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Vikki [24]
2 years ago
12

Help help help math math

Mathematics
1 answer:
Marina CMI [18]2 years ago
7 0

Answer: -1 = (-3/3)

Step-by-step explanation

You go from one point to another, i started from 3,1 and went to 3,0. I got down -3 which is my rise and right 3 for the run. Tell me if this is correct

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Find the area of the composite shape below.<br> help to get sum coin
enot [183]

Answer:

Composite Area = 1105.94

Step-by-step explanation:

Remark

The two semi circles at each end make an entire circle with radius 11. The width of the central rectangle = the diameter of the circle. The area should be able to be found.

Width

2*radius = width

width = 2 * 11

width = 22

Area of the circle

Area = pi * r^2

r = 11

Area = 3.14 * 11^2

Area = 3.14 * 121

Area = 379.94

Area of the rectangle

Area = L * W

L = 33

W = 22

Area = 33 * 22

Area = 726

Total Area

Total Area = Area of Rectangle + Area of the Circle

Total Area = 726 + 379.94 = 1105.94

3 0
3 years ago
Which functions represent exponential growth? y = f(x) y = h(x) y = g(x) y = k(x).
Ymorist [56]

All are the exponential function.

<h2>Exponent</h2>

Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. c is the base and x is the power.

<h3>Which functions represent exponential growth?</h3>

1.  y = f(x) is a exponential function.

Because the range of the exponential function is from 0 to ∞ for all values of x. And it is 1 at x = 0.

2.  y = h(x) is a exponential function.

Because the range of the exponential function is from 0 to ∞ for all values of x. And it is 1 at x = 0.

3.  y = g(x) is a exponential function.

Because the range of the exponential function is from 0 to ∞ for all values of x. And it is 1 at x = 0.

4.  y = k(x) is a exponential function.

Because the range of the exponential function is from 0 to ∞ for all values of x. And it is 1 at x = 0.

Thus, all are the exponential function.

More about the exponent link is given below.

brainly.com/question/5497425

3 0
2 years ago
The waiting time at a doctor’s office is uniformly distributed with a minimum waiting time of 10 minutes and a maximum waiting t
MariettaO [177]

Answer:

25%

Step-by-step explanation:

There are 20 minutes between 10 and 30 and 5 minutes between 10 and 15 so you need to find 5% of 20 (5/20 x 100) which is 25%

6 0
3 years ago
Janet set off on a bicycle trip at 7:30 a.m.
UNO [17]

the answer is 10:20.

Hint for the future: be sure to write in the full problem. I only knew the answer because I had to do it myself, but people need more context if they are going to help you.

3 0
3 years ago
"Lashonda swam 4 kilometers against the current in the same amount of time it took her to swim 16 kilometers with the current. T
Naddika [18.5K]

Answer:

5 km/h

Step-by-step explanation:

In this problem, Lashonda swam 4 km against the current. So the distance covered in this case is

d_1=4 km

Calling v the velocity of Lahonda without the current, and c the velocity of the current, in this situation Lahonda's velocity is

v-c

So we can write:

t_1=\frac{d_1}{v-c}

where t_1 is the time taken to cover the distance.

When Lashonda swims with the current, her velocity is

v+c

So we can write

t_2=\frac{d_2}{v+c}

where

d_2=16 km is the distance covered in this case, and t_2 the time taken.

The velocity of the current is

c=3 km/h

Since Lashonad takes the same time to cover the two distances,

t_1=t_2

So we can write

\frac{d_1}{v-c}=\frac{d_2}{v+c}

And solving for v, we find Lashonda's velocity without the current:

d_1(v+c)=d_2(v-c)\\d_1 v+d_1c = d_2v-d_2c\\v(d_2-d_1)=c(d_1+d_2)\\v=\frac{d_2+d_2}{d_2-d_1}c=\frac{16+4}{16-4}(3)=5 km/h

7 0
3 years ago
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