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2 years ago

At an auto repair shop. 3.5 hours of labour costs $311.50. What is the labour

Mathematics

2 answers:

Sergio039 [100]2 years ago

7 0

445 I think ………………………….

Brut [27]2 years ago

6 0

445 . Answer:

Step-by-step explanation:

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About 245 out of 500 students prefer walking instead of riding the bus to school. About what percent of the students prefer walk

nasty-shy [4]

Answer:

49 percent

Step-by-step explanation:

So convert the fraction into a percentage

245/500= 49%

7 0

3 years ago

Write an example of the associative property of addition

vfiekz [6]

The word "associative" comes from "associate" or "group";the Associative Property is the rule that refers to grouping. For addition, the rule is "a + (b + c) = (a + b) + c"; in numbers, this means
2 + (3 + 4) = (2 + 3) + 4. For multiplication, the rule is "a(bc) = (ab)c"; in numbers, this means2(3×4) = (2×3)4. Any time they refer to the Associative Property, they want you to regroup things; any time a computation depends on things being regrouped, they want you to say that the computation uses the Associative Property.

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3 years ago

Read 2 more answers

The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 8

julsineya [31]

Good afternoon,

First side= 8cm
Third side= x
Second side= 2x-4

We know that the sume of the lenghts of any two sides must be greater than the third side, so:

$Second \,\,\,\,side+Third\,\,\,\,side>First\,\,\,\,side \\ 2x-4 + x >8 \\ 3x>12 \\ x>4
$

Answer: Third side= x ; where: x>4 or (4,+infinity)
Second side= 2x-4 ; where: x>4 or (4,+infinity)

3 0

2 years ago

Percent of discount is 25% and the sale price is 40$ what is the original amount?

Crank

Percent of discount is 25% and the sale price is 40$ what is the original amount? $160

percent of discount is 5% and the sale price is 57$ what is the original amount? $60

percent of discount is 80% and the sale price is 90$ what is the original amount? $112.5

percent of discount is 15% and the sale price is 146.54$ what is the original
amount? $976.93

the original price is 60$ and the sale price is 45$ what is the percent of discount? 25%

original price is 82$ and the sale price is 65.60$ what is the percent of discount? 20%

original price is 95$ and the sale price is 61.75$ what is the percent of discount? 35%

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3 years ago

PLEASE HELP.

krek1111 [17]

Answer:

Part a) The radii are segments AC and AD and the tangents are the segments CE and DE

Part b) $DE=4\sqrt{10}\ cm$

Step-by-step explanation:

Part a)

we know that

A radius is a line from any point on the circumference to the center of the circle

A tangent to a circle is a straight line which touches the circle at only one point. The tangent to a circle is perpendicular to the radius at the point of tangency.

In this problem

The radii are the segments AC and AD

The tangents are the segments CE and DE

Part b)

we know that

radius AC is perpendicular to the tangent CE

radius AD is perpendicular to the tangent DE

CE=DE

Triangle ACE is congruent with triangle ADE

Applying the Pythagoras Theorem

$AE^{2}=AC^{2}+CE^{2}$