3 years ago

An even function must always have what characteristic?

Mathematics

1 answer:

Gelneren [198K]3 years ago

6 0

D because d is always right hahahahaha

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Suppose a triangle has 2 sides of length 3 and 4 and that the angle between these two sides is 60 degrees. what is the length of

shusha [124]

Answer:

$\boxed{b.\:\:\:\sqrt{13}}$

Step-by-step explanation:

Let the third side of the triangle be $h\: units$ .

We can apply the cosine rule to find $h$ .

$h^2=3^2+4^2-2(3)(4)\cos(60\degree)$

We evaluate to obtain;

$\Rightarrow h^2=9+16-24(\frac{1}{2})$

$\Rightarrow h^2=25-12$

$\Rightarrow h^2=13$

We take the positive square root of both sides to obtain;

$\Rightarrow h=\sqrt{13}$

The correct answer is B.

8 0

3 years ago

Mikey worked 8 hours on Wednesday, 6 hours on Thursday, and 7 hours on Friday. His gross pay for all three days was $187.95. Wha

Anuta_ua [19.1K]

Answer:

$8.95

Step-by-step explanation:

8 + 6 + 7 = 21

$187.95 divided by 21 = $8.95

6 0

2 years ago

PLS HELP

Korvikt [17]

Answer:

7 inches

Step-by-step explanation: Every 1 inch = 50 miles. So every 50 miles of tunnel is 1 inch in a scale drawing. 350miles/50 miles=7 inches.

The scale drawing is 7 inches.

4 0

3 years ago

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Please help me out here

emmainna [20.7K]

Answer:

X = 13

Step-by-step explanation:

Hope this helped! Stay safe! Peace!✌

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3 years ago

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Help me solve for x and y

Lena [83]

Let's start his with some trigonometry
Cos60=x/30
X=15
Now we can use Pythagorean therom
15^2+b^2=30^2
B(y)= 25.98

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3 years ago

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