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kakasveta [241]
3 years ago
6

Please answer this question! 20 points and brainliest!

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0

Answer:

Subtraction, addition, division

Step-by-step explanation:

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Y-4x=9 in standard form
11111nata11111 [884]

Answer: y - 4x = 9 <em>in standard form is</em> -y + 4x = -9

4 0
3 years ago
I DONT UNDERSTAND THIS I NEED HELP
musickatia [10]

Answer:

It is -4 :)

Step-by-step explanation:

I just did this lol

6 0
2 years ago
20 points<br> How on Earth am I supposed to do this
goblinko [34]

Answer: -89

Step-by-step explanation:

So your equation is

- 9(a) - 7(x) - 9(c) - 9(b) - 7(y)

You know that (a) (b) and (c) = -1

You also know that (x) and (y) = 7

So, when you put this into the equation, it will look like this:

- 9(-1) - 7(7) - 9(-1) - 9(-1) - 7(7)

When you work that out you will get left with your answer, which is -89.

HOPE THIS HELPS!!!

3 0
3 years ago
If the population of a country increases at a rate of 1.5% annually, and its current population is 430,000, how many years will
Alchen [17]
For this case we have an equation of the form:
 y = A * (b) ^ t&#10;
 Where,
 A: initial amount
 b: growth rate
 t: time in years.
 Substituting values we have:
 y = 430000 * (1,015) ^ t&#10;
 By the time the population is triple we have:
 3 * 430000 = 430000 * (1,015) ^ t&#10;
 Rewriting we have:
 3 = (1,015) ^ t&#10;
 Clearing t we have:
 t = log1.015 (3)&#10;&#10;t = 73.78876233&#10;&#10;t = 73 years
 Answer:
 
It will take for the population to triple about:
 
t = 73 years
3 0
3 years ago
A triangle has two sides measuring 10 inches and 16 inches. The angle opposite the 16-inch side measures 68.9°. Solve the triang
Nezavi [6.7K]

Answer:

measure of two unknown angles are 35.7° and 75.4°

measure of one unknown side is 16.6 inches

Step-by-step explanation:

i used law of sines to find the angle opposite 10 inch side

sin 68.9/16 = sinФ/10

Ф = 35.7°

then is added 35.7 and 68.9 and subtracted the sum from 180° to get the measure of the third angle, 75.4°

i used law of sines again to find the measure of the third side

sin 68.9/16 = sin 75.4/x

x = 16.59

4 0
3 years ago
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