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Minchanka [31]
3 years ago
14

What is the solution to the equation 1 over 5 multiplied by n equals 3

Mathematics
2 answers:
algol [13]3 years ago
6 0
1/5 n = 3
n = 3 x 5
n = 15
answer
<span>n = 15</span>
Vera_Pavlovna [14]3 years ago
4 0

Answer:

n= 15 is the correct answer

Step-by-step explanation:

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X
Serjik [45]

Answer:

Step-by-step explanation:the first one is 8

Second 3 3- 6

4 0
3 years ago
A car travels at an average speed of 40 miles per hour for the first 100 miles of a 200-mile trip, and at an average speed of 50
Harlamova29_29 [7]
Total distance = 200 miles

Time needed for the first 100 miles
= 100 ÷ 40 = 2.5 hours

Time needed for the second 100 miles
= 100 ÷ 50 = 2 hours

Total time = 2.5 + 2 = 4.5 hours

Average speed = 200 ÷ 4.5 hours = 44.4 miles per hour
3 0
3 years ago
The y coordinate of the vertex of f (x)=-x^2+8x+7 is f(4)
azamat

Hello there.

To answer this question, we need to remember some properties about the vertex of quadratic functions.

Let f(x)=ax^2+bx+c,~a\neq0. Its vertex can be found on the coordinates (x_v,~y_v) such that x_v=-\dfrac{b}{2a} and y_v=-\dfrac{b^2}{4a}+c, in which y_v=f(x_v).

Using the coefficients given by the question, we get that:

x_v=-\dfrac{8}{2\cdot(-1)}\\\\\\ x_v=-\dfrac{8}{-2}\\\\\\ x_v=4

Thus, we have:

y=f(x_v)=f(4)

So the statement is true, because the x coordinate of the vertex of the function is equal to 4.~~\checkmark

7 0
2 years ago
For the rotation -287°, find the coterminal angle from 0° &lt; 0 &lt; 360°, the
Triss [41]

Answer:

Quadrant I (one).  73 degrees

Step-by-step explanation:

See the attached image.

To get a coterminal angle, add 360 degrees.  360 + (-287) = 73.

8 0
3 years ago
Find the percent of change of 37 is decreased to 17.
Anettt [7]
54.0541% is the answer. 
7 0
3 years ago
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