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Vera_Pavlovna [14]
3 years ago
11

What is the value of x?

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0
The answer is D
5^2 + 8^2=x^2
25+64=x^2
89=x^2
√89=x
dedylja [7]3 years ago
4 0
It's A because a^2 +b^2
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A radio station has $400 to give away for a contest. It gives away a $50 prize each week. The equation y = 400 – 50x represents
Vlad1618 [11]

Answer:

The y intercept, (0,400) represents the amount of money the radio station originally had. The x-intercept, (8,0), represents the amount of weeks it will take for the radio station to have $0 left.

Step-by-step explanation:

5 0
3 years ago
Identify the conic that is formed by the intersection of the plane described and the double-napped cone.
DerKrebs [107]
<h3>Answer: B) hyperbola</h3>

If the cutting plane was parallel to the circular base of the cones, then we would have a circular cross section (assuming the plane doesnt cut through the vertex). However, we're told than the plane intersects both nappes, or cones, so it's not possible for the plane to be parallel to the base faces. We can rule out choice A.

We can rule out choice C and choice D for similar reasons. An ellipse only forms if the plane only cuts through one cone only, which is the same story for a parabola as well.

8 0
3 years ago
A game at the fair involves a wheel with seven sectors. Two of the sectors are red, two of the sectors are purple, two of the se
Zolol [24]

Answer:

Expected value: 3/7

Change landing on purple to -1.5

Step-by-step explanation:

Expected value

=3(1/7) + 1(2/7) + 0(2/7) - 1(2/7) = 3/7

Fair game: Expected value = 0

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7 0
3 years ago
Manuel created a factor tree and wrote the prime factorization of 60 shown below.
Slav-nsk [51]

Answer:

The mistake made by Manuel was not reducing 4 as a product of its prime numbers. That is, 2\times 2 = 4. 4 is a composite number and a product of 2 prime numbers.

Step-by-step explanation:

The factors of a given entire numbers consists in simplifying it several times until an equivalent product of prime numbers is found. Let is show the procedure for 60:

1) 60 Given

2) 15 \times 4 = 60 Definition of multiplication.

3) (5\times 3)\times (2\times 2)  = 60 Definition of multiplication.

4) (2\times 2)\times (3\times 5) = 60 Commutative property/Result.

The mistake made by Manuel was not reducing 4 as a product of its prime numbers. That is, 2\times 2 = 4. 4 is a composite number and a product of 2 prime numbers.

8 0
3 years ago
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Mr. Anderson is building a triangular-shaped roof for his shed. The triangle must be isosceles with its base (noncongruent) side
abruzzese [7]

Answer:

Solving for the value of x in the inequality will give us an answer of x > 7. Thus, the side of the congruent side of the triangle should be greater than 7 feet.

7 0
3 years ago
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