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Nonamiya [84]
4 years ago
11

What letter or symbol that represents some unknown value

Mathematics
1 answer:
tatiyna4 years ago
8 0
A \ letter \ or \ symbol \ that \ represents \ some \ unknown \ value \ is  

known \ as \ a \ Variable.
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What is an equation of the line that passes through the point (2,-5) and is parallel to the line y= 1/2x−8?
dusya [7]
ANSWER: y = -5

Find the slope of the line that is parallel
to y =1/2x - 8 :

m=1/2x

Plot: (please see picture attached)

Find the equation of the line:

y = -5

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3 years ago
PLease help me out. I will mark brainliest! promise.
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4 years ago
Evaluate the expression and enter the answer as a fraction in lowest terms, using the slash (/) for the fraction bar.
Naya [18.7K]

Answer:

5/21

Step-by-step explanation:

Change division sign to multiplication and flip second fraction upside down

1/3 x 5/7 =  5/21

8 0
2 years ago
Rhonda bought a new laptop for $500. The laptop
ipn [44]

Answer:

405

Step-by-step explanation:

A = P(1-r)^t

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4 0
3 years ago
Angle A is shown below.<br>What is the measure of LA, in degrees?​
Vesna [10]

The measure of angle A is 55°.

Solution:

Let us take B be the adjacent angle of 145°.

<em>Sum of the adjacent angles in a straight line = 180°</em>

⇒ m∠B + 145° = 180°

Subtract 145° from both sides.

⇒ m∠B + 145° - 145° = 180° - 145°

⇒ m∠B = 35°

The adjacent angle of 145° is 35°.

In the image, angle B and angle A equal to 90°.

⇒ m∠B + m∠A = 90°

⇒ 35° + m∠A = 90°

Subtract 35° from both sides.

⇒ m∠A = 55°

The measure of angle A is 55°.

8 0
3 years ago
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