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olga_2 [115]
3 years ago
6

ANSWER QUICK GIVING BRAINIEST!

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

No

Step-by-step explanation:

Multiplying fractions does not require that the fractions have the same denominator. Instead, the numerators are multiplied with each other and the denominators are multiplied with each other. However, the resulting fraction may not be in lowest terms so it may need to be reduced.

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20 points pls help no links
aniked [119]

Answer:

(-15, 13)

Step-by-step explanation:

-3(8x + 9y = -3)

4( 6x + 7y = 1)

-24x - 27y = 9

24x + 28y = 4 (add both equations)

y = 13

6x + 7*13= 1

6x + 91= 1

6x = 1 -91

x = -91/6

x = -15

3 0
3 years ago
6.1.8 The following set of scores was obtained from a quiz: 4, 5, 8, 9, 11, 13, 15, 18, 18, 18, 20. The teacher computes the usu
Inessa05 [86]

Answer:

B. Median

D. IQ R

Step-by-step explanation:

from the given data :

mean = 12.6364 , median =13,

st. dev = 5.6262

Q3 = 18 , Q1 = 8

IQ R = Q3 - Q1 = 18-8 = 10

One of the 18s should be 16 then,

mean = 12.4545, median = 13,

st. dev = 5.4656

Q3 = 18 , Q1 = 8

IQ R = Q3 - Q1 = 18-8 = 10

So, median and IQ R will not need to be changed

4 0
3 years ago
Jan's scores on five quizzes were 2, 8, 8, 9, and 10. Is the mean or median the best measure of center to summarize Jan's scores
Rashid [163]
The mean is the best measure to summarise the scores.
7 0
3 years ago
THERE HAS GOT TO BE SOMEBODY WHO CAN ANSWER THIS AND PLZ EXPLAIN-WILL GIVE BRAINLIEST
Vinvika [58]

152640 grams per day

10^2 is 100

4.5 x 100= 450 grams per person per day

3.2 x 106=339.2

339.2 x 450= 152640

6 0
3 years ago
10 small and 8 large cost $192. 20 small and 1 large cost $99. What is cost of a small
seraphim [82]

Answer:

Step-by-step explanation:

small=s,    s=3.99

large=l,       l=19.20

10s+8l=192.20

20s+l=99

we can see that in the second equation, 20s+l=99

l=99-20s

lets replace l in the first equation

10s+8(99-20s)=192.20

10s+792-160s=192.20

-150s=-792+192.20

150s=599.80

s=3.99

l=99-20(3.99)=99-79.80=19.20

7 0
2 years ago
Read 2 more answers
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