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3 years ago

What is the product of -6x3 and 2x5?

Mathematics

1 answer:

slamgirl [31]3 years ago

6 0

Answer:

for the first one it's going to be -30 and the second one is 10

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For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Find the slope and y-intercept of the data

Vlad1618 [11]

Answer:

slope: 5

y-intercept: 3

therefore y=5x+3

Step-by-step explanation:

the slope is the value that is changing; as time passes the price increases by $5 per hour

the y-intercept is where the function crosses the y-axis (when x is 0); so when no time has passed.

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3 years ago

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an object starts from rest and accelerates at a rate of 4 m/s^2 for 3 seconds. What is its displacement from the start position?

timurjin [86]

It’s displacement is 18m away!!

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3 years ago

HELP ASAP How many times will the digit '3' appear if we write all whole numbers from 1 to 99?

Liula [17]

Answer:3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

Step-by-step explanation:

You gotta count I did this quick

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3 years ago

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A Mathematics teacher gave a 20-item surprised quiz to his 25 students. All of the scores of the students were unique except for

TiliK225 [7]

Answer:

total number of students is 25

AIZA AND GLAIZA came 60% of the 25 students that is 15th position

A) therefore students which came below them were= 10

B) Students who has scored greater than them were=> 15-2=13 (as they niether got less than 12 nor more than 12.)

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2 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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