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Nezavi [6.7K]
3 years ago
9

Zahra plans to draw a triangle with angles measuring 50 degrees, 60 degrees, and 70 degrees. Which is true about Zahra’s plan?

Mathematics
1 answer:
inna [77]3 years ago
8 0

Answer:

Zahra cannot make a triangle with these angle measures.

Step-by-step explanation:

Zahra cannot make a triangle with these angle measures.

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(5a2 + 4ab – 3b2) – (–5ab + 4b2 + 3a2) =
jarptica [38.1K]

Answer:

See below.

Step-by-step explanation:

(5a^2 + 4ab – 3b^2) – (–5ab + 4b^2 + 3a^2)

5a^2+4ab-3b^2+5ab-4b^2-3a^2

(5a^2-3a^2)+(4ab+5ab)+(-4b^2-3b^2)

2a^2+9ab-7b^2

-hope it helps

7 0
3 years ago
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I just need help with 2 3 and 4
Akimi4 [234]
2)Perimeter=28 rounded to 30. Area=48 rounded up to 50.
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3 years ago
A number cube has the numbers 1, 2, 5, 5, 6, and 6 on its faces. Match the probability with the outcome. 1. P(5 ∪ 6) 2. P(2 ∪ 5
Tems11 [23]

Answer:

1. P(5 U 6) =2/3

2. P(2 U 5 U 6) = 5/6

3. P(1 U 2) = 1/3

4. P(4) = 0

Step-by-step explanation:

As the number cube has 6 sides,

So,

Total outcomes = {1,2,5,5,6,6}

n(S) = 6

Now,

1. P(5U6) = P(5) + P(6)

P(5)=2/6=1/3

P(6)=2/6=1/3

P(5U6)= 1/3 + 1/3 = 2/3

2. P(2 U 5 U 6) = P(2) + P(5) + P(6)

P(2)=1/6

P(5)=2/6

P(6)=2/6

P(2 U 5 U 6) = 1/6 + 2/6 + 2/6

= 5/6

3. P(1 U 2) = P(1) + P(2)

P(1) = 1/6

P(2)= 1/6

P(1 U 2) = 1/6 + 1/6

= 2/6 = 1/3

4. P(4) = 0

As 4 is not in the outcomes, it's probability will be zero ..

5 0
4 years ago
Taryn and lanny were each asked to represent 75% of $1.00
sergejj [24]

Answer:

75 percent of a dollar is 75 cents so were they each asked to represent that much?

Step-by-step explanation:

sorry confusing question

6 0
3 years ago
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Round 15.033 to the nearest hundredth.
insens350 [35]

Answer:

15.03

Step-by-step explanation:

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