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3 years ago

Find the value of x in each figure. (1-4)

Mathematics

2 answers:

eduard3 years ago

6 0

Answer:

1.) x = 3

2.) x = 20

3.) x = 55

4.) x = 30

Step-by-step explanation:

when ever I do these types of equations I always base it off a number that either makes the measurement a right angle or a 180 angle which makes measuring it easier.

1. ) 180- 165= 15/5 = 3 meaning x=3

2.) 90- 76= 14+6= 20 meaning x = 20

3.) 90-20= 70 -15= 55 meaning x=55

4.) 180 -90=90/3= 30 meaning x = 30

BigorU [14]3 years ago

3 0

Answer:

3,20,55,30

Step-by-step explanation:

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Which special case is represented by x? - 121?

marissa [1.9K]

Answer:

A. the difference of two squares

Step-by-step explanation:

Please use the symbol " ^ " to indicate exponentiation.

Then we have x^2 - 11^2, which is the difference of two squares:

x^2 is a square, the square of x; and 11^2 is a square, the square of 11.

A. the difference of two squares

Note that a "difference of squares" is easily factored:

a² - b² = (a - b)(a + b)

and so your x² - 11² factors as follows: (x - 11)(x + 11)

7 0

3 years ago

Read 2 more answers

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

3 years ago

Whats 2+2+2+2+2+2+2+2+2+2

eimsori [14]

Answer:

Step-by-step explanation:

there are 10 2s

2×10 =20

7 0

3 years ago

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In the math problem, "450 is 75% of what number?" 450 is the ___.

Anni [7]

Answer:

600

Step-by-step explanation:

Since 3/4 of 100 is 75, we have to divide 450 by three.

450 ÷ 3 = 150

150 x 4 = 600

Hope this helps :)

Please mark brainliest ;)

6 0

3 years ago

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63 first-year teachers and 27 experienced teachers attended a school staff meeting. What percentage of the teachers in the meeti

nexus9112 [7]

Answer: 70%

Step-by-step explanation:

Step 1:

Total number of teachers = 63 + 27

= 90

Step 2:

The percentage of the teachers in the meeting were first-year teachers:

(63 ÷ 90) × 100 = 70%

4 0

3 years ago