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Mama L [17]
2 years ago
11

One solution to the problem below is 7. What is the other solution? M^2-49=0

Mathematics
1 answer:
ASHA 777 [7]2 years ago
4 0
(X-7)(x+7)
Set each equal to zero

X-7=0 X+7=0
X=7 X=-7
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The value of n is a distance of 3 units from 1 1/2 on a number line. Click on the number line to show the possible values of n.
Naddika [18.5K]
I’m pretty sure the answer is 3 :)
4 0
2 years ago
Duncan takes a break from studying and goes to the gym to swim laps. If swimming burns 9.05×105 cal per hour, how many kilojoule
fgiga [73]

For this case we have to by definition:

1 kilojoule equals 0.239006 kilocalorie.

1 kilocalorie equals 1000 calories

Then, if we have:9.05 * 10 ^ 5 \frac {calories} {hour} *\frac {1} {1000} \frac {kilocaloria} {calorie} = 9.05 * 10 ^ 2 \frac {kilocaloria} {hour}

Now:

9.05 * 10 ^ 2 \frac {kilocaloria} {hour} * \frac {1} {0.239006} \frac {kilojoule} {kilocaloria} = 3786.52 \frac {kilojoule} {hour}

Answer:

3786.52 \frac {kilojoule} {hour}

3 0
2 years ago
Help me with this question pleaseee
boyakko [2]
Should be 7 if not then sorry
3 0
2 years ago
A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?
IgorC [24]
Direct variation mean x =ky so y = x/k

(2,14) mean y = kx so 14 = k*2 so 14 = 7*2 so 14 = 14 
(4,28) mean y = kx so 28 = k*4 so 28 = 7*4 so 28 = 28

from these result that the 3rd choice is right sure 


6 0
3 years ago
Read 2 more answers
The normal body temperature of a camel is 37 degrees Celsius the temperature varies by up to three degrees C throughout the day.
natta225 [31]
The normal body temperature : to = 37° C
An inequality is:
| t - to | ≤ 3
| t - 37 | ≤ 3
t - 37 ≤ 3     AND  ( - t - 37 ) ≤ 3
t ≤ 3 + 37               - t + 37 ≤ 3
t ≤ 40                     - t ≤ 3 - 37
                              - t ≤ - 34   / * ( - 1 )
                                t ≥ 34
Answer t ∈ [  34°C,  40° C ].
4 0
3 years ago
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