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valentina_108 [34]
3 years ago
12

Julio checked the temperature of a bag of frozen peas and found it was at −12°C. After he left the bag out of the freezer for an

hour, its temperature rose to 7°C. What was the change in temperature in an hour?
Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0

The temperature increased by 19°C

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What is the equation of the line that passes through the points (-6,-7) and has a slope.of o?​
lukranit [14]

Answer: y = -7

The y of (-6,-7) is -7 so the equation must be y = -7

8 0
3 years ago
Which of the following represent the same level of precision? Check all that apply.
aniked [119]
Precision refers to the degree of significant figures, or basically how many numbers after the decimal. It <span>is the </span>number<span> of digits in a </span><span>number.
</span> 5.9 liters and 13.6 liters have the same precision (one number after the decimal).
<span>90 liters and 94 liters have the same precision (no decimals).

Correct answer: A and B, C and D</span>
7 0
3 years ago
Read 2 more answers
The given figure is a solid object formed by a cylinder and a hemisphere. If the total length of that solid object is 64 cm and
VARVARA [1.3K]

The total surface area of the solid object is 2660.925 square cm the answer is 2660.925 square cm.

<h3>What is a cylinder?</h3>

In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.

We know the volume of the cylinder is given by:

\rm V = \pi r^2 h

The surface area of the

= surface area of half sphere + surface area of the cylinder - surface area

  of one circular base

The radius r = (64-50)/2 = 7 cm

= (1/2)[4π(7)²] + 2π(7)(50) + 2π(7)² - π(7)²

= (1/2)[615.75] + 2506.99 - 153.94

= 307.875 + 2506.99 - 153.94

= 2660.925 square cm

Thus, the total surface area of the solid object is 2660.925 square cm the answer is 2660.925 square cm.

Learn more about the cylinder here:

brainly.com/question/3216899

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8 0
2 years ago
Which of the following equations is equivalent to 1/2x -2/3 y = 5?
Lostsunrise [7]

Answer:

3x -4y = 30

Step-by-step explanation:

Multiply the given equation by the least common denominator of the fractions, 6.

... (1/2x)·6 -(2/3y)·6 = 5·6

... 3x -4y = 30 . . . . . . simplify

4 0
3 years ago
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Find the equation of a line that contains the points (−3,−1) and (−4,−7). Write the equation in slope-intercept form
BARSIC [14]

Answer:

y =6x+17

Step-by-step explanation:

First we need to find the slope

m = (y2-y1)/(x2-x1)

   = (-7- -1)/(-4 - -3)

   = (-7+1)/(-4+3)

   -6/-1

   6

The slope intercept form of the equation is

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y = 6x+b

Substitute a point into the equation

-1 = 6(-3) +b

-1 = -18+b

Add 18 to each side

17 =b

The equation is

y =6x+17

8 0
3 years ago
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