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3 years ago

9

I NEED HELP PLEASE FIND THE DIFFERENCE

2 answers:

Musya8 [376]3 years ago

7 0

I has to be C
Good luck have a good day

8_murik_8 [283]3 years ago

5 0

It’s b
You combine like terms which they already did for you, so you just subtract or add them using kcf (keep,change,flip)

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the text side 5.45 equivalent to 5/45

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3 years ago

Of the 25 students on a field trip, 16 students bring cameras. What percent of the students bring cameras?

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The following table shows the final scores for a group of mini golf reset adventure Land find the median number of strokes

solong [7]

The median would be the middle data point. Let’s list the points

25, 26, 31, 39, 32, 57

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3 years ago

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1 1/5 divided by 3/10

MissTica

Answer: <em><u>4.</u></em> This is because 1 and 1/5 = 1.2 and 3/10 = 0.3 and 1.2 divided by 0.3 = 4. That's because 1.2 can be split into 4 equal groups and each group has 0.3.

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3 years ago

What is (2,7) rotated 90% clockwise

ohaa [14]

Answer:

The required point is, (7, -2)

Step-by-step explanation:

The straight line passing through (0,0) and (2,7) is,

y = $(\frac {7 -0}{2-0}) \times x$

⇒ y = 3.5x --------------(1)

Now, the straight line perpendicular to this line and passing through (0, 0) is

y = $(\frac {-1}{3.5}) \times x$

⇒ 7y + 2x = 0 -------------(2)

Let, (h,k) be the required point.

then, it is on the line 7y + 2x = 0

⇒7k + 2h = 0

⇒k = $(\frac {-2}{7}) \times h$ ------------(3)

Again, distance from (0,0) of (h, k) is same as that of (2,7)

⇒ $h^{2} + k^{2} = 4 + 49 = 53$

⇒ $h^{2} \times (\frac {53}{49})$ = 53 [putting the value of k from (3)]

⇒ $h^{2}$ = 49

⇒h = 7 [since, (h,k) is in 4th quadrant, so,h >0]

So, k = -2 [putting the value of h in (3)]

So, the required point is, (7, -2)

5 0

3 years ago