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elena55 [62]
3 years ago
9

Find the perimeter. Simplify your answer

Mathematics
1 answer:
meriva3 years ago
4 0

Answer:

23y-8

Step-by-step explanation:

First add together all of the terms that are next to a variable:

2y+10y+5y+6y=23y

Then add together all of the integers that are alone:

-9+10+(-7)+(-2)= -8

Add the two terms together and you get:

23y-8

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Help!!<br> What is the relationship between the corresponding angle bisectors BD and XZ?
Harrizon [31]

Answer:

XZ = 2.5 BD

Step-by-step explanation:

Comparing the two triangles,

\frac{BD}{BC} = \frac{XZ}{XY}

\frac{6}{8} = \frac{XZ}{20}

⇒ XZ = \frac{20*6}{8}

         = 15

XZ = 15

So that,

BD:XZ = 6:15

           = 1:2.5

Therefore, the relationship between BD and XZ is XZ = 2.5 BD.

8 0
3 years ago
Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75.percent f
irinina [24]

Answer:

33%

Step-by-step explanation:

Assuming the weight of the mixture to be 100g**, then the weight of ryegrass in the mixture would be 30g.

Also, assume the weight mixture X used in the mixture is Xg, then the weight of mixture Y used in the mixture would be (100-X)g.

So we can now equate the parts of the ryegrass in the mixture as:

0.4X + 0.25(100-X) = 30

<=> 0.4X + 25 - 0.25X = 30

<=> 0.15X = 5

<=> X = 5/0.15 = 500/15 = 100/3

So the weight of mixture X as a percentage of the weight of the mixture

= (weight of X/weight of mixture) * 100%

= (100/3)/100 * 100%

= 33%

3 0
4 years ago
Simplify:<br> (a) -2 + 3<br> 8<br> + (<br> −1<br> 5<br> )
tatiyna

Answer:

0iodsg

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I do not understand this Can you please help.
Marrrta [24]

Answer: 1.7 is the answer hope this helps.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the slope of the equation y– 3 = -4(х – 5)? A. -4 B. -3 C. 20 D. 23
Rainbow [258]

Answer:

Your answer would be: A. -4

Step-by-step explanation:

Use the slope-intercept form y = mx+b to find the slope m.

4 0
4 years ago
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