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3 years ago

(PLEASE SHOW UR WORK)

Mathematics

1 answer:

Lostsunrise [7]3 years ago

8 0

First you wanna distribute the 3 to x and 4
So the problem will then be 3x+12= 27
Then you wanna subtract 12 from 27
You get 3x = 15
Now you wanna divide 3x and 15 by 3
You then get X = 5

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Write the number 0.000938 in scientific notion.

ss7ja [257]

0.000938 in scientific notion.

First we need to move the decimal to its right and we need a number which is between 1-10.

0.000938
00.00938
000.0938
0000.938
00009.38

We moved the decimal 4 times and to the right so it will be negative. -4.

9.38 × 10^-4

Scientific notation of 0.000938 is 9.38 × 10^-4.

Check:-

9.38 × 10^-4 = 0.000938
0.000938 = 0.000938
Correct!

Scientific notation of 0.000938 is 9.38 × 10^-4.

6 0

3 years ago

Use the digits 1-7 to crest a seven digit number that can be rounded off to 6,300,000

Ne4ueva [31]

6,277,765 rounds up to 6,300,00

7 0

2 years ago

One ordered pair (a,b) satisfies the two equations ab^4 = 384 and a^2 b^5 = 4608. What is the value of a in this ordered pair?

Alekssandra [29.7K]

Answer: a = 3∛2

Step-by-step explanation:

ab⁴ = 384 --> a = 384/b⁴

Substitute a = 384/b⁴ into the second equation to solve for "b".

a²b⁵ = 4608

$\bigg(\dfrac{384}{b^4}\bigg)^2\cdot b^5=4608\\\\\\\dfrac{147,456b^5}{b^8}=4608\\\\\\\dfrac{147,456}{b^3}=4608\\\\\\\dfrac{147,456}{4608}=b^3\\\\\\32=b^3\\\\\\\sqrt[3]{32} =b\\\\\\2\sqrt[3]{4} =b$

Substitute b = 2∛4 into the first equation to solve for "a".

ab⁴ = 384

a(2∛4)⁴ = 384

a = 384/(2∛4)⁴

a = 24/4∛4

= 6/∛4

= 6(∛2)/2

= 3∛2

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3 years ago

Jill, Meg and Beth are sister's. Jill is 2 years younger than Meg. Beth is half as old as Meg. Let m represent Meg's age. Write

pshichka [43]

Answer:

Two other algebraic expressions based on this situation are:

$J = m-2$

$B = \frac{m}{2}$

Step-by-step explanation:

Let m represent Meg's age.

Jill is 2 years younger than Meg.

Let J represents Jill's age

Jill's age $J = m-2$

Beth is half as old as Meg

Let B represents Beth's age

Beth's age $B = \frac{m}{2}$

So, two other algebraic expressions based on this situation are:

$J = m-2$

$B = \frac{m}{2}$

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3 years ago

Tashi Beverages Ltd. company manufacture a coca

Archy [21]

Answer:

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Step-by-step explanation:

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2 years ago