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sweet-ann [11.9K]
3 years ago
12

What does (-3n+4)+(n+11)

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0

it is 79 i think but make sure to check


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Kevin designs a sprinkler system for his yard. One rotation of the the sprinkler waters a circle with an area of 255pie square f
pantera1 [17]
The area of a circle can be found using:
pi x r^2 (where r is the radius)

If the area of the circle is 255pi, then:
pi x r^2 = 255pi

Now we need to make r the subject:

r^2 = 255 (cancel the pi on both sides)

r = square root of 255

r = 15.96871942

Answer: 15.96871942 feet
Hope the answer helps :)
8 0
3 years ago
Consider the following intermediate chemical equations.
Natalija [7]

Answer:

A. -205.7 kJ

Step-by-step explanation:

The overall enthalpy of reaction be calculated when the intermediate steps are present

formed in a multi-step process.

4 0
3 years ago
a. Miss Butler made a circle graph to show the grades on the term papers. There were 14 B's, 10 A's, and 8 C's.​
dexar [7]
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2 years ago
F(x) = 4x^2+2x+6 what is the discriminant of f? How many distinct real number zeros does f have?
Sunny_sXe [5.5K]

Answer:

The discriminant of f is 92, and it has no real zeros

Step-by-step explanation:

The discriminant of a quadratic is b^2-4ac, where the quadratic is in the form ax^2+bx+c. The discriminant of this one is therefore:

2^2-4(4)(6)=4-96=-92

Since the square root of a negative number is imaginary, this quadratic has no real number zeros. Hope this helps!

8 0
3 years ago
Rewrite each equation to solve for m.
Damm [24]

Answer:

1. M = 7-5n

2. M = 5n - 8 / 4

3. M = - 8n - 1 / 3

4. M = - -5n-13/3

7 0
2 years ago
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