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eimsori [14]
3 years ago
7

Hello! :)

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer:okay I’m pretty smart it is c the answer  is 4:)

Step-by-step explanation:

Helga [31]3 years ago
7 0
Answer choice d sorry if I late
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This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the t
Ipatiy [6.2K]
B = base length
a = length of the other two equal sides

The value of 'a' is larger than the value of b. This is because the base is shorter than the other two equal sides. We're told that "one of the longer sides is 6.3 cm", meaning that a = 6.3

Replace every copy of 'a' in the given equation with 6.3; isolate b
2*a + b = 15.7
2*6.3 + b = 15.7
12.6 + b = 15.7
12.6 + b - 12.6 = 15.7 - 12.6 ... see note below
b = 3.1

note: I subtracted 12.6 from both sides. This is using the subtraction property of equality. 
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3 years ago
At a certain airport, 65% of the flights arrive on time. A sample of 10 flights is studied. Find the probability that all 10 of
babunello [35]

Answer:

So, the probability is P=0.0135.

Step-by-step explanation:

We know that at a certain airport, 65% of the flights arrive on time.

We get that p=0.65 and q=1-0.65=0.35.

We have 10 flights, so n=10.

We calculate the probability that all 10 of the flights were on time, so k=10.

We use the formulu:

\boxed{P(X=k)=C^n_k \cdot p^k\cdot q^{n-k}}

we get:

P(X=10)=C^{10}_{10}\cdot 0.65^{10}\cdot 0.35^0\\\\P(X=10)=1\cdot 0.0135\cdot 1\\\\P(X=10)=0.0135\\

So, the probability is P=0.0135.

5 0
3 years ago
What is the inverse of the functionf(x)=2x+1
mr Goodwill [35]

x = 2x + 1

x - 2x = 1

-x = 1

x = -1

3 0
4 years ago
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In the triangle shown, let AB = DE, BC = EF, and CA = FD. Use Rigid Motions to show (triangle)ABC onto (triangle) DEF.
ki77a [65]

Answer:

Step-by-step explanation:

Given: AB≅DE, BC≅EF, CA≅FD

Since those are the given it is maped A to D, B to E, C to F

This is a rigid transformation because the distance is preserve (givens) and the triangle ABC is map to triangle DEF.

Rigid transformations produce congruent figures so triangle ABC is congruent to triangle DEF

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3 years ago
Candy buys 20 ounces of mixed nuts. she puts an equal number of ounces in each of 3 bags. how many ounces of mixed nuts will be
Andrej [43]
Their will be 6.4 ounces of mixed nuts
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4 years ago
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