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saveliy_v [14]
3 years ago
8

I really need help on this

Mathematics
1 answer:
Lesechka [4]3 years ago
4 0

Answer:

2

4

3

1

Step-by-step explanation:

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Find the length of side Y (this is from the geometry for enjoyment and challenge textbook) PLEASE ANSWER ASAP IT'S DUE TOMORROW!
Ymorist [56]

Answer:

y= 3

Step-by-step explanation:

The triangle on the left is a right triangle, so we can use trig functions to solve for the missing side, y.

First, find the length of the side that both triangles are connected to.

tan30=x/9

Isolate the x variable and solve.

9(tan30)=x

x= 5.19615

Now use the Pythagorean Theorem to solve for the side length, y.

a^2+ b^2 = c^2

(5.19615)^2+ b^2= 6^2

c= 3

4 0
3 years ago
Find the slope and the y-intercept of the graph of the linear equation. 1. y=3x-7 2. y-1=-2/3x
ELEN [110]

Answer:

1) Slope: 3; y-intercept: -7

2) Slope: 2/3; y-intercept: 1

Step-by-step explanation:

y = mx + b; m is slope and b is y-intercept

1. y = 3x - 7

The equation is already in slope-intercept form, so you can find the slope and intercept.

Slope: 3

y-intercept: -7

2. y - 1 = 2/3x

For this one, you have to convert this into slope-intercept form (solving for y)

y - 1 = 2/3x

Add 1 to both sides

y - 1 + 1 = 2/3x + 1

y = 2/3x + 1

Now that the equation is in slope-intercept form, you can get the slope and y-intercept.

Slope: 2/3

y-intercept: 1

5 0
3 years ago
The maximum height of a vehicle that can pass under a bridge is 12 feet 5 inches. A truck measures 162 inches in height. Which b
andriy [413]

Answer:

The truck can not safely pass under the bridge

Step-by-step explanation:

The maximum height in inches is 149in.

12 feet times 12 inches = 144 in

144 +5 = 149in

If the truck is 162 inches than it would not be safe for it to pass under the bridge.

I hope this helps you!

8 0
3 years ago
Your mathematics teacher asks you to sketch a graph of the exponential function f(x) = (3 / 2)^x for x, a number
noname [10]

I think there is a mistake in the question.  If f(x) = (3 / 2)^x

, then

x f(x)

0 1

40 11057332.32

If the scale is 10 units to one inch, then you will need a paper size of 1105733.232 inches!

As a reference, a graph is included in attachments.

To get a linear function 2 points are needed. Assuming the equation g(x) = m*x and taking the points of the aforementioned table, we can compute the slope as

m = (f(x2) - f(x1))/(x2 - x1)

m = (11057332.32  - 1)/(40 - 0)

m = 276434.283

Function g(x) = 276434.283*x pass at points (0, 1) and (40, 11057332.32). h(x) = 276434.283*x + 2 fulfill the requirement that  h(x) is greater than f(x), for all x such that 0 ≤ x ≤ 40, but  f(41) > h(41), because at the next point, the exponential function will growths faster than linear function (see figure).

7 0
4 years ago
Express 3+square root -4 as a complex number
GuDViN [60]

Answer:

  3 +2i

Step-by-step explanation:

3+\sqrt{-4} =3+2\sqrt{-1}=3+2i \quad\text{assuming the positive square root}

7 0
3 years ago
Read 2 more answers
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