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Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

7 0

Answer:

Step-by-step explanation:

3 hope this helps :))

Anit [1.1K]3 years ago

6 0

Answer:

Finally i can answer pretty sure its 3

Hope this helps (≖ᴗ≖✿)

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if line ab is parallel to line CD,and line CD is perpendicular to line EF.what can you conlude about AB andEF

eimsori [14]

If line AB is parallel to line CD, and line CD is perpendicular to line EF, AB is perpendicular to line EF due to the perpendicular transversal theorem<span>,which says, if a line is perpendicular to another line, then it is perpendicular to the line parallel to the second line.

This theorem can be proved through the transversal postulate and theorems.</span>

6 0

4 years ago

Can someone help me :(

Ivan

The triangles are similar by AAA so make ratios and solve
$\frac{21}{14} = \frac{x}{20} \\ x = \frac{21 \times 20}{14} \\ x = 30$

7 0

3 years ago

Slope = 5/2 y-intercept = 0

My name is Ann [436]

So its this answer because the y is equal to the x plus the y-intercept but the y is 0 so; y=5/2x

7 0

3 years ago

13. Oscar's dog house is shaped like a tent. The slanted sides are both 5 feet

VashaNatasha [74]

Answer:

The height of the dog house = 4 feet.

Step-by-step explanation:

Given:

The shape of the dog house is like a tent.

The slant heights of the house is 5 feet.

The bottom of the house is 6 feet across.

To find the height of the dog house at its tallest point.

Solution:

On drawing the figure of the dog house in the shape of a tent, we find out that the tallest point would be at the midpoint of the bottom of the house.

Thus, we ave a right triangle, of which one leg = $\frac{6\ ft}{2}=3\ ft$ and hypotenuse = $5\ ft$