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Viktor [21]
2 years ago
9

The formula for the area of a trapezoid is A = h(b1 + b2), where A = area, h = height, b1 = base 1, and b2 = base 2.

Mathematics
1 answer:
stepladder [879]2 years ago
6 0

Answer:

4

Step-by-step explanation:

A=h(sum of base)

60=h(15)

60/15=h

h=4

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A submarine is searching for underwater features. It is accompanied by a small aircraft
Ivanshal [37]

Answer:

255 m

Step-by-step explanation:

From the given question, the surface of the water body is the reference point. And this point is assumed to be 0, so that any distance above it is positive, and any distance below is negative. This is synonymous to the number line system.

Thus,

For the aircraft, its height = +200 m

For the submarine, its depth = -55 m

So that the difference between the submarine and aircraft can be determined as;

200 - (-55)

= 200 + 55

= 255 m

The distance between the submarine and aircraft is 255 m.

7 0
2 years ago
What is 9/25?<br><br> A. 1/2<br> B. 81/25<br> C. 18/25<br> D. 3/5
Paha777 [63]

Answer:

3/5 would be your answer.

Step-by-step explanation:

Multiplying both numbers by 3 & 5.

= 3*3/5*5

= 9/25

hope it helps!

5 0
3 years ago
Read 2 more answers
For the graphed function f(x) = (4)x − 1 + 2, calculate the average rate of change from x = 1 to x = 2.
lorasvet [3.4K]

Average rate of the function: 3

Step-by-step explanation:

The function in this problem is

f(x)=4^{x-1}+2

The average rate of change of a function over an interval (x_1,x_2) is given by

r=\frac{f(x_2)-f(x_1)}{x_2-x_1}

where

f(x_1),f(x_2) are the values of the function calculated in x_1,x_2 respectively

For the function in this problem we have:

x_1=1, so

f(x_1)=f(1)=4^{1-1}+2=4^0+2=1+2=3

x_2=2, so

f(x_2)=f(2)=4^{2-1}+2=4^1+2=4+2=6

So, the average rate of change is

r=\frac{6-3}{2-1}=\frac{3}{1}=3

Learn more about rate of change:

brainly.com/question/4152194

brainly.com/question/12941985

#LearnwithBrainly

4 0
2 years ago
Given the function f(x) = −3x^3 + 9x^2 − 2x + 3, what part of the function indicates that the left end starts at the top of the
horrorfan [7]
The coefficient of the first term. 
If it's talking about the left end, then it'll be the first degree. So since it's to the third power, you'll have something that looks like x^3, which starts at the bottom left. The negative sign indicates a swapped axis. So it'll be the coefficient (which is -3). That states it'll start from the top left and go downward. The +3 is just a vertical shift.
5 0
3 years ago
Read 2 more answers
What is the following quotient? 6-3( 3 square root 6/ 3 square root 9
Dmitriy789 [7]

Answer: The last option is the answer

3(3 root 3)-3(3 root 2)

8 0
2 years ago
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