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Ludmilka [50]
2 years ago
8

Johnny scored an 82 on his review quiz and a 94 on his actual test 1. Use an absolute and relative change to compare his actual

test score to his review score. Complete the sentences below by copying each filling in the correct value. Make sure to use "more" or "less" in your sentence.
• What is the absolute change?
The review quiz is ______________________________ than the actual test.
The actual test is ______________________________ than the review quiz.
• What is the relative change?
The review quiz is ______________________________ than the actual test.
The actual test is ______________________________ than the review quiz.
• Why are the values different in part 2?
Mathematics
1 answer:
Nostrana [21]2 years ago
7 0

Answer:

i dont know

Step-by-step explanation:

sorry

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If m∠9 = 130°, what is m∠4?
Bad White [126]

Answer:

m<9=130 it also equal to 180 so 130-180 makes m<4= 50

6 0
2 years ago
ABCD∼EFGH AD=45 in. , EH=75 in. , and AB=30 in. What is EF ?
Marrrta [24]
EF = 50 in.

In similar figures, corresponding sides are proportional.  We use the similarity statement ABCD~EFGH to write a proportion:

\frac{AB}{EF}=\frac{AD}{EH}&#10;\\&#10;\\ \frac{30}{x}=\frac{45}{75}

Cross multiply the proportion:
45*x = 75*30
45x = 2250

Divide both sides by 45:
45x/45 = 2250/45
x = 50
3 0
2 years ago
In problems 1-3, a and b are legs and c is the hypotenuse. Find the missing side length of the
Readme [11.4K]

Answer:

1. b=39.497

2. c=3.606

3. a=18.974

Step-by-step explanation:

1.

41^2-11^2=b^2

1681-121=b^2

b^=1560

b=39.497

2.

2^2+3^2=c^2

4+9=c^2

c^2=13

c=3.606

3.

21^2-9^9=a^2

441-81=a^2

a^2=360

a=18.974

4 0
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B
Tomtit [17]
This would be 525 / 0.70  = $750 Answer
8 0
2 years ago
An object moves in simple harmonic motion with period 8 seconds and amplitude 6 cm. At time t = 0 seconds, its displacement d fr
Vladimir79 [104]

In the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

<h3>What is simple harmonic motion?</h3>

Simple Harmonic Motion is described as a motion in which the restoring force is proportionate to the body's displacement from its mean position.

We have:

Amplitude A = 6 cm

Time period = 8 seconds

T = 2π/w

8 = 2π/w

w = π/4

Its displacement d from rest is -6 cm, and initially, it moves in a positive direction.

d(0) = -6 cm at t = 0

The equation becomes:

\rm d = 6sin(\dfrac{\pi}{4}t)-6

Thus, in the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

Learn more about the simple harmonic motion here:

brainly.com/question/17315536

#SPJ1

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2 years ago
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