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Marysya12 [62]
3 years ago
13

What is the lengh of de?

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
6 0
DF is 2/3 the length of AC (10/15 = 2/3)
 so DE would be 2/3 the length of AB

AB = 27

DE = 2/3 x 27 = 18

 the answer is D

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Estimate the area of the top of a drum that has a radius of 14 inches
Anit [1.1K]
The equation for the area of a circle (as most drums are) is 
A= π · r² 
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3 0
4 years ago
the triangles below are congruent and their corresponding parts are marked. name all the corresponding congruent angles and side
GuDViN [60]

Answer:

See explanation

Step-by-step explanation:

The triangles below are congruent and their corresponding parts are marked.

a) Angles marked with one arc are congruent, so \angle B\cong \angle Z.

Angles marked with two arcs are congruent, so \angle A\cong \angle Y.

Angles marked with three arcs are congruent, so \angle C\cong \angle X.

b) Sides marked with one segment are congruent, so \overline {AC}\cong \overline {YX}.

Sides marked with two segments are congruent, so \overline {BC}\cong \overline {ZX}.

Sides marked with three segments are congruent, so \overline {AB}\cong \overline {YZ}.

c) Name teo congruent triangle following the congruence of angles:

\triangle BCA\cong \triangle ZXY

6 0
4 years ago
If f(x) = 4x + 12 is graphed on a coordinate plane, what is the yintercept of the graph?
Aneli [31]

Answer:

12

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this equation is in slope intercept form which is

y=mx+b

you just have to remember that m is your slope and b is your y intercept

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6 0
4 years ago
Read 2 more answers
You are purchasing a new car. In order to determine which car will provide maximum savings, you’ve researched miles per gallon (
Flauer [41]

Answer:

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6 0
3 years ago
Best & correct answer gets brainliest.
Katarina [22]
Option C is needed because the reason for proving this pair of congruent triangles is SAS, (an angle between 2 equal sides)
4 0
4 years ago
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