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2 years ago

C=3y 2 +4y+4 D=−7y 2 +3y−6

Mathematics

1 answer:

9966 [12]2 years ago

7 0

Answer:

Johannes Gutenberg - Wikipediahttps://en.wikipedia.org › wiki › Johannes_Gutenberg

Johannes Gensfleisch zur Laden zum Gutenberg was a German goldsmith, inventor, printer, and publisher who introduced printing to Europe with his ...

Occupation: Engraver, ‎inventor‎, and printer‎

Born: Johannes Gensfleisch zur Laden zum G...

Died: February 3, 1468 (aged about 68); Mainz‎, ...‎

Known for: The invention of the movable-type ...

‎Early life · ‎Printing method with... · ‎Legacy · ‎References

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Lin uses an app to graph the charge on her phone.

exis [7]

Answer:

See below

Step-by-step explanation:

<u>Use the graph to answer the following questions:</u>

When did she start using her phone?

At 2 afternoon

When did she start charging her phone?

At 8 afternoon

While she was using her phone, at what rate was Lin’s phone battery dying?

<u>From 100% to 40% between 2PM and 4 PM:</u>

(100 - 40)/(4 - 2) = 60/2 = 30% per hour

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2 years ago

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Karissa is a vet tech who earns $9.64 per hour. What are her total

Ymorist [56]

Answer:

385.6

Step-by-step explanation:

The wage times the hours worked find the total she makes.

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3 years ago

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Riley's parents got a cell phone plan that has a $40 monthly fee for the first phone for each extra phone there is a $15 phone s

Kaylis [27]

The simplified version is 25e+40

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3 years ago

The radius of the base of a cylinder is 10 centimeters and its height is 20 centimeters A cone is used to fill the cylinder with

rewona [7]

Answer:

24 times

Step-by-step explanation:

cone is used to fill cylinder

conevolume times x=cylindervolume

x=cylinderv/conev

cylinderv=hpir^2

conevolume=1/3hpir^2

cylinder:

v=hpir^2

r=10

h=20

v=20*pi*10^2=2000π

cone=1/3hπr²

r=5

h=10

v=1/3(10)π5²=250π/3

volume of cylinder ÷ volume of cone

= 2000π ÷ (250π÷3)

= 6000π ÷ 250π

= 600÷25

= 24

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3 years ago

What’s the GCF of (45x power of 2) y, and (54xy power of 2)

Firlakuza [10]

Answer:

$9xy$

Step-by-step explanation:

I suppose you're asking for the GCF of $45x^2y$ and $54xy^2$ .

$45x^2y = 3^2 \times 5 \times x^2 \times y\\54xy^2 = 2 \times 3^3 \times x \times y^2$

The GCF is $3^2 \times x \times y = 9xy$ .

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3 years ago

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C=3y 2 +4y+4 D=−7y 2 +3y−6 ​

C=3y 2 +4y+4 D=−7y 2 +3y−6