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Savatey [412]
3 years ago
15

A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.

Mathematics
2 answers:
Alexus [3.1K]3 years ago
6 0
The answer is 4 because of the symbol
enyata [817]3 years ago
5 0

Answer:

The answer is C.4.

Explanation:

What I did was to divide -9 by 3 to get -3. Then I added 7 to -3, which got me to the answer of 4.

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Can someone explain to me what a “derivative” means? How do you find the derivative of f(x)=x^3+1?
Ostrovityanka [42]
The derivative is the rate of change of a function, basically represents the slope at different points. To find the derivative of the given function you can use the power rule, which means, if n is a real number, d/dx(x^n)= nx^(n-1). This is a simplification of the chain rule based on the fact that d/dx(x)=1. Anyway, this means that d/dx(x^3 + 1)= 3x^2. Here n is 3 and so it is 3*x^(3-1)= 3x^2. The derivative of x^3+1 is 3x^2.

If you are wondering what happened to the 1, for any constant C, d/dx(C)=0.
4 0
3 years ago
How do you get to the point (-3.4)? *
kaheart [24]

Answer:

3 down, 4 up

Step-by-step explanation:

-3 is the X line, which starts on 0, if you subtract 3, or add -3, you would have to go down, 3 down. 4 is on the Y line, so you add, go left to add on the Y line, 4 up.

Always start with you X coordinate. Here is a tip to help you (X, Y)

7 0
2 years ago
Numbers get 10x bigger or smaller when you move one place to the right on the decimal scale. true or false
SpyIntel [72]

Answer:

It is true!!!'djjfdjidjdneidid

4 0
3 years ago
Jori has 2 gallons of distilled water and uses 7/6 gallon in a science experiment. What fraction of a gallon does she have left?
Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

6/6 = 1 gallon

12/6 = 2 gallons

12/6 - 7/6 = 5/6

5/6 should be the answer

5 0
3 years ago
if friend is 55 feet tall and casts a shadow that is 3.53.5 feet long. What is the height of the bird house?
kakasveta [241]
20 feet high. I hope this helps!
8 0
3 years ago
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