3 years ago

Math help thank you guys.

Mathematics

1 answer:

ycow [4]3 years ago

6 0

B. Quotient of Powers Property

That property states that when you divide two powers with the same base, you subtract the exponents.

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7 times what is 210?

sammy [17]

7 times 30 is 210

answer: 30

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3 years ago

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Lilly takes a train each day to work that averages 35 miles per hour. On her way home, her train ride follows the same path and

Klio2033 [76]

Answer: $2.5=\frac{n}{35}+\frac{n}{45}$

Step-by-step explanation:

1. To find the equation asked, you must add the times:

$t_{total}=t_1+t_2$

Where $t_1$ is the time takes Lilly in her path to work and $t_2$ is the time takes Lilly in her path to home.

2. You must use the following formula of speed and solve for the time

$V=\frac{n}{t}$

Where n is the distance, V is the speed and t is the time.

3. You know that Lilly takes a train each day to work that averages 35 miles per hour, then, you can write the following expression:

$35=\frac{n}{t_1}\\t_1=\frac{n}{35}$

4. And her train ride follows the same path at 45 miles per hour:

$45=\frac{n}{t_2}\\t_2=\frac{n}{45}$

5. Then, you obtain the following equation:

$2.5=\frac{n}{35}+\frac{n}{45}$

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3 years ago

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what is 2+200 plz help btw who ever helps gets 21 pts and it is so easy i know the anwser i am just a bit bored so trying to giv

nlexa [21]

Its 202 becasue you just add two more so yeah

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1. 1.4(x−1.6)=1.6(x−1.4) solve 2. 1.4(x−1.6)=1.6(1.4−x) solve

Bezzdna [24]

1.
$1.4( x - 1.6) = 1.6(x - 1.4) \\ 1.4x - 2 .24 = 1.6x - 2.24 \\ 0.2x = 0 \\ x = 0$
2.
$1.4( x - 1.6) = 1.6(1.4 - x) \\ 1.4x - 2 .24 = 2.24 - 1.6x \\ 3x = 4.48 \\ x = 1.4933333$

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3 years ago

Suppose you are explaining to a friend who missed class how to solve equations. Explain, in complete sentences, the steps necess

pashok25 [27]

Answer:

First, take x off of both sides making it: “5 -4 = 3 + 10”

Then subtract 3, making it “3(-7) = 10”

Then do 3 multiply 3 by -7, getting -21 = 10

that is how you would find out the equation is false

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3 years ago