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3 years ago

Please send help, I need it answered.

Mathematics

1 answer:

guapka [62]3 years ago

5 0

Answer:

100 degrees

Step-by-step explanation:

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How many solutions does the following equation have? -3z + 9 -2z = -12 - 5z

asambeis [7]

This has no solutions

4 0

3 years ago

The horizontal line segment at the top of the polygon on the grid below is how many units long?

Ymorist [56]

Answer:

6 units long.

Step-by-step explanation:

Given:

A polygon drawn on a graph.

In order to determine the distance of the horizontal line at the top, we find the coordinates of the end points and then use distance formula to find the exact distance.

Let us label the polygon as ABCD as shown below. AB is the length of the horizontal line.

Coordinates of A are $(x_1,y_1)=(-3, 4)$ as seen in the graph.

Coordinates of B are $(x_2,y_2)=( 3, 4)$ as seen in the graph.

Now, distance formula for two points $(x_1,y_1)\ and\ (x_2,y_2)$ is:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d_{AB}=\sqrt{(3-(-3))^2+(4-4)^2}\\d_{AB}=\sqrt{(3+3)^2+0}\\d_{AB}=\sqrt{36}=6\ units$

Therefore, the horizontal line at the top is 6 units long.

4 0

3 years ago

Use the graph of y = f(x) to graph y= f(x) + 2

Mama L [17]

Explanation:

Draw a dot 2 units above each dot shown on the graph. Connect the dots in the same way they are connected here.

f(x)+2 simply translates the curve up 2 units.

7 0

3 years ago

X over 2 + 1 equal 6

Nataly_w [17]

First isolate $\frac{x}{2}$ by subtracting 1 from both sides of the equation.

That gives you $\frac{x}{2} = 5$ .

From here, since x is being divided by 2, multiply both sides of the equation by 2.

So <em>x = 10</em>.

Work is attached in the image below.

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3 years ago

An ant looks up to the top of a tree at an angle of elevation of 40 degrees. If the ant is 30 feet away from the base of the tre

hodyreva [135]

Tangent (40) = tree height / 30 feet
tree height = tangent (40) * 30 feet
tree height = 0.8391 * 30
tree height = 25.173 feet

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3 years ago