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Sergio039 [100]
3 years ago
7

Subtract 8-4 1/2. A. 3 B. 4 C. 4 1/2 D. 3 1/2

Mathematics
1 answer:
kicyunya [14]3 years ago
3 0
This was the answer I came up with - 3.5
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What would the equation be ?
Vikentia [17]

Answer:

y = 4/5x-18/5

Step-by-step explanation:

First we find the slope from the given points (-3,-6) (2,-2)

m = (y2-y1)/(x2-x1)

m = (-2 - -6)/(2 - -3)

   (-2+6)/( 2+3)

  4/5

The slope intercept form of an equation is

y = mx +b  where m is the slope and b is the y intercept

y = 4/5 x +b

Substitute a point into the equation to find b

-6= 4/5(-3) +b

-6= -12/5 +b

Add 12/5 to each side

-6 +12/5 = -12/5 +12/5 +b

Get a common denominator

-30/5 + 12/5 = b

-18/5 =b

The equation is

y = 4/5x-18/5

4 0
3 years ago
The graph of an exponential function is given. Which of the following is the correct equation of the function?
Effectus [21]
The answer is choice D

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

Explanation:

We can rule out choice B and choice C which are y = 2.4^x and y = 3.5^x respectively. Why can we eliminate these? Because they are growth functions (the bases are larger than 1). The graph shown is a decay function. It goes downhill as you read it from left to right.

The answer is either choice A or choice D

If we plug in x = -2 into the equations for A and D, we get
y = 0.65^x = 0.65^(-2) = 2.36686
y = 0.32^x = 0.32^(-2) = 9.765625

The result for choice D is much closer to what the graph is showing. The graph appears to have the point (-2,11) on the curve. So that's why choice D is the best answer. 

Note: the graph is a bit small and its not entirely clear which points are on this graph other than (0,1). So this is a bit of educated guesswork. 

7 0
3 years ago
Which solve the problem correctly <br> PLEASE HELP:p<br> 30 POINTS?!!
Drupady [299]

Answer: :( incorrect :( :( :( :(  = (

                                           

Step-by-step explanation:

3 0
3 years ago
Jason ran 7/8 of a mile in 12 minutes. How many miles can Jason run in 1 hour?
Scrat [10]
Its technically like 7/8 x 60 because 60 mins is an hour
4 0
3 years ago
Read 2 more answers
Hey loves!!! Can someone plz help me with this math question?
Otrada [13]

Answer:

Hey there!

They are congruent by AAS, where two angles and one side is congruent.

Hope this helps :)

6 0
3 years ago
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