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dolphi86 [110]
2 years ago
7

What set of numbers does NOT contain -7?

Mathematics
2 answers:
marishachu [46]2 years ago
4 0
Whole numbers
hi! .....

hodyreva [135]2 years ago
3 0

Answer:

Step-by-step explanation:

the answer is whole number, explination : A whole number is any number that does not contain a fraction, decimal, or negative value. For example, 1, 25, and 365 are whole numbers

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Anyone know this ? picture shown please help
valina [46]

They're just after some straightforward algebra starting from the Law of Cosine.  We don't have to evaluate any trig functions or anything like that.

c^2 = a^2 + b^2 - 2ab \cos C

We move the c² and the cosine term to their other sides,

2ab \cos C = a^2 + b^2- c^2

That's it for the algebra.  

a,b and c are the side lengths opposite A,B and C respectively.  So a=4, b=5, c=2.

We substitute:

2ab \cos C = 4^2 + 5^2- 2^2 = 16 + 25 - 4 = 37

Answer: A. 37

5 0
3 years ago
Use the given information to write the equation of the line in slope-intercept form: y = mx + b
worty [1.4K]

Answer:

y  =2x + 3

Step-by-step explanation:

Given

(-2,-1) and (3,9).

Required

Determine the line equation

First, we calculate slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

Where

(x_1,y_1) = (-2,-1)

(x_2,y_2) = (3,9)

So, we have:

m = \frac{9 - (-1)}{3- (-2)}

m = \frac{9+1}{3+2}

m = \frac{10}{5}

m = 2

The equation is then calculated using:

y - y_1 = m(x - x_1)

y - (-1) =2(x - (-2))

y - (-1) =2(x +2)

y +1 =2(x +2)

Open bracket

y +1 =2x + 4

Subtract 1 from both sides

y +1-1 =2x + 4-1

y  =2x + 3

7 0
2 years ago
Use d=1/2gt2 and solve for the time one spends moving upward in a 0.6-m vertical jump. Then double it for the "hang time"-the ti
Maksim231197 [3]

Answer:

t = 0.35 seconds

Step-by-step explanation:

We have given the equation:

d=1/2gt²

where,

g = 9.8 m/s²

d = 0.6 m

t = ?

Now put the values in the given formula:

d*2/g = t²

0.6*2/9.8 = t²

1.2/9.8 = t²

0.12245 = t²

Now find the square root of both sides

√t² = √0.12245

t = 0.35 seconds

8 0
3 years ago
The____ function is the most basic function in a family of functions
docker41 [41]
The answer is: parent function
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3 years ago
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The set of numbers in the form startfraction a over b endfraction a b​, where a and b are integers and bnot equals≠​0, is called
krek1111 [17]
Rational Number are set of numbers that can be written as a/b where a and b are integers, but b is not equal to 0; an integer or a fraction; for example: 6 can be expressed as 6/1 and 0.5 can be expressed as 1/2.
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3 years ago
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