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Ivan
3 years ago
7

8.

Mathematics
1 answer:
andrey2020 [161]3 years ago
5 0

Answer:

Do you want the perimeter of this shape?

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A shopkeeper buys a dress for $40
DanielleElmas [232]

Answer:

48 - 40 = $8, there is a $8 dollar increase.

Formula for change of percentage;

changed price

___________ x 100% (100/100)

original amount

Replace those values with the values we found;

40/48 x 100/100 = 20% increase.

4 0
2 years ago
State the measurement of <1
Colt1911 [192]

Answer:

57 degrees

Step-by-step explanation:

because it is the same as the other side

6 0
3 years ago
What is the equation of a line that contains the point (6,-4) and has a slope of 3/4?
elixir [45]

Answer:

B. y+ 4 = 3/4 (x-6)

Step-by-step explanation:

Given:

m = 3/4

Slope-intercept:

y - y1 = m(x - x1)

y + 4 = 3/4(x - 6)

3 0
3 years ago
If sin square theta = 0.75, then cos =
sergeinik [125]

Answer:

\cos\theta=\pm0.5

Step-by-step explanation:

Given:

\sin^2\theta=0.75

To find \cos\theta

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

\sin^2\theta+\cos^2\theta =1

Plugging in  \sin^2\theta=0.75 in the above relation.

0.75+\cos^2\theta =1

Subtracting both sides by 0.75.

0.75+\cos^2\theta-0.75 =1-0.75

\cos^2\theta =0.25

Taking square root both sides.

\sqrt{\cos^2\theta} =\sqrt{0.25}

∴ \cos\theta=\pm0.5  (Answer)

6 0
3 years ago
Which of these steps will eliminate a variable in this system? help pls
Nataly [62]
The answer is B. Dbsjskkdjcjdks
4 0
3 years ago
Read 2 more answers
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