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Lyrx [107]
3 years ago
13

Answer as much as you can

Mathematics
1 answer:
musickatia [10]3 years ago
5 0
19. Definition of an altitude
20. All right angles are 90 degrees
21. Definition of an altitude
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Please help! (I'll give brainliest to the first right answer.)
-BARSIC- [3]

Answer:

1. initial point is (2, 4)

reflected point is (-2, 4)

the coordinates are similar because they involve the same numbers, however, with the reflection across the Y axis, the X point became negative.

2. initial point is (2, 4)

reflected point is (2, -4)

again, same numbers but the X value becomes negative

Hope this helps!

4 0
3 years ago
Read 2 more answers
Find the indicated side of the triangle
Ksenya-84 [330]

The measurement of the given angle is 30 degree.

Here we use trigonometric ratio rule which is sin theta= opposite/hypotenuse

Here theta = 30 degree, opposite =7 and hypotenuse =a

So we get

sin 30 = 7/a

a= 7/sin 30

And value of sin 30 = 0.5

So we get , a = 7/0.5 = 14

So the value of a is 14 .

7 0
4 years ago
Read 2 more answers
Tina is making a scale model of A monument that is 155 feet tall she uses a scale of 1 inch = 5 feet how tall should Tina make h
fenix001 [56]

Tina should make 31 inch tall model to replicate 155 feet tall monument.

Step-by-step explanation:

This problem can be solved by direct unitary methods easily-

Firstly, Scale is the ratio of the dimension of the original substance to the dimension of a model

Scale= original dimension/ model dimension

Model is the miniaturised representation of a substance.

The monument is 155 feet tall

Tina replicates it with a scale 1inch: 5 feet

Thus, this means that Tina would need 155*1/5 = 31 inch tall model to replicate the complete length of the monument.

Hence Tina needs to make 31-inch tall model.

3 0
3 years ago
Read 2 more answers
• find the missing information for the triangle​
Savatey [412]

Answer:

You either need two sides and the angle between them or two angles and the side between them. Otherwise, you can construct a family of triangles that include the given pieces.

Step-by-step explanation:

"How do you find the missing sides of a triangle?"

I'm not a mathematician, but it seems to me that no one can find the missing sides (note the plural: "sides") of a triangle by having just one -- or none. You need at least two sides to get an answer...

6 0
3 years ago
Read 2 more answers
Use the properties of radicals to simplify the expression​
Ludmilka [50]

Given:

The expression is

\dfrac{\sqrt[3]{9}}{\sqrt[3]{4}}

To find:

The simplified form of given expression.

Solution:

We have,

\dfrac{\sqrt[3]{9}}{\sqrt[3]{4}}

It can be written as

\dfrac{\sqrt[3]{9}}{\sqrt[3]{4}}=\sqrt[3]{\dfrac{9}{4}}                    \left[\because \dfrac{\sqrt[a]{x}}{\sqrt[a]{y}}=\sqrt[a]{\dfrac{x}{y}}\right]

Therefore, the simplified form of given expression is \sqrt[3]{\dfrac{9}{4}}.

Note: We can further simplify this expression but be need use exponential properties.  

4 0
3 years ago
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