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2 years ago

Answer these please i will mark brainliest

Mathematics

2 answers:

photoshop1234 [79]2 years ago

6 0

Answer:

Lin: distance per second*time or 8.2*25= 205m

Elena: distance total divided by time 250/28= 8.9m/s

Diego: time*rate of speed or -8.1*32 = -259.2 meters from the starting point.

Andre: total distance/time -285/35= a velocity of 8.1 meters per second

Step-by-step explanation:

ser-zykov [4K]2 years ago

4 0

Since u got an answer already ima just snatch these points rq thanks!

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Discuss the validity of the following statement. If the statement is always true, explain why. If not, give a counterexample.

Zigmanuir [339]

Answer:

$P(E \cup F)=P(E)+P(F)$ .

Step-by-step explanation:

Given the statement

If $P(E)+P(F)=P(E \cup F)+P(E \cap F)$ , then E and F are mutually exclusive events.

If two events are mutually exclusive, they have no elements in common. Thus, P(E∩F)=0.

Therefore, the statement is always true as P(E∩F)=0

For mutually exclusive events:

$P(E \cup F)=P(E)+P(F)$ .

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3 years ago

Newton’s law of universal gravitation, F=Gm1m2/r²,measures the force of gravity between two masses m1 and m2,where r is the dist

Pavel [41]

Answer:

$G=\frac{Fr^2}{m_1m_2}$

Step-by-step explanation:

Since our equation is $F=\frac{Gm_1m_2}{r^2}$ and we want to solve for G, first we divide both sides by the product $m_1m_2$ , which gives:

$\frac{F}{m_1m_2}=\frac{Gm_1m_2}{m_1m_2r^2}=\frac{G}{r^2}$

So we are left with:

$\frac{F}{m_1m_2}=\frac{G}{r^2}$

Now we multiply both sides by $r^2$ , which gives:

$\frac{Fr^2}{m_1m_2}=\frac{Gr^2}{r^2}=G$

Which gives us our final formula:

$G=\frac{Fr^2}{m_1m_2}$

6 0

3 years ago

Write the number in standard notation. 4.16 × (10) ^–5

yaroslaw [1]

Answer:

.0000416

Step-by-step explanation:

Since 10 is squared by a negative number, the number (4.16) will be smaller. To find the answer, move the decimal 5 places to the left

4 0

3 years ago

Read 2 more answers

Can anybody help me with this

Vanyuwa [196]

It's not c so it mite be eather b or a I would say its b

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3 years ago

--8x < 32. How can I solve this

Vlada [557]

Answer:

<u>Divide by -8</u> on both sides. <u>Flip</u> the inequality.

Step-by-step explanation:

You didn't provide any answer choices, but here's how you would solve this:

$-8x < 32\\\\\frac{-8x}{-8} < \frac{32}{-8}\\ \\x > -4$

Notice that because we divided by a negative, the inequality sign must flip in the other direction!

4 0

1 year ago