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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

1 answer:

kati45 [8]3 years ago

5 0

What’s the question???

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What are the factors of the expression 3x(y + 5)?

slamgirl [31]

3x(y+5)

= 3xy+15x

= (Tienes que multiplicar dentro del paréntesis por 3x) <span />

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3 years ago

J1, J2 and J3 are three junctions on a motorway. The distance from J2 to J3 is 8.7 miles. The distance from J1 to J2 is one-thir

leonid [27]

Answer:

11.6 miles

Step-by-step explanation:

Given that:

Distance from J2 to J3 = 8.7 miles

Distance between J1 and J2 = 1/3 of J2 toJ3

Hence, distance between J1 and J2 becomes :

1/3 * 8.7 miles = 2.9 miles

Distance from J1 to J3 equals :

(J1 to J2) + (J2 to J3)

2.9 miles + 8.7 miles

= 11.6 miles

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3 years ago

A sweater is regularly 32$. It is 25% off would the amount the shopper saved be considered the part , whole,or percent?

Ivahew [28]

The answer is 24 dollars

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3 years ago

5 times a number increased by 4 is at least<br> nineteen

Anna35 [415]

Answer:

5(x+4) ≥ 19

x ≤ -1/5

Step-by-step explanation:

5(x+4) ≥ 19

5x + 20 ≥ 19

5x ≤ -1

x ≤ -1/5

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3 years ago

The electronics store sold 4 laptop computers in one day. The total of the laptops was $3,600. If each laptop cost the same amou

Lina20 [59]

Each laptop will cost $900: $3,600 / 4 = 900

7 0

3 years ago

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