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3 years ago

The area of the circle is 40 yards find the area of the circle. Use 3.14 for π.

Mathematics

2 answers:

ZanzabumX [31]3 years ago

6 0

Answer:

5026.55

Step-by-step explanation:

A=πr2=π·402≈5026.54825

aleksandr82 [10.1K]3 years ago

5 0

Answer:

Step-by-step explanation:

We know that the area of the circle is 40 yards, so the area of the circle would be 40 yards.

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Which relationship describes angles 1 and 2?

malfutka [58]

Answer:

vertical angles

Step-by-step explanation:

When two lines intersect at a single point, they form 4 angles. Two angles that are not adjacent are vertical angles. With an intersection of two lines art a single point, there are two pairs of vertical angles. Angles 1 and 2 are vertical angles.

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3 years ago

Read 2 more answers

(Anderson, 1.14) Assume that P(A) = 0.4 and P(B) = 0.7. Making no further assumptions on A and B, show that P(A ∩ B) satisfies 0

Goshia [24]

Answer with Step-by-step explanation:

We are given that

P(A)=0.4 and P(B)=0.7

We know that

$P(A)+P(B)+P(A\cap B)=P(A\cup B)$

We know that

Maximum value of $P(A\cup B)$ =1 and minimum value of $P(A\cup B)$ =0

$0\leq P(A\cup B )\leq 1$

$0\leq P(A)+P(B)-P(A\cap B)\leq 1$

$0\leq 0.4+0.7-P(A\cap B)\leq 1$

$0\leq 1.1-P(A\cap B)\leq 1$

$0\leq 1.1-P(A\cap B)$

$P(A\cap B)\leq 1.1$

It is not possible that $P(A\cap B)$ is equal to 1.1

$1.1-P(A\cap B)\leq 1$

$-P(A\cap B)\leq 1-1.1=-0.1$

Multiply by (-1) on both sides

$P(A\cap B)\geq 0.1$

Again, $P(A\cup B)\geq P(B)$

$0.4+0.7-P(A\cap B)\geq 0.7$

$1.1-P(A\cap B)\geq 0.7$

$-P(A\cap B)\geq -1.1+0.7=-0.4$

Multiply by (-1) on both sides

$P(A\cap B)\leq 0.4$

Hence, $0.1\leq P(A\cap B)\leq 0.4$

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3 years ago

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elixir [45]

Answer:

Step-by-step explanation:

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2 years ago

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GuDViN [60]

The total of all angles are 360 degrees for a parallelogram. One angle is 10 and the one opposite is also 10. B = 340/2=170 degrees

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3 years ago

Simplify 7m - 11n - n + 5m.

goblinko [34]

Answer:

The simplified form of the given expression is 12(m -n).

Step-by-step explanation:

The given expression is

$7m - 11n - n + 5m$

We need to simplify the given expression.

Rearrange the terms according to the variables.

$7m+5m - 11n - n$

On combining like terms, we get

$(7m+5m)+( - 11n - n)$

On simplification, we get

$(12m)+( -12n)$

$12m -12n$

Taking GCF common.

$12(m -n)$

Therefore the simplified form of the given expression is 12(m -n).

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3 years ago