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3 years ago

I need help with part 2 please

Mathematics

1 answer:

Ainat [17]3 years ago

8 0

Answer:

$65

Step-by-step explanation:

So we already determined that the total cost C to drive m miles is:

$C=0.25m+40$

And we want to find the total cost of driving 100 miles.

So, substitute 100 for m and solve for C:

$C=0.25(100)+40$

Multiply:

$C=25+40$

Add:

$C=\$ 65$

Therefore, it will cost $65 to drive 100 miles.

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What is the equation of this line x-3y=18 in slope intercept form

sergejj [24]

Y=3negativeX+18. y=3(-x)+18. I hope I helped.

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3 years ago

There are 207 students in 9 classes at east middle school at this rate how many students are in 6 classes

patriot [66]

Answer:

138 students

Step-by-step explanation:

207/9 = 23

23*6=138

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2 years ago

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1. In the picture below, if major arc BC is 258

WINSTONCH [101]

The answer is attached.

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3 years ago

Please help on these two

jeyben [28]

Answer:

For your first problem you want to see what all the sides would equal

You would have to combine them all into one big equation

5x-7+3x+1+4x=30 (now you want to combine like terms)

12x-7+1=30 (combined the x's together)

12x-6=30 (added -7 and 1)

12x=36 (added 6 to each side)

x=3 (divided 12 to each side)

Now you wanna plug 4 in for x for each side to find out the largest to smallest

AB=5(3)-7= 8

BC=3(3)+1= 10

AC=4(3)= 12

So in order from smallest to largest would be angle C, B, A because

Angle C is the smallest angle because the sides AC and BC are the longest so they form the smallest angle

Then it would be angle A being the largest because the smallest sides in length AB and BC make up the biggest angle

The next problem would be that in order for it to have to be a triangle the two smallest sides needs to add up higher than the third side so

11, 11, 24, 11+11=22, which is less than 24 so not this one

18,12,9, 9+12=21 which is greater that 18 so this one would be a triangle

9,10,19, 9+10=19 which 19 isn't greater than 19 so this one is not a triangle

4,7,23, 4+7=11 which is less than 23, so this one is also not a triangle

So your answer would be 18cm,12cm,9cm

8 0

3 years ago

How can a translation and a reflection be used to map ΔHJK to ΔLMN? Translate K to N and reflect across the line containing HJ.

Svet_ta [14]

Answer:

<u>Translate K to N and reflect across the line containing JK. </u>

Step-by-step explanation:

The rest of the question is the attached figure.

From the figure, we can deduce the following:

∠K = ∠N

JK = MN

HK = LN

So, N will be the image of K

By translating K to N, The segment JK will over-lap the segment MN,

Then, we need to reflect the point H across the the line containing JK to get the point L

So, the translation and a reflection that will be used to map ΔHJK to ΔLMN:

<u>Translate K to N and reflect across the line containing JK. </u>

3 0

3 years ago

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