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Free_Kalibri [48]
3 years ago
11

2. Evaluate each expression when a = 4 and b = -1.

Mathematics
1 answer:
GalinKa [24]3 years ago
7 0
The answer is A) 2
B) 3
C) -4
D) 12
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Solve the system of equations. <br>5y-4x = -7 <br>2y+4y = 14​
timofeeve [1]

Answer:

5y-4x= -7 :

Slope = \frac{1.600}{2.000} = 0.800

<em>x </em>- <em>intercept =  </em>\frac{7}{4} = 1.75000

<em>y - intercept =  - </em>\frac{7}{5} =  -1.40000  <------both of these numbers a negative

----------------------------------------------

2y+4y = 14 :

<em>y = </em>\frac{7}{3} = 2.333

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<em>Hope this helped & good luck <333</em>

3 0
3 years ago
a city got 40 inches of rain in 2012 in 2013 it got 44.8 inches what was the percent increase? help fast ​
Alex777 [14]

Answer:

10.2% increase

Step-by-step explanation:

44.8-40 = 4.8

4.8/40 = 10.2

6 0
3 years ago
* please explain work / show it thxsss!!**
serious [3.7K]

Answer:

All you need to do is to calculate the perimeter of the circle since you already had the diameter

Base on the picture, the perimeter should be:

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8 0
3 years ago
What effect does 'h' have on the graph of a parabola?
Kipish [7]

The effect that  'h' have on the graph of a parabola is Horizontal shift or translation .

<h3>What is translation?</h3>

A translation is the movement of  a shape up, down , this can also be movement from side to side.

Even though there is movement,   its appearance remains the same in any other way, hence, h values cause left or right movement with respect to the graph.

Learn more about the Horizontal shift at

brainly.com/question/3200658

#SPJ1

7 0
2 years ago
How do you write 10% as a decimal?
Tatiana [17]
10% as a decimal is 0.10


Hope this helps!
5 0
3 years ago
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