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Mamont248 [21]
3 years ago
7

What is the circumference of the circle shown below? Use

Mathematics
1 answer:
Natali5045456 [20]3 years ago
7 0

Answer:

Its B

Step-by-step explanation:

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Liz and Sara are making cookies for a bake sale. The graph shows the number of cookies that Liz bakes during a 5-hour period.
Radda [10]

<u>Statements</u>

<u>case A)</u> Sara had baked more cookies at the start of the 5 hours than Liz

The statement is True

we know that

At the start of the 5 hours Liz has baked 220 cookies-----> see the graph

Find the number of cookies that Sara has baked for x=5 hours

y=45x+38

y=45*5+38=263

263 > 220

therefore

Sara had baked more cookies at the start of the 5 hours than Liz

<u>case B) </u>Sara bakes 45 cookies each hour

The statement is True

we know that

The number of cookies baked each hour is equal to the slope of the linear equation

The linear equation is

y=45x+38

The slope is m=45\frac{cookies}{hour}

<u>case C)</u> Liz bakes 19 cookies each hour

The statement is false

Find the slope of the Liz graph

The slope is equal to

m=\frac{y2-y1}{x2-x1}

Let

A(0,19)\ B(4,179)

Substitute the values

m=\frac{179-19}{4-0}

m=40\frac{cookies}{hour}

<u>case D)</u> Liz bakes more cookies each hour than Sara

The statement is False

Sara bakes 45 cookies each hour

Liz bakes 40 cookies each hour





6 0
4 years ago
Your friend says that a cube that has side lengthso of 5 feet has a volume of 15 cubic feet. Is your friend correct or incorrect
Montano1993 [528]

He is incorrect. When involing cubes, it would be 5*3, it would be 5^3 or 5*5*5. Hope this helps

3 0
4 years ago
Josh bought a video game that was 40% off. He paid $50 for the video game. How much was the game ORIGINALLY?
Mrrafil [7]

Answer:

I did this in my head so I'm sorry if I'm not right but I believe its about $90 or $80

Step-by-step explanation:

again im so sorry if I'm wrong

4 0
3 years ago
What is the perimeter of triangle PQR? Show your work.
zubka84 [21]
You know that the two triangles are congruent because two sides and one angle are congruent.

According to CPCTC, corresponding parts of congruent triangles are congruent, which means that PR and SU are equal.

3y-2=y+4
3y=y+6
2y=6
y=3

3(3)-2=9-2=7

7+4+6=17

The perimeter is 17 feet.

Hope this helps!
6 0
3 years ago
How many more bytes of information are in a gigabyte than a megabyte
REY [17]
Meg = 1,000
gig = 1,000,000
1million - 1k = 999,000
6 0
4 years ago
Read 2 more answers
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