MATHEMATICS MIDDLE SCHOOL

Please help! Thank you so much!

Answers

Answer 1

Answer:

Angle W:

180 = 90 + 57 + W

180 = 147 + W

W = 33 degrees

Using trigonometry functions to find the side lengths. (SOH CAH TOA)

Side XZ:

cos(57) = XZ / 18

XZ = cos(57) x 18

XZ = 9.8 units

Side XW:

sin(57) = XW / 18

XW = sin(57) x 18

XW = 15.1 units

Hope this helps!! :)

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randy Driven 54 miles he consumed 2 gallons of gas.So If he consumed 4 gallons of gas how many miles did he drive

Answers

Twice more! 108 gallons of gas

Divide 54 by 2 and then Multiply by 4 ☺️

What is 5/8 - 64 ??????? Thank you

Answers

5/8-64
0.625-64=
-63.375

A computer salesman gets commission for each sale he makes. If he makes 1.0% commission on a sale of $2,000, how much commission does he make?

Answers

Answer:

1/100 ×$2000=$20

idk if I'm right

Answer:

$20

Step-by-step explanation:

2,000*.01=20

Hope this helps:)

The donaldson's swimming pool measures 15 metters long 8 meters wide and 3 meters deep how many cubic meters if water will the pool hold

Answers

V=l*w*h

V= 15*8*3

V= 120*3

V= 360

The pool will hold 360 cubic meters.

Final answer:

The Donaldson swimming pool has a volume of 15 meters * 8 meters * 3 meters, which equals 360 cubic meters. Therefore, it can hold 360 cubic meters of water.

Explanation:

To find out how many cubic meters of water Donaldson's swimming pool will hold, we have to calculate the volume of the pool. The volume of a rectangular prism (which is a good model for this swimming pool) is found by multiplying the length by the width by the height. In this case, the length is 15 meters, the width is 8 meters, and the depth (which is effectively the height for this calculation) is 3 meters.

So, the calculation is: 15 meters * 8 meters * 3 meters = 360 cubic meters.

Therefore, Donaldson's swimming pool will hold 360 cubic meters of water when filled.

Learn more about Volume Calculation here:

brainly.com/question/34259963

#SPJ11

In a recent student government election, the ratio of students who voted for the winner to all the students who voted was 0.65. The number of students who voted was 80. How many votes did the winner get?

Answers

nromally ratios are in 1:3 format
so I'm guessing that ratio fo winner:total=0.65:1

perople who voted for the winner was 0.65 of all the voters
so find 0.65 of 80
'of' can be translated to as mutliply
0.65 times 80=52

52 voters voted for the winnner

multiply or divide and then simplify

(x+1)^2/(x-5)*(x-3)/(x+1)

3x+3/2 divided by 4/9x+9

4a/3a-3*3(a-1)/16a

x+2/x-1 divided by 5x+10/x-2

Answers

$((x+1)^2)/(x-5)\cdot(x-3)/(x+1)=(x+1)/(x-5)\cdot(x-3)/(1)=((x+1)(x-3))/(x-5)=(x^2-3x+x-3)/(x-5)=(x^2-2x-3)/(x-5)\n\nD:x\neq5\ \wedge\ x\neq-1$

$(3x+3)/(2):(4)/(9x+9)=(3x+3)/(2)\cdot(9x+9)/(4)=(27x^2+27x+27x+27)/(8)=(27x^2+54x+27)/(8)\n\nD:x\neq1$

$(4a)/(3a-3)\cdot(3(a-1))/(16a)=(1)/(3a-3)\cdot(3a-3)/(4a)=(1)/(4a)\n\nD:a\neq1\ \wedge\ a\neq0$

$(x+2)/(x-1):(5x+10)/(x-2)=(x+2)/(x-1)\cdot(x-2)/(5x+10)=(x+2)/(x-1)\cdot(x-2)/(5(x+2))=(1)/(x-1)\cdot(x-2)/(5)=(x-2)/(5x-5)\n\nD:x\neq1\ \wedge\ x\neq2\ \wedge\ x\neq-2$

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I have 1/2-1/7 and3/5-1/2