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Aneli [31]
3 years ago
13

What are the answers?

Mathematics
1 answer:
IRISSAK [1]3 years ago
7 0
The answer is no answer because there is no pic so 0
You might be interested in
A beacon is flashing on top of a 50 foot tower. A 6 foot tall man walks constantly away from the tower at 5 feet/sec. At the ins
Viefleur [7K]

Answer:\frac{253}{44}

Step-by-step explanation:

ignore the "at the instant the man is 30 feet away" part, set it as X and the man's shadow as Y.

Similar triangles so we can do \frac{50}{x+y}  = \frac{6}{y}.

Solve for it we get 44y = 6x

Differentiate relative to time t, we get 44y' = 6x'.

change in x (x') is equal to 5. And we get the answer y' = \frac{33}{44}.

the \frac{33}{44} ft/sec is the rate of which the length of the shadow is changing. add 5 to it for the rate of the tip of his shadow moving away from the tower.

7 0
2 years ago
the pizza pantry has a 25% off grand opening special. you have a coupon for a restaurant. you save $3 on a meal. how much was th
luda_lava [24]
3.00 times 25% = $3.25 original meal
4 0
3 years ago
Suppose that the die is rolled twice, rather than once. find the probability of rolling an even number on at least one die. find
puteri [66]
We know P = 1/2

X~B(2, 0.5)
n = 1

2C1 from pascal triangle = 2

P(X=0.5)= 2C1 x 0.5 x 0.5

= 0.5
= 50%
7 0
4 years ago
There is an infinite number of ways to represent 1 on the number line. In the space below, write at least four expressions multi
tatuchka [14]

Answer:

1) ok, we know that if we divide one number by the same number, the solution is 1 ; this is: a/a = 1

so we could write something as:

3 = 3*1 = 3*(5/5) = (3*5)/5 = 15/5

so 3 = 15/5

this is especially useful when working with addition of fractions.

2) this is really useful if you have a square root in the denominator.

for example : \frac{1}{\sqrt{2} }  = \frac{1}{\sqrt{2} } *\frac{\sqrt{2} }{\sqrt{2} }  = \frac{\sqrt{2} }{2}

3) you also could do this in the next way:

3 = 3*1 = 3*(7/7) = 3*(3+4)/7= 9/7 + 12/7

where i splitted the 7 into 3 +4, this relation could be useful sometime.

4) if you do the difference between some number and the prior number; you get one; this is : (5 -4) =1

then: 3= 3*1 = 3*(5 - 4) = 15 - 12

4 0
4 years ago
The greatest common factor(GCF) of LaTeX: x^7,\:x^3,\:x^5\:is\:_{ }__________.
wolverine [178]

Answer:

<h3>x^3</h3>

Step-by-step explanation:

We are to find the greatest common factor of x^7, x^3 and x^5

x^7 = x^3 * x^4

x^3 = x^3 * 1

x^5 = x^3 * x^2

From both factors, we cam see that x^3 is common to the three, hence the GCF is x^3

7 0
3 years ago
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