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Aleksandr-060686 [28]
3 years ago
11

Find the variable of each pair

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0
A. X=4
B. Y= 24, X= 6
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Points D and E are midpoints of the sides of triangle ABC. The perimeter or the triangle is 48 units. What is the value of t?
Komok [63]

Answer:

2 units

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangle are acute, obtuse, scalene, isosceles, equilateral and right angled triangle.

Since point D and E are midpoints of the sides of triangle ABC, hence:

AD = BD = 3t, BE = CE = 4t, AC = 7t + 6

The perimeter of triangle ABC = AC + BC + AB = AC + AD + BD + BE + CE;

Substituting:

48 = 7t + 6 + 3t + 3t + 4t + 4t = 21t + 6

48 = 21t + 6

21t = 42

t = 2 units

8 0
3 years ago
Please help me with this function. No one has been giving me correct answers!
zaharov [31]

Answer:

c

Step-by-step explanation:

in c, one of the domains has 2 ranges so it is not a function

5 0
4 years ago
A bat and ball both costs £1:10c, If the bat costs a dollar more how musch does the ball cost
kodGreya [7K]
5 Cent
 because dollar more right?
so 10 cent left then divide half and half
8 0
4 years ago
Read 2 more answers
Rachel enjoys outdoors. Today she wakes 5 2/3 miles in 2 2/3 hours. What is Rachels unit walking rate in miles per hour and in h
dolphi86 [110]

Answer:

2 1/8 mph.

Step-by-step explanation:

Distance= time x speed

Same way, Distance divided by time=speed.

In this situation, just divide 5 2/3 by 2 2/3.

Hope this helps!

6 0
3 years ago
Whats the measure of the angles (SHOW YOUR WORK so I can understand)
evablogger [386]

Answer:

Angle DEB: 52

Angle ADB: 30

Angle CBE: 52

Angle BEC: 38

Step-by-step explanation:

Angle DEB = 52 because triangles' angles must add up to 180. Angle ADB is 30 because it is complementary to angle BDE. Angle CBE is 52 because angle BEC is complementary to BED which is 52 degrees to BEC is 38 degrees. since the angles add up to 180, and C is 90, CBE is 52. Finally, BEC is 38 because it is complementary to BED.

5 0
3 years ago
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