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2 years ago

Help pls :( I’ll mark you brainlist no links Links= report

Mathematics

1 answer:

yan [13]2 years ago

8 0

Answer:

x = 112, y = 68, z = 112

Step-by-step explanation:

y = 68

x = z = 180 - 68 = 112

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There are two drama classesoffered at a middle school. The 8th grade class has 13 fewer students than the 7th grade class. If th

Eddi Din [679]

Answer:

Class 8 has 27 and class 7 has 40

Step-by-step explanation:

8th (r) class has 13 fewer than 7th (x).
x -13 = r

Total for both classes = 67

r + x - 13 = 67
r + x = 80

80 divided by two = 40 (per class)

40 - 13 = 27

4 0

1 year ago

to estimate the sum of two mixed carla round one number to 3 and other number to7 . what is the perimeter of the frame

Sloan [31]

Answer:a

Step-by-step explanation:

2 5/5=2.625 round 3

8 0

3 years ago

betty closes the nozzle and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 14

natta225 [31]

Answer:

4.71 minutes

Step-by-step explanation:

Incomplete question [See comment for complete question]

Given

Shape: Cone

$r = 3$ -- radius

$h = 7$ --- height

$Rate = 14in^3/min$

Required

Time to pass out all liquid

First, calculate the volume of the cone.

This is calculated as:

$V = \frac{1}{3} \pi r^2h$

This gives:

$V = \frac{1}{3} * 3.14 * 3^2 * 7$

$V = \frac{1}{3} * 197.82$

$V = 65.94in^3$

To calculate the time, we make use of the following rate formula.

$Rate = \frac{Volume}{Time}$

Make Time the subject

$Time= \frac{Volume}{Rate }$

This gives:

$Time= \frac{65.94in^3}{14in^3/min}$

$Time= \frac{65.94in^3}{14in^3}min$

Cancel out the units

$Time= \frac{65.94}{14} min$

$Time= 4.71 min\\$

3 0

2 years ago

Which of the following is true about the expression square root of 3*2

baherus [9]

Answer:

Step-by-step explanation:

$\sqrt{3}*2=3.464101615137755‬$ so it is equal to an irrational number.

2 is rational, and $\sqrt{3}$ is irrational, because it is equal to $1.732050807568877‬$

Hope this helps you. Please mark brainliest! Have a nice day!

7 0

3 years ago

How do you do this? I am really confused.

sukhopar [10]

Answer:

B. Hope this helps

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers