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dusya [7]
3 years ago
11

PLZ HELP !!!!!!!!!!!! Square roots ​

Mathematics
1 answer:
Vilka [71]3 years ago
8 0

Answer:

Step-by-step explanation:

\sqrt{50} \  is  \ between \  \sqrt{49} \ and \  \sqrt{64}.

50 is little away from 49 and 50 is far away from 64.

\sqrt{49} = \sqrt{7*7}=7 \ and \ \sqrt{64}=8

As 50 is closer to 49 the square root of 50 will be closer to 7 than 8 and so it should be just a little over 7

√50 ≈ 7.1

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On which interval is the average rate of change for bicycle production the greatest? A) 1950 to 1960 B) 1960 to 1970 C) 1970 to
Alborosie

Answer:

D) 1980 to 2000

Step-by-step explanation:

Finding the average rate of change in each interval to determine the greatest one.

Production per interval

1950-1960 = (21-11) \ million = 10 million

1960-1970 = (41-21)\ million = 20 million

1970-1980 = (71-41)\ million = 30 million

1980-2000 = (161-71)\ million= 90 million

Rate of change (1950-1960)= \frac{10}{11} \times 100= 90.90\%

Rate of change (1960-1970) = \frac{20}{21} \times 100= 95.23\%

Rate of change (1970-1980)=  \frac{30}{41} \times 100= 73.17\%

Rate of change (1980-2000)= \frac{90}{71} \times 100= 126.76\%

∴ rate of change between 1980 to 2000 is 126.78%

7 0
3 years ago
Evaluate the expression 18 - 7 x 2 + 6
blsea [12.9K]

Answer:

The answer is 10.

Step-by-step explanation:

7*2=14

Then the expression becomes 18-14+6

18-14=4

4+6=10

6 0
3 years ago
X-3y=-24<br> 5x+8y=-5<br><br> this equation is substitution, need help :))
Leto [7]

Answer:

x=-9, y=5. (-9, 5).

Step-by-step explanation:

x-3y=-24

5x+8y=-5

--------------

x=-24+3y

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-120+15y+8y=-5

-120+23y=-5

23y=-5-(-120)

23y=-5+120

23y=115

y=115/23

y=5

x-3(5)=-24

x-15=-24

x=-24+15

x=-9

6 0
3 years ago
Use Gcf to factor 36y-48
QveST [7]

Answer:

6

Step-by-step explanation:

36y - 48 \\  = 6(6y - 8) \\  \because \: 6 \: is \: common \: from \: both \: the \: terms \\  \therefore \: gcf = 6

8 0
3 years ago
Read 2 more answers
7.2 ÷ 0.09 = 7.2/0.09 = ________ Write your quotient as a whole number.
const2013 [10]

Answer:

80

Step-by-step explanation:

5 0
3 years ago
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