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4 years ago

5) 90° A) acute C) straight B) obtuse D) right

Mathematics

2 answers:

Reil [10]4 years ago

7 0

｡☆✼★ ━━━━━━━━━━━━━━ ☾

A right angle is exactly 90 degrees.

Thus, your answer is option D

Have A Nice Day ❤

Stay Brainly! ヅ

- Ally ✧

｡☆✼★ ━━━━━━━━━━━━━━ ☾

Whitepunk [10]4 years ago

4 0

The answer is D! Have fun hun

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According to the general equation for conditional probability, if P(A n B) = 3/10 and P(B)= 2/5 what is p(alb)

Natali5045456 [20]

Answer:

P(A given B) = 3/4

Step-by-step explanation:

As we know that it is conditional probability, where the probability of an event depends on the event that has certain probability of occurrence.

The formula for conditional probability is:

P(A given B) = P(A ∩B) / P(B)

Where a and B are events. The probability of event B is known and we also know probability of A∩B

So, putting the values in the formula:

$P(A\ given\ B) = \frac{P(A and B)}{P(B)}\\= \frac{\frac{3}{10} }{\frac{2}{5} } \\=\frac{3}{10} *\frac{5}{2}\\=\frac{3}{4}$

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4 years ago

3.5(x+2.2)^2+3.5(y-11.1)^2=21 what is the radius of the circle?

Alchen [17]

The radius of the circle would be 12

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3 years ago

Find the slope for numbers 1-6

Helga [31]

Answer:

#1 is 2

#2 is -2/3

#3 is -2/5

#4 is -1/2

#5 is 4

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Step-by-step explanation:

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3 years ago

At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.

riadik2000 [5.3K]

Answer:

$ $$2.25$

Step-by-step explanation:

Let $b =$ the cost of one brownie, $c =$ cost of one cookie

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Times $3$ on both sides on the second equation above to get the following:

$3b + 6c = 11.85$

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To find the value of $b$ , use substitution:

$b+2c = 3.95$

$b = 3.95-2c$

$= 3.95 - 2\times0.85$

$= 2.25$

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3 years ago

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