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algol [13]
3 years ago
15

Find the number to be added to complete the square x^2+6x-4

Mathematics
1 answer:
N76 [4]3 years ago
3 0
Assuming we want to factor the formula to (x+3)(x+3), you want to have a +9 where there is a -4 now. So you must add 13.


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The sum of two consecutive integers is 65. Find the two integers.
Oliga [24]
32+33=65 
60/2 is 30, so they have to be in their thirties. Then 2+3=5, therefore they must be 32 and 33
7 0
4 years ago
Dry dog food is sold for $9.79 for a 5 pound bag. Dylan bought the bag of dog food to feed his 4 puppies for the next month. If
kotegsom [21]

Answer:

5÷4=1,25

each puppy will get 1,25 pound of dry dog food.

6 0
4 years ago
PLEASE HELPPPPPP<br>what is a semicirles permitier if the diameter is 4​
trapecia [35]

The straight edge of the semicircle is 4 units, as this is this the diameter.

The circumference of the full circle is

C = pi*d = pi*4 = 4pi

which is the distance around the full circle (aka circle's perimeter)

So half of this is 4pi/2 = 2pi

Add this onto the straight edge length to get 4+2pi as the exact distance around the entire semicircle. This includes both straight and curved portions.

If you use the approximation pi = 3.14, then 4+2*pi = 4+2*3.14 = 10.28 is the approximate answer. To get a more accurate answer, use more decimal digits in pi.

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

In summary,

exact answer in terms of pi is  4+2pi units

approximate answer is roughly 10.28 units (using pi = 3.14)

6 0
3 years ago
How do I find and interpret slope​
user100 [1]
If there’s a graph, draw a triangle and do rise/run.
If there are two given points use formula: (y2-y1)/(x2-x1) to find slope
8 0
3 years ago
Read 2 more answers
What is the equation of a line whose slope is 3/4 and y-intercept is 6
TEA [102]

Answer:

y=\frac{3}{4}x +6

Step-by-step explanation:

The equation of a line is represented by y=mx+b, where m is the slope and b is the y-intercept. Therefore, plug in the values you stated into the equation.

4 0
4 years ago
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