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3 years ago

Help me please if you can!!

Mathematics

1 answer:

Xelga [282]3 years ago

6 0

Answer:

The measure of the 3 angles is 36.9, 53.1 and 90 degrees.

Step-by-step explanation:

5^2 = 3^2 + 4^2 so , by the inverse of Pythagoras Theorem, this is a right angled triangle so one angle is 90 degrees.

We can find the other 2 angles using trigonometrical ratios.

One angle will have a sine of 3/5 and the other a sine of 4/5.

So the angles are arcsin 3/5 = 36.9 degrees and the other is arcsin 4/5 = 53.1 degrees.

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G(x) = -3x² – 2 f(x) = -4x-1 Find f (4) and g(6).

Nastasia [14]

Answer:

g(6) = 106 and f(4) = - 17

Step-by-step explanation:

g(x) = - 3x² - 2 and f(x) = - 4x - 1; f(4) and g(6)

Now,

g(x) = 3x² - 2

g(6) = 3(6)² - 2

= 3 × 36 - 2

= 108 - 2

g(6) = 106

Similarly,

f(x) = - 4x - 1

f(4) = - 4(4) - 1

= - 16 - 1

f(4) = - 17

Thus, g(6) = 106 and f(4) = - 17

-TheUnknownScientist

4 0

3 years ago

Name another way to prove a quadrilateral is a rectangle.

snow_lady [41]

Actually there's too many ways but this was the simplest ways

6 0

3 years ago

Which characteristics of a graph tell you that it represents a proportional relationship?

elena-14-01-66 [18.8K]

Answer:

Any line passing through the origin represents a proportional relationship

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

therefore

Any line passing through the origin represents a proportional relationship

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3 years ago

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What is the answer to 6d+8=14+3d ?

jenyasd209 [6]

6d+8=14+3d
6d=14-8+3d
6d-3d=14-8
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4 0

3 years ago

For every 12 students that wore sneakers, there were 9 students that wore boots. How many students wore sneakers if 24 students

Olenka [21]

Answer:

C (32)

Step-by-step explanation:

12 sneakers / 9 boots = x sneakers / 24 boots

the ratio is 4:3 so divide 24 by 3 and multiply by 4

12 / 9 = (24 / 3 x 4) / 24

12 / 9 = 32 / 24

32 students wore sneakers

7 0

3 years ago

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