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uysha [10]
3 years ago
5

What graph represents the function f(x)= -x2+5?

Mathematics
1 answer:
ololo11 [35]3 years ago
6 0
I hope it would helps

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Help please thanks don’t know how to do this
Setler79 [48]

Answer:

a = 11.71 ; b = 15.56

Step-by-step explanation:

For this problem, we need two things.  The law of sines, and the sum of the interior angles of a triangle.

The law of sines is simply:

sin(A)/a = sin(B)/b = sin(C)/c

And the sum of interior angles of a triangle is 180.

45 + 110 + <C = 180

<C = 25

We can find the sides by simply applying the law of sines.

length b

7/sin(25) = b/sin(110)

b = 7sin(110)/sin(25)

b = 15.56

length a

7/sin(25) = a/sin(45)

a = 7sin(45)/sin(25)

a = 11.71

6 0
3 years ago
What term describes the number 6 in the expression
pishuonlain [190]
Answer:
Coefficient
Explaination:
I just know
7 0
3 years ago
Read 2 more answers
A spinner is divided into 20 equal sections. What is the probability of the spinners pointer landing on section 5
BaLLatris [955]
One over twenty is the probability


4 0
3 years ago
ZA<br> Round your answer to the nearest hundredth.
Ahat [919]

Answer:

<em>A = 48.81°</em>

Step-by-step explanation:

<u>Angles in a Right Triangle</u>

When the side lengths of a right triangle are known and an angle must be determined, we can use the trigonometric ratios that relate angles and sides.

The tangent ratio is defined as:

\displaystyle \tan A=\frac{\text{opposite leg}}{\text{adjacent leg}}

Opposite leg to angle A is 8 and adjacent leg is 7, thus:

\displaystyle \tan A=\frac{8}{7}

Using the inverse tangent funcion:

\displaystyle A=\arctan\frac{8}{7}

Calculating:

A = 48.81°

5 0
2 years ago
The length of a rectangle is 4 less than twice the width. The area of the
Zolol [24]

Answer:

Width: 7 Length: 10

Step-by-step explanation:

Width: x

length: 2x-4

Area: 70 meters squared

(2x-4)x=70

2x^2-4x=70

2x^2-4x-70=0

2(x^2-2x-35)=0

(x-7)(x+5)=0

x cannot be negative so x=7

8 0
3 years ago
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