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bagirrra123 [75]
2 years ago
13

Solve for the proportion. x+2/5=6/15

Mathematics
2 answers:
Lelechka [254]2 years ago
8 0

For this case we must solve the following proportion:

\frac {x + 2} {5} = \frac {6} {15}

Multiplying by 5 on both sides of the equation we have:

x + 2 = \frac {6 * 5} {15}\\x + 2 = \frac {30} {15}\\x + 2 = 2

Subtracting 2 from both sides of the equation:

x = 2-2\\x = 0

ANswer:

x = 0

tatuchka [14]2 years ago
4 0

Answer:

x = 0

Step-by-step explanation:

x + \frac{2}{5} = \frac{6}{15}

Simplify \frac{6}{15} so that both fraction have the same denominator

\frac{6/3}{15/3}

Subtract \frac{2}{5} from each side.

x + \frac{2}{5} = \frac{2}{5} \\-\frac{2}{5} -\frac{2}{5} \\\\x = 0

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Write an equation that is perpendicular to y = 2x + 5 and passes through (3 , -2)
Maslowich
To find the perpendicular line, we need to find the negative inverse slope.

y = -1/2x - 2

This line also passes through the point since both have the y intercept / value of -2.

Hope this helps!
3 0
3 years ago
I need help again.. can someone help me solve this...? I didn't get a screenshot of how to solve the perimeter but I know it had
fenix001 [56]

Answer:

21

Step-by-step explanation:

4 0
2 years ago
Which of the following is equal to (3^-3)(3^7)?<br><br> a. 3^4<br> b. 3^-4<br> c. 3^-10<br> d. 3^10
balu736 [363]

a. 3^4 which is equal to (3^-3)(3^7)

5 0
3 years ago
Bob and Mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
Damm [24]
Not this riddle again


3 kids
what you are supposed to do is factor 72 and see their sums
1+1+72=74
1+2+36=39
1+3+24=28
1+4+18=23
2+2+18=22
1+6+12=19
2+3+12=17
1+8+9=18
2+4+9=15
2+6+6=14
3+3+8=14
3+4+6=13


notice that all the sums are different except for the 2 that add to 14
since there is not enough info, we can conclude that the sum was 14 and that the ages is either 2,6,6 or 3,3,8
after he says, "the youngest is called justice"
now we know there is a youngest
it cannot be 3,3,8 because 3 and 3 are both youngest
therefor the ages are
2,6 and 6 years old
7 0
3 years ago
Answer the following question. (need to show work) 20/2-10+3*15=
slava [35]

Answer:

45.

Step-by-step explanation:

To solve this equation, we must use PEMDAS...

The operations listed first must be solved first before we can continue.

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Using this, we find that we must complete the multiplication and division before we add or subtract.

20 / 2 - 10 + 3 * 15

= (20 / 2) - 10 + (3 * 15)

= 10 - 10 + 45

= 0 + 45

= 45

Hope this helps!

3 0
3 years ago
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