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Cerrena [4.2K]
3 years ago
6

Rewrite using sigma notation 12+16+20+24+28

Mathematics
1 answer:
stiv31 [10]3 years ago
3 0
Sorry i don't know this

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Can someone help me​
sashaice [31]

Answer:

16.25

Step-by-step explanation:

6.5 + 5 = 32.5/2 = 16.25

8 0
3 years ago
Help me with my geometry
GalinKa [24]

What do you need help with? I'm looking for points mate..

6 0
3 years ago
Please please help me no links
Finger [1]

Given:

In triangle ABC, AB = AC, AD is angle bisector and measure of angle C is 49 degrees.

To find:

The value of x and y.

Solution:

In triangle ABC,

AB=AC                    (Given)

So, triangle ABC is an isosceles triangle and by the definition of base angles the base angles of isosceles triangle are congruent.

In isosceles triangle ABC,

\angle B\cong \angle C

m\angle B\cong m\angle C

m\angle B\cong 49^\circ

The angle bisector of an isosceles triangle is the median and altitude of the triangle. So, the angle bisector is perpendicular to the base.

m\angle ADB=90^\circ

x^\circ=90^\circ

In triangle ABD,

m\angle DAB+m\angle ABD+m\angle ADB=180^\circ         [Angle sum property]

y^\circ+49^\circ+x^\circ=180^\circ

y^\circ+49^\circ+90^\circ=180^\circ

y^\circ=180^\circ-49^\circ-90^\circ

y^\circ=41^\circ

Therefore, the correct option is B.

3 0
3 years ago
David has 4 cages of hamsters. The second cage has 1/2 as many hamsters as the first. The third cage has 1/2 as many hamsters as
atroni [7]

Answer:

1/4 of the first cage

8 0
3 years ago
Read 2 more answers
Macon eats 33 animal crackers as a snack every day after school. how many animal crackers does she eat during a 5 day school day
Pavlova-9 [17]

Answer:

165 crackers.

Step-by-step explanation:

33x5=165 crackers

3 0
2 years ago
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