 5, so you round down to 3
the nearest whole #umber is three
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