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3 years ago

Calculate the value of x. Make sure to include units. *

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

3 0

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Suraj took a slice of pizza from the freezer and put it in the oven. The pizza was heated at a constant rate.

iragen [17]

Answer:

The pizza heats up an average of 7.50 degrees per minute

Step-by-step explanation:

The table shown

Time (minutes) Temperature (degrees Celsius)

1 2.52

7 47.547

13 92.592

Since the pizza was heated at a constant rate, we can model the experiment as a line, where the slope represents how fast the pizza was heated

Slope

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

Let

(x1,y1) = (7, 47.547)

(x2,y2) = (13, 92.592)

m = (92.592 - 47.547)/(13-7)

m = 7.5075

The pizza heats up an average of 7.50 degrees per minute

4 0

3 years ago

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A ship is sailing on the sea. It travels 50 miles at 60° to the horizontal. Then the ship travels 90 miles at 30° to the horizon

pav-90 [236]

Answer:

$(25\sqrt{3}+45)\ miles$

Step-by-step explanation:

we know that

The total vertical distance (total miles North) traveled is equal to

$d=50sin(60^o)+90sin(30^o)$

Remember that

$sin(60^o)=\frac{\sqrt{3}}{2}$

$sin(30^o)=\frac{1}{2}$

substitute

$d=50(\frac{\sqrt{3}}{2})+90(\frac{1}{2})$

$d=(25\sqrt{3}+45)\ miles$

7 0

4 years ago

Pls help middle school math

uranmaximum [27]

Given ,

5<x<10 and 8<y<19

For y-x,

8-5<y-x<19-10

3<y-x<9

8 0

3 years ago

(3x²+4x-1)+(-2x²-3x+2)

Troyanec [42]

Answer:

Step-by-step explanation:

3 0

3 years ago

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Using the approximation 3.14 for pi, what is the radius of a circle with circumference 69.1 m?

Nat2105 [25]

Answer:

11.0

Step-by-step explanation:

Circumfrence = 2 x pi x r.

making radius, r the subject of relation, you.get 11.003184713

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3 years ago

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