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sashaice [31]
3 years ago
6

Explain how to estimate 368+231 in two different ways

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
6 0
400+200 or add 368+231= 599 and you round your answer, woulb be 600
fredd [130]3 years ago
5 0
It’s 600 hope that helped you
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A.
nekit [7.7K]
Answer(s): C (linear) and E (increasing)

E) This graph is positive, meaning that the values are increasing

C) this line is straight, and passes the vertical line test

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8 0
3 years ago
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The cost for an upcoming field trip is $30 per student. The cost of the field trip C, in dollars, is a function of the number of
kompoz [17]

Answer:options B and D are the correct answers.

Step-by-step explanation:

The cost for an upcoming field trip is $30 per student. The cost of the field trip C, in dollars, is a function of the number of students x.

The function is defined by

C(x) = 30x

The values of x must be whole numbers. Therefore, the possible outputs for the defined function would be

B. 30 which means the cost for only one student.

D. 90 which means the total cost for 3 students.

3 0
3 years ago
When Theresa walks at a pace of 88 steps per minute, it takes her 90 minutes to walk the trail. If she alters her pace to 33 ste
jarptica [38.1K]

Answer: 33 minutes

Step-by-step explanation:

Hi to answer this question we have to write a proportion

Speed rate = 88 step per minute

Time = 90 minutes

So, the proportion is 88 step/min / 90 minutes

For 33 steps per minutes = 33 / x minutes

88/90 = 33/x

solving for x:

x= 33/ (88/90)

x = 33.75 = 33 minutes.

Feel free to ask for more if needed or if you did not understand something.

5 0
3 years ago
Is 2/5 and 8/20 equivalent
dolphi86 [110]
Yes!
explanation:
8 divided by 4 equals 2 and 20 divided by 4 is 5
4 0
3 years ago
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What is the area of a sector with a central angle of 108 degrees and a diameter of 21.2 cm?
Rasek [7]

Answer:

105.84\ cm^2

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is

A=\pi r^{2}

we have

r=21.2/2=10.6\ cm ----> the radius is half the diameter

substitute

A=\pi (10.6)^{2}

A=112.36\pi\ cm^2

step 2

Find the area of a sector

Remember that

The area of the circle subtends a central angle of 360 degrees

so

using proportion

Find out the area of a sector with a central angle of 108 degrees

\frac{112.36\pi}{360^o}=\frac{x}{108^o}\\\\x=112.36\pi(108)/360\\\\x=33.708\pi\ cm^2

assume

\pi=3.14

substitute

33.708(3.14)=105.84\ cm^2

7 0
3 years ago
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