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stiks02 [169]
3 years ago
13

For a scientific experiment a physicist must make sure that the temperature of a metal does not get colder than -100c or the met

al will not be useable. The physicists changes the metal's temperature at a steady rate of -5c per hour
Mathematics
1 answer:
kati45 [8]3 years ago
5 0
What’s the question???
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1. Fill in the chart
Murljashka [212]

Answer:

See answers in bold

Step-by-step explanation:

Words  Expression

The Value of the Expression

a. 50 times the sum of 64 and 36 ... 50 x (64+36) = 50x (100) = 5000

50 x 64 + 36 )

5000

b. Divide the difference between  1,200 and 700 by 5 ...(1200-700) / 5 = 500/5 = 100

(1,200 - 700): 5

100

C. The sum of 3 fifteens and 17  fifteens ... \frac{3}{15} + \frac{17}{15} = \frac{20}{15} = \frac{4}{3}

45 + 255

d. 15 times the sum of 14 and 6 ... 15 x (14 + 6) = 15 (20) = 300

e.

10 x (250 +45) ...10 times the sum of 250 and 45

f.

(560 + 440) x 14... 14 times the sum of 560 and 440

Hope this helps

5 0
3 years ago
Can anyone help me with Qs 9-14 pls
lions [1.4K]

Answer:

Step-by-step explanation:

angle 2 and angle 3 are linear pair

angle 1 and angle 7 are alternate exterior angle

angle 4 + angle 7=a80 degree

124 + angle 7=180

angle 7=180-124

angle 7=56 degree

angle 1 is supplementary to angle 2 ,angle 4, angle 6, angle 8 .In supplementary angle sum of two angle is always 180 degree.

angle 4 and angle 5 are supplementary angles because their sum is equal to 180 degree.

angle 4 + angle 5(being co interior angle)

3x+17+x+23=180

4x+40=180

4x=19=180-40

x=140/4

x=35

3 0
3 years ago
26.72 ÷ 4.7 (Round to the nearest hundredth)
padilas [110]

Answer:

6 0r 5.6 rounded to the nearest hundredth

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Help I have like 10 minutes to do this
k0ka [10]

Answer:

5

Step-by-step explanation:

The mean is the average so add up all values of the data points and divide by the amount of data points.

3 0
2 years ago
Read 2 more answers
What the length of CE?
raketka [301]

Answer:

CE = 3.5

Step-by-step explanation:

<u>10 = 5</u>

25 = x

x = 12.5 perimeter of DCE

4+5+x=12.5

x = 3.5

3 0
3 years ago
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