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WARRIOR [948]
3 years ago
11

Need help plz help!!!

Mathematics
1 answer:
yawa3891 [41]3 years ago
4 0

Answer:

segment CD is congruent to segment EB

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A compound experiment consists of drawing at random twice without replacing from a jar with 3 red, 3 white, and 2 black marbles.
Eddi Din [679]
The solution to your problem about the probability <span>of getting first a red and then a black marble is as follows:

</span><span>(3 red / 8 total) * (2 black / 7 total) = 3/28 
</span>
Therefore, the probability of getting first a red and then a black marble is 3/28.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
8 0
3 years ago
You want to make 3 pairs of earrings that are in the shape of isosceles triangles. Each earring will have a base of 2 cm. The wi
son4ous [18]

Answer:

The length of each of the other two sides would be  3.1 cm

Step-by-step explanation:

<u><em>The options of the question are</em></u>

A. 3.1 cm

B. 3.2 cm

C. 4.2 cm

D. 6.1 cm

we know that

An isosceles triangle has two equal sides and two equal interior angles

Let

x -----> the length of each of the two equal sides in the isosceles triangle

The perimeter of one isosceles triangle is equal to

P=2x+2

Remember that

To maximize the use of the wire, the perimeter of 6 earrings (3 pairs of earrings) must be equal to 50 cm

so

6(2x+2)=50

Solve for x

12x+12=50

12x=50-12

12x=38

x=\frac{38}{12}=3.16\ cm

therefore

The length of each of the other two sides would be  3.1 cm

7 0
2 years ago
(a) Find the common difference of an A.P. whose first term is 5 and the number of terms is 30 and sum 1455.
Alexxandr [17]
Sum = n/2[2a + (n - 1)d] where a = first term, n = number of terms and d = common difference

(a) 30/2(2 x 5 + (30 - 1) x d) = 1455
10 + 29d = 1455 / 15
29d = 97 - 10
d = 87 / 29 = 3

(b) 7/2(2 x 9 + (7 - 1)d) = 0
18 + 6d = 0
6d = -18
d = -3
4 0
3 years ago
Could u all check this if am correct before i turn it in.​
just olya [345]
All the answers are correct.
8 0
2 years ago
Read 2 more answers
Please <br> Helppppp :) :)
harkovskaia [24]

Answer:

mm the answer would be

Step-by-step explanation:

1 may be

5 0
3 years ago
Read 2 more answers
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