4 years ago

Use the order of operations to evaluate the expression below. 15- [14 = (15-8) + 13 - 14 - 10

Mathematics

1 answer:

BlackZzzverrR [31]4 years ago

6 0

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False

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mrs tran mowed 1/4 of the lawn. her son mowed 2/5 of it. who mowed more. how much of the lawn still need to be mowed

Zina [86]

Answer:

Her son mowed more and 7/20 need to be mowed

Step-by-step explanation:

1/4 x 5 = 5/20 - Mrs Tran

2/5 x 4 = 8/20 - her son

20/20 - 13/20 = 7/20 needs to be finished

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For a circle with a radius of 6 feet, what is the measurement of the central angle (in degrees) that intercepts an arc with a le

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Answer:

135 degrees

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

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substitute

$C=2\pi (6)$

$C=12\pi\ ft$

step 2

Remember that the circumference of the circle subtends a central angle of 360 degrees

using proportion

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$\frac{12\pi}{360^o}=\frac{(9\pi/2)}{x}\\\\x=360(9\pi/2)/12\pi\\\\x=135^o$

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What is the equation of the circle with center (-3.2,2.1) and radius 4.3?

Nutka1998 [239]

$(x+3.2)^2+(y-2.1)^2=4.3^2$

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Cassandra wants to solve the Quetion 30 equals 2/5 Pete. What operation should she perform to isolate the variable

BartSMP [9]

It sounds like you are setting up the equation below.
(2/5)P = 30

To solve this equation for P, you would multiply both sides of the equation by 5/2.

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Step-by-step explanation:

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