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2 years ago

Lindsey has ten inches of ribbon.She buys another 3 lengths of ribbon,each 5 inches long.How much ribbon does she have now

Mathematics

2 answers:

Vesna [10]2 years ago

8 0

Answer:

She has 25 inches

Step-by-step explanation:

Elan Coil [88]2 years ago

6 0

Answer:

25 inches

Step-by-step explanation:

3x5=15

15+10=25

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50×60×8000 f(x)=4000× f (y)=

Aloiza [94]

Answer:

9,600,000,000 F (y)=5000

Step-by-step explanation:

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3 years ago

How many real roots and how many complex roots does this expression have?<br> (x+7)^7

Feliz [49]

Answer:

One real root, with multiplicity 7.

Step-by-step explanation:

The given expresion is

${(x + 7)}^{7}$

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3 years ago

2x - 2y = 10 and x + 2y = 11

Rufina [12.5K]

Answer:

Step-by-step explanation:

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3 years ago

You buy a watch for $60. There is a 6% sales tax. What is your total cost for the<br> watch?

lara [203]

Answer:

$63.3

Step-by-step explanation:

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60 x 0.06

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3 years ago

Find the volume of a sphere with surface area equal to 100π ft^2

Anni [7]

Answer:

$V=\frac{500}{3}\ \pi(ft^{3})$

Step-by-step explanation:

Hello.

to find the volume of a sphere we must know its radius,

we don't know the radius but we have the area

$A=4\pi r^{2} \\ \\isolating\ r\\\\A=4\pi r^{2}\\r=\sqrt{\frac{A}{4\pi } } \\r=\sqrt{\frac{100\ ft^{2} }{4\pi}} \\\\ r= \sqrt{25\ ft^{2} }\\ r=5\ ft\\$

Now, replacing this value in the volume equation

$V=\frac{4\pi r^{3} }{3} \\V=\frac{4\pi\ (5\ ft)^{3} }{3}\\ V=\frac{4\pi\ (125 ft^{3}) }{3}\\V=\frac{500}{3}\ \pi (ft^{3})\\\\\\$

have a great day

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3 years ago

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