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Ray Of Light [21]
3 years ago
6

Country A produces about four times the amount of diamonds in carats produced in country B. If the total produced in both countr

ies is 25 comma 000 comma 000 ​carats, find the amount produced in each country.
Mathematics
1 answer:
sveta [45]3 years ago
7 0

Answer:

Country A produces 20,000,000 & Country B produces 5,000,000

Step-by-step explanation:

Let

amount of diamonds produced by country A be x

and

amount of diamonds produced by country B be y

Since, Country A produces 4 times that of Country B, we can write:

x = 4y

Also, both countries produces a total of 25,000,000 carats, so we can write:

x + y = 25,000,000

Now, we need to find x and y. Putting 1st equation into 2nd equation, we get equation in y. Then we solve for y:

x + y = 25,000,000

4y + y = 25,000,000

5y = 25,000,000

y = 25,000,000/5

y = 5,000,000

And now, x = 4y, so x = 4(5,000,000) = 20,000,000

So Country A produces 20,000,000 & Country B produces 5,000,000 diamond carats

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Masteriza [31]

Answer:

The Answer is C: Yes, △EFG~ △KLM by SSS or SAS

Step-by-step explanation:

SSS is for side-side-side

Both triangles have all three sides given, so the SSS similarity theorem is one way to prove these triangles are similar.

SAS is for side-angle-side

Both triangles have one angle measurement given, and two side lengths given, therefore we can also use the SAS similarity theorem to prove the two triangles are similar.  

Since both SSS and SAS work to prove the triangles are similar, the correct answer is C: Yes, △EFG~ △KLM by SSS or SAS

(I also just answered this question on the assignment and got it correct)

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3 years ago
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A truck is rented at $40 per day plus a charge per mile of use. The truck traveled 15 miles in one day, and the total was $115.
Sergio039 [100]

Answer: The equation you will use would be 40x + 15x =115. you're welcome.

4 0
3 years ago
10-5x=3(x-4)-2(x+7)-------
VashaNatasha [74]

Answer:

x=6

Step-by-step explanation:

10-5x=3(x-4)-2(x+7)

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10-5x=3x-12-2x14

Combine like terms

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add 5x to each side

10-5x+5x = x+5x-26

10 = 6x-26

Add 26 to each side

10+26 = 6x-26+26

36 = 6x

Divide by 6

36/6 = 6x/6

6 =x

5 0
3 years ago
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X=2 is the correct answer x=2
8 0
3 years ago
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CAN YOU GUYS PLEASE HELP ME?!!!!!!
DanielleElmas [232]

Answer:

6) C

-2r\left(8r+5\right):\quad -16r^2-10r\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\=-2r\cdot \:8r+\left(-2r\right)\cdot \:5\\=-2\cdot \:8rr-2\cdot \:5r\\\mathrm{Simplify}\:-2\cdot \:8rr-2\cdot \:5r:\quad -16r^2-10r

<em>7) </em>B

4a\left(a^2+7a+4\right):\quad 4a^3+28a^2+16a

\mathrm{Distribute\:parentheses}\\=4aa^2+4a\cdot \:7a+4a\cdot \:4\\=4a^2a+4\cdot \:7aa+4\cdot \:4a\\\mathrm{Simplify}\:4a^2a+4\cdot \:7aa+4\cdot \:4a:\quad 4a^3+28a^2+16a

<em>Hope this helps and have a great day!!!</em>

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