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vova2212 [387]
3 years ago
9

-3 = 3/4r + 2 find r

Mathematics
2 answers:
svetlana [45]3 years ago
8 0

Answer:

-20/3

Step-by-step explanation:

3/4r + 2 = -3

subtract 2 on both sides...

3/4r = -5

divide by 3/4 on both sides...

3/4r divided by 3/4 is r.

-5 divided by 3/4 is the same thing as...

-5 times 4/3 (flip the fraction)

-20/3

Hope this helps!

kow [346]3 years ago
3 0

Answer:

r = -20/3

Step-by-step explanation:

can i get brainliest plz

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Taylor states that 2,800,000 in scientific notation is 2.8 x 10 -6 because the number has six places to the right of the 2. Is T
soldier1979 [14.2K]

Scientific Notation is the way of <u>writing a number or expressing them</u> in a <u>shorter or more compact way.</u>

No, <u>Taylor's resoning is incorrect</u> because  2,800,000 = 2.8  * 10^{6}

From the question, we are given:

2,800,000 .

2,800,000 in scientific notation is  2.8  * 10^{6}.  

The reason the power is not to the negative 6 is that we are moving from the right-hand side to the left-hand side 6 times.

Therefore, <u>Taylor's reasoning is incorrect. </u>

To learn more, visit the link below:

brainly.com/question/22241437

7 0
2 years ago
Ella grew 3 over 4 of an inch last year. Ben grew 2 over 3 of an inch last year. How much more did Ella grow than Ben last year?
IrinaK [193]

Answer:

Ella grew \frac{1}{12} of an inch more

Step-by-step explanation:

For this problem, you want to subtract Ben's growth from Ella's.

This expression would be \frac{3}{4}-\frac{2}{3}.

To work these out, they must have the same denominator (which should be the lowest common multiple or LCM).

In this case, the LCM is 12, so you want to multiply each side so the denominator is 12. This means the first fraction should be multiplied by \frac{3}{3} and the second by \frac{4}{4}.

This makes the expression \frac{9}{12}-\frac{8}{12}, which equals \frac{1}{12}.

**This content involves adding and subtracting fractions, which you may want to revise. I'm always happy to help!

7 0
3 years ago
What is 2 to the 0 power
Ostrovityanka [42]

Pretty sure it's 0, if you mean 2 to the power of 0
7 0
3 years ago
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What is the product of (3a + 2)(4a? - 2a + 9)?
yan [13]

Answer:

The answer is 12a^3+2a²+23a+18 ....

Step-by-step explanation:

The given terms are:

(3a + 2)(4a² - 2a + 9)

Now multiply each value of second bracket with the first bracket:

=4a²(3a+2) -2a(3a+2)+9(3a+2)

=12a^3+8a²-6a²-4a+27a+18

Solve the like terms:

=12a^3+2a²+23a+18

Therefore the answer is 12a^3+2a²+23a+18 ....

4 0
3 years ago
Help ill give brainliest too
attashe74 [19]

Answer:

a

Step-by-step explanation:

I think so..

4 0
3 years ago
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