3 years ago

Greatest common factor for 40,10

Mathematics

2 answers:

horrorfan [7]3 years ago

8 0

The greatest common factor of 40&10 is 10

Marrrta [24]3 years ago

7 0

Answer 40 if wrong tell me I might be

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Tina throws a baseball straight up from a height of 3 feet and at a speed of 50 feet per second. The height of the ball in feet

vodka [1.7K]

Answer:

9 feet

Step-by-step explanation:

The height of the ball in feet is given by the polynomial:

$h(t) = -16t^2+50t+3$

where t is the time in seconds.

After 3 seconds, t = 3:

$h(3) = -16(3)^2 + 50(3) + 3 \\\\h = -144 + 150 + 3 = 9 feet$

The height of the ball after 3 seconds is 9 feet.

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2 years ago

Simplify Rewrite the expression in the form 5 ^ n. (5/10)/(5/12) =

Amiraneli [1.4K]

Answer:

$5^{-2}$

Step-by-step explanation:

$5^{(10-12)}$

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2 years ago

Question 3 (1 point)

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Answer is b have a good day too enjoy the answe

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2 years ago

Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope

ziro4ka [17]

Given:

Expression is

$3r^2-2r+4$

To prove:

If r is any rational number, then $3r^2-2r+4$ is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.

Let r be any rational number.

We have,

$3r^2-2r+4$

It can be written as

$3(r\times r)-2r+4$

Now,

3, -2 and 4 are rational numbers by property 1.

$r^2=r\times r$ is rational by Property 3.

$3r^2\text{ and }-2r$ are rational by Property 3.

$3r^2+(-2r)+4$ is rational by property 2.

So, $3r^2-2r+4$ is rational.

Hence proved.

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2 years ago

8. Over a period of 3 hours, the outside temperature changed an average of -2.25 Fahrenheit per hour. Which statement correctly

ryzh [129]

Answer:

Step-by-step explanation:

-2.25*3 = 6.75 decreased (since negative)

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2 years ago