4 years ago

If the sum of two prime numbers is 999 what is their product

Mathematics

1 answer:

abruzzese [7]4 years ago

7 0

999.999 because if one is 99 the other would make it 9999

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What’s the slope of the line that passes through (-9, -4) and (6, 15).

lesya [120]

19/15, look at the attachment for work

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3 years ago

3. A person standing 3 feet away from the base of a lamp post casts a shadow 4 feet long. If the person is 6 feet tall and walks

german

Answer:

533.33 ft/min

Step-by-step explanation:

We are given that

x=3 feet

y=4 feet

Height of person,h=6 feet

$\frac{dx}{dt}=400 ft/min$

Triangle ABC and A'B'C are similar because all right triangles are similar

By using similarity property

$\frac{h'}{6}=\frac{7}{4}$

$h'=10.5 feet$

$x+y=3+4=7 feet$

$\frac{h'}{6}=\frac{x+y}{y}$

$\frac{10.5}{6}=\frac{x+y}{y}$

$10.5y=6x+6y$

$10.5y-6y=6x$

$4.5y=6x$

Differentiate w.r.t t

$4.5\frac{dy}{dt}=6\frac{dx}{dt}$

$\frac{dy}{dt}=\frac{6\times 400}{4.5}ft/min$

$\frac{dy}{dt}=533.33ft/min$

Hence, If the person is 6 feet tall and walks away from the lamp post at a speed of 400 feet per minute then his shadow moving at the rate 533.33 ft/min

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3 years ago

The sales representative went to made a deal with the schools for a discount on the individual juice bottles the company usually

GarryVolchara [31]

Answer:

$1.91 per bottle :)

Step-by-step explanation:

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3 years ago

Solve for X using the Rule of Secants<br> 20<br> 6

enot [183]

I think you need to rewrite your question

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3 years ago

Rate of 100-mm in 60.2 sec

romanna [79]

100mm÷60.2seconds=1.661129568mm per second

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3 years ago