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DerKrebs [107]
3 years ago
5

I need help with questions 6 and 7

Mathematics
1 answer:
nataly862011 [7]3 years ago
4 0
12(+2) B. thats the answer
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Two fractions with different denominators that have the sum of 1/3
klemol [59]
1/4. and. 1/12. will do that.
3 0
4 years ago
Given: AE ≅ CE ; DE ≅ BE Prove: ABCD is a parallelogram. Parallelogram A B C D is shown. Diagonals are drawn from point A to poi
nikklg [1K]

Answer:

The proof is below

Step-by-step explanation:

Given a parallelogram ABCD. Diagonals AC and BD intersect at E. We have to prove that AE is congruent to CE and BE is congruent to DE i.e diagonals of a parallelogram bisect each other.

In ΔACD and ΔBEC

AD=BC              (∵Opposite sides of a parallelogram are equal)

∠DAC=∠BCE       (∵Alternate angles)

∠ADC=∠CBE        (∵Alternate angles)

By ASA rule, ΔACD≅ΔBEC

By CPCT(Corresponding Parts of Congruent triangles)

AE=EC and DE=EB

Hence, AE is conruent to CE and BE is congruent to DE

6 0
3 years ago
Can you figure this out? And then show your work plz?
Salsk061 [2.6K]

Step-by-step explanation:

You can use PEMDAS to solve this problem from left to right.

First, do 15 ÷ 3 to get 5.

Next, do 2 x 10 to get 20.

Lastly, add 5 and 20 to get 25.

<u>15 ÷ 3</u> + 2 x 10

5 + <u>2 x 10</u>

<u>5 + 20</u>

25

3 0
3 years ago
Read 2 more answers
COS2A+ cos2 A cot2A =cot 2 A
Kryger [21]

Answer:

a= (π/4) + (kπ/2)

Step-by-step explanation:

I have attached the explanation above. hopefully this will help

6 0
3 years ago
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A grocery store buys items and then applies a markup of 70%. What is the retail price of item that originally costs $10?
S_A_V [24]

Answer:

$17.00

Step-by-step explanation:

10 x 1.70 = $17.00

8 0
3 years ago
Read 2 more answers
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