4 years ago

Which two sets of angles are corresponding angles?

1 answer:

7 0

The answer should be the third option. This is because the triangle in the left is rotated. If we rotate it to the correct side, where the 4 side goes to the right, the triangle will be similar to the left one. When 2 triangles r similar, even their length is different, but the 3 angles are same to each other.

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Which equation represents the following word problem?

vovikov84 [41]

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its the last one

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Write a quadratic equation whose solutions are 7i and -7i

mrs_skeptik [129]

$x = \pm 7i \\ \\ x^2 = -49 \\ \\ x^2 +49 = 0$

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4 years ago

Which graph is a function of x?

motikmotik

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Step-by-step explanation:

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4 years ago

A penny, nickel, and dime are simultaneously flipped. What is the probability that heads are showing on at least 6 cents worth o

Nastasia [14]

Answer:

5/8

Step-by-step explanation:

The number of possible outcomes after flipping 3 coins is $2 \times 2 \times 2 = 8$. If the dime isn't heads, we need both the penny and nickel to be heads. If the dime is heads, the other two could be anything. So there are a total of $1+(2 \times 2)=5$ ways for us to get at least 6 cents. The answer is $\boxed{\dfrac58}.$

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2 years ago

(Right angle Trigonometry) Please help me solve and explain!

laila [671]

Answer:

31.3

Step-by-step explanation:

Reference angle given = 56.1°

Hypotenuse = 56.1

Adjacent side = x = ?

We would apply CAH, which is:

Cos 56.1° = Adj/Hyp

Cos 56.1° = x/56.1

56.1 × Cos 56.1° = x

31.2895006 = x

x = 31.3 (approximated to the nearest tenth)

8 0

3 years ago