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sashaice [31]
3 years ago
8

A JKL~A MNO. The similarity ratio of A JKL DO A MNO is . What is the length of MN?

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

Answer:

6

Step-by-step explanation:

15 = 5/2x

15 = 5x/2

30 = 5x

x = 6

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Pythagorean theorem..
DedPeter [7]

{\huge{\underbrace{\bf{\pink{Answer}}}}}

Length of missing leg = 12 km

Using Pythagoras theorem

a² = 15² - 9²

a = √ 225 - 49

a = √144

a = 12 km

HOPE IT HELPS..

4 0
3 years ago
Read 2 more answers
What is the percent of change if 90 is decreased to 82
Sedbober [7]
Answer: - 8.89%

I am going to explain you in detail ir order to help you to be able to do this kind of problems by yourself.

The definition of percent change, %, is:

          change
% = ---------------- * 100
        base value

The base value is from where you start or the value for which you want to asses the variation.

So, in this case the base value is 90 (starting value).

The change is final value - initial value = 82 - 90 = - 8. The negative sign means that the value decreased.

So, following the formula you get:

         82 - 90                - 8
% =  ----------- * 100 = -------- * 100 = - 8.89
            90                     90

Answer: the percent of change is - 8.89 %, meaning that the value decreased 8.89%.
4 0
3 years ago
Read 2 more answers
Simplify this 13.) 13y² + 9y + 4y² - 31y
erastova [34]

Answer: 17y^2-22y

Step-by-step explanation:

13y^2+9y+4y^2-31y

\mathrm{Group\:like\:terms}

=13y^2+4y^2+9y-31y

\mathrm{Add\:similar\:elements:}\:13y^2+4y^2=17y^2

=17y^2+9y-31y

\mathrm{Add\:similar\:elements:}\:9y-31y=-22y

=17y^2-22y

3 0
3 years ago
I don't get this problem. Lila decided to make kore baked goods for the bake sale. She used 1 / 8 lb less flour to make bread th
Anvisha [2.4K]
Start by taking the information we know, and write equations to represent the realationships:

1) "1/8 lbs less flour to make bread than to make cookies"         
     b=c-\frac{1}{8}

2) "1/4 lb more flour to make cookies than to make brownies:
     c=w+\frac{1}{4}

3) "she used 1/2 lb of flour ro make bread"
    b = \frac{1}{2}

From here you can solve for w using back substitution. 
7 0
3 years ago
2. In the figure, is an exterior angle to . complete sentences
Cerrena [4.2K]

Answer:

a)180-57-20=103

b)180-103=77

Step-by-step explanation

6 0
3 years ago
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