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2 years ago

What is the independent variable?

Mathematics

1 answer:

Sever21 [200]2 years ago

5 0

Answer:

Step-by-step explanation:

Well, I'm not sure if I'm correct, but from what I've learned, and independent variable is first which could be the temperature.

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Since BC is parallel to DE, triangles ABC and ADE are similar. What are the lengths of the unknown sides?

Yuri [45]

Answer:

Option D. AC= 10 cm and CE= 5 cm

Step-by-step explanation:

From the given figure two triangles ΔABC and ΔADE are similar and two lines BC║DE.

From these similar triangles we know

$\frac{AB}{AD}=\frac{BC}{DE}=\frac{AC}{AE}$

$\frac{8}{12}=\frac{BC}{9}=\frac{AC}{AE}$

Therefore $\frac{AC}{AE}=\frac{8}{12}=\frac{2}{3}$

Or AC= $\frac{2}{3}AE$

Now from pythagoras theorem

AE = √(AD²+ED²) = √(12²+9²) = √(144+81) =√225 = 15 cm

Since we know side AC = $\frac{2}{3}AE$

= $\frac{2}{3}\times 15$

= 10 cm

Therefore AC = 10 cm and AE = 15cm and CE = (15-10) = 5 cm

8 0

3 years ago

Can I get help with this please

S_A_V [24]

Answer:

Step-by-step explanation:

you want to multiply y by 2 or divide by 1/2

? = 1/2 in this problem

3 0

3 years ago

Find the y-intercept of the line on the graph.<br> Enter the correct answer.

klio [65]

Answer:

y-intercept = -1

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is the value of d?

icang [17]

Answer:

d=5

Step-by-step explanation:

7 0

2 years ago

Triangle ABC is an equilateral triangle. How many lines of symmetry does triangle ABC have?

xxTIMURxx [149]

1 because it can't be reflected over more than one line to be the same

4 0

2 years ago