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weeeeeb [17]
4 years ago
15

A veterinarian estimated the weight of a puppy to be 9kg. The actual weight of the puppy was 9.5kg Find the absolute error and t

he percent error of the veterinarian's estimate. If necessary, round your answers to the nearest tenth.
Mathematics
1 answer:
Whitepunk [10]4 years ago
4 0
The percent error is the absolute value of the measured value minus the actual value divided by the actual value. Multiplied by 100. 

So 9.5 - 9/ 9.5 = 0.05263 

0.05263 times 100 = 5.3%


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Which system is represented by the graph?
natulia [17]

Answer:

The answer to your question is the first option

Step-by-step explanation:

Process

1.- Identify the y-intercepts of the lines

blue line   y-intercept = -1

brown line  y-intercept = -2

With this information, we can discard the last option because those lines don't have those y-intercepts.

2.- We observe in the graphs that the lines are increasing so the slopes are positive. From this information, we can discard the second option.

3.- Calculate the slopes of the lines of options 1 and 3

Blue line Points  (0, -1)   (1, 2)

            m = \frac{2 + 1}{1 - 0} = \frac{3}{1} = 3

Brown line Points (0, -2) (1, 1)

            m = \frac{1 + 2}{1 - 0} = 3

As the slopes are 3, we conclude that the answer is the first option.

4 0
4 years ago
If x = 10, y = 5, and z = 11, what is the cosine ratio for g°?
anyanavicka [17]

Answer:

X+ 7 = 21 - 7 - 7x = 14

Step-by-step explanation:

replace x values and y values with the answer choices.

y=(1)^2- 1 = 0

y= 2(1)-2=0

since the coordinate pair (1,0) it is safe to assume that d will be the correct answer.

use the graph to confirm that the solution is (1,0)

the blue line intersects at (1,0), so the solution for the system of equations is (1,0)

6 0
3 years ago
Read 2 more answers
the dimensions are 1 ft deep by 24 inches wide by 18 inches tall. how many cubic inches of water is that
IRINA_888 [86]
1 ft= 12 inches

24 × 18 = 432

432 × 12 = 5184

5184 cubic inches of water
3 0
3 years ago
What is the length of BC?<br> A. 6 2/3 cm<br> B. 5cm<br> C. 4cm<br> D. 6cm
Sergio039 [100]

Thought I already answered this.  I must have forgotten to click "add your answer."

We have similar triangle trianges ABC ~ ADE so

BC:AB = DE:AD

BC:2  = 10 : (2+3) = 10:5 = 2:1

So BC=4 because 4:2 = 2:1

Choice C.

6 0
4 years ago
A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the
makkiz [27]

f(t)=h=-16t^2+20t+6&#10;&#10;

a=-16, b=20, c =6

Δ=b^2-4ac=20^2-4*(-16)*6=400+384=784

\sqrt{Δ}=\sqrt{784}=28

max:

p=-\frac{b}{2a}=-\frac{20}{-32}=\frac{20}{32}=\frac{5}{8}

max heigh: h=-16(\frac{5}{8})^2+20*\frac{5}{8}+6=-16\frac{25}{64}+\frac{100}{8}+6

h=-\frac{25}{4}+\frac{50}{4}+6=\frac{-25+50+24}{4}=\frac{49}{4}

h=\frac{49}{4} at t=\frac{5}{8}s


will fall down at t:

t=\frac{-20-28}{-32}=\frac{-48}{-32}=\frac{3}{2}=1.5

t=1.5s

8 0
3 years ago
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