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Alenkinab [10]
3 years ago
15

What is a good estimate for 1,025

Mathematics
2 answers:
4vir4ik [10]3 years ago
8 0
1000 is a good estimate
schepotkina [342]3 years ago
6 0

Either 1,000

1,100

Or 1,050 whatever your estimating to

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Use the diagram below to match the ratios below. B a A b sin B COS B tan B tan A COS A sin A​
Paha777 [63]

Answer:

See explanation

Step-by-step explanation:

Given

The attached triangle

Required

Complete the ratios

(a) sin B

\sin(B) is calculated as:

\sin(B) = \frac{Opposite}{Hypotenuse}

\sin(B) = \frac{b}{c}

(b) cos B

\cos(B) is calculated as:

\cos(B) = \frac{Adjacent}{Hypotenuse}

\cos(B)  = \frac{a}{c}

(c) tan B

\tan(B) is calculated as:

\tan(B) = \frac{Opposite}{Adjacent}

\tan(B) = \frac{b}{a}

(d) tan A

\tan(A) is calculated as:

\tan(A)= \frac{Opposite}{Adjacent}

\tan(A) = \frac{a}{b}

(e) cos A

\cos(A) is calculated as:

\cos(A) = \frac{Adjacent}{Hypotenuse}

\cos(A) = \frac{b}{c}

(f) sin A

\ain(B) is calculated as:

\sin(B) = \frac{Opposite}{Adjacent}

\sin(B) = \frac{a}{c}

8 0
2 years ago
Ross drives 260 miles in 4 hours. If Ross continues to drive at the same rate, how many miles can he drive in 8 hours?
irakobra [83]
520 miles.
Ross would be driving double the hours so 260x2=520
5 0
3 years ago
Please help me with this question, and show working out.
Andre45 [30]
<h3>Answer:   2072.4 square cm</h3>

===============================================================

Explanation:

If you used scissors to cut a vertical slice down the lampshade, then it can be unrolled to form a rectangle.

The horizontal portion of this rectangle is the distance around the circle, which is the perimeter of the circle, or the circumference. That's C = 2pi*r. Check out the diagram below to see what I mean.

The diagram shows that the diameter is 20 cm, so the radius is half that at 20/2 = 10 cm.

The circumference is C = 2*pi*r = 2*pi*10 = 20pi cm exactly

The height of the rectangle is the height of the cylinder, which is h = 30 as shown in the diagram.

The area of the rectangle is length*height = (20pi)*(30) = 600pi square cm exactly.

If we were to use something like pi = 3.14, then its approximate area is 600*pi = 600*3.14 = 1884 square cm

Let's bump this up by 10%. To do so, we'll multiply by 1.10

1.10*1884 = 2072.4

4 0
3 years ago
In the figure, the horizontal lines are parallel and AB = BC = CD. If LM = 3 Find JM? A. 12 B. 6 C. 3 D. 9
ziro4ka [17]
 A.12 because i had same question
 
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5 0
3 years ago
If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?
posledela

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

5 0
3 years ago
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