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Artemon [7]
3 years ago
8

What is the slope of the line that contains the points (-1,9) and (5,21)

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0
Y-y
——-
X-x

21-9=12
5-(-1) =6
So the answer is D
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The ratio of girls to boys in he 6th grade is 6 to 7. How many girls are there if there are 364 total students
inn [45]

If the ratio is 6:7 the students should divide nicely into 6+7=13 parts.  Six of those parts are girls, seven of those parts are boys.

364 / 13 = 28

So 6 × 28 = 168 girls

Answer: 168

Check:

7 × 28 = 196 boys

168 + 196 = 364, good



4 0
2 years ago
Read 2 more answers
I can evaluate expressions if J=3 K=6 M=12 jk+4M divided by 2
kkurt [141]
First plug in the numbers: 3x6+4x12/2. then do the Pemdas, so multiplication first: 18+42/2. then since the division is like a fraction bar, it means to divide but first simplify the 18+42: 60/2. Your answer is 30.
5 0
3 years ago
find two numbers, both smaller than 100, that have common multiple of 450 and highest common factor of 15
Alex_Xolod [135]

Answer:

hello :

90 = 15×6

75 =  15× 5

highest common factor of 90 and is 15 because highest common factor of 5 and 6 is 1

90 = 3² ×2×5

75= 5^3

common multiple of 90 and 75 is : 3²×2×5²  = 450

90 and 75  both smaller than 100.



3 0
3 years ago
What is the average of 3.28+6.90+5.30+12.00+4.77
schepotkina [342]
The answer should be 32.25
6 0
3 years ago
HELP ME ASAP PLEASE
vfiekz [6]

Answer:

144.44

Step-by-step explanation:

C = 2 x π x r .      C = 2 x 3.14 x 23  = 144.44

5 0
3 years ago
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