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liberstina [14]
3 years ago
8

Which of the following are true statements about a variable? Select all that apply. * 3 points A.) The number in front of a lett

er in an expression. B.) A symbol used to represent an unknown value. C.) Can be changed from one value to another. D.) Always has to be the letter x.
Mathematics
1 answer:
denis23 [38]3 years ago
5 0

Answer:b and c

Step-by-step explanation:

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john is cutting wood planks. He has a 3 foot plank. he needs to cut them in 3/8 length pieces. How many pieces will he have?
mojhsa [17]

Answer:

he will have 3 pieces

Step-by-step explanation:

3/8×8

=3

<h2>Mark me BRAINLIEST </h2>
4 0
3 years ago
Given: m∠EYL=72°<br> Find: mEHL , mLVE
White raven [17]

Answer:

Part 1) The measure of arc EHL is 108\°

Part 2) The measure of angle LVE is 54\°

Step-by-step explanation:

step 1

Let

x-----> the measure of arc EHL

y----> the measure of arc EVL

we know that

The measurement of the outer angle is the semi-difference of the arcs it encompasses.

so

m

we have

m

substitute

72\°=\frac{1}{2}(y-x)

144\°=(y-x)

y=144\°+x ------> equation A

Remember that

x+y=360\° -----> equation B ( complete circle)

substitute equation A in equation B and solve for x

x+(144\°+x)=360\°

2x=360\°-144\°

x=216\°/2=108\°

Find the value of y

y=144\°+x

y=144\°+108\°=252\°

therefore

The measure of arc EHL is 108\°

The measure of arc EVL is 252\°

step 2

Find the measure of angle LVE

we know that

The inscribed angle measures half that of the arc comprising

Let

x-----> the measure of arc EHL

m

we have

x=108\°

substitute

m

3 0
3 years ago
Graph<br> &gt; -4.<br> &gt;<br> -5<br> -4<br> -3<br> -2<br> -1<br> 0<br> 1<br> 2<br> 3
igor_vitrenko [27]

Answer:

cant under stand thoes

Step-by-step explanation:

sorry

8 0
3 years ago
After the dimensions of an equilateral triangle are increased by a scale factor of 2.5, the perimeter is 45 units. What were the
Otrada [13]

Answer:

Original side of triangle = 6 units

Step-by-step explanation:

Given:

Perimeter = 45 units

Scale factor = 2.5 (Increase)

Find:

Original side of triangle = ?

Computation:

Original Perimeter = Perimeter / Scale factor

Original Perimeter = 45 units / 2.5

Original Perimeter = 18 units

Perimeter of an equilateral triangle = 3 (Side)

18 units = 3 (Side)

Side = 6 units

Original side of triangle = 6 units

4 0
4 years ago
A company's stock is valued at $25.15 per share. The stock is losing value at rate of $1.75 per day. What is the stocks value af
Marina CMI [18]
Equation would be: 25.15 - 1.75x
Where, x = number of days.

Substitute for x = 3, 
= 25.15 - 1.75(3)
= 25.15 - 5.25
= 19.90

In short, Your Answer would be $19.90

Hope this helps!
3 0
4 years ago
Read 2 more answers
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