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Leviafan [203]
3 years ago
11

QUESTION 4 What is the area of the square in square meters and square centimeters? 64 m² and 640,000 cm² 64 m² and 6400 cm² 6400

m² and 64 cm² 640,000 m² and 64 cm²

Mathematics
1 answer:
amm18123 years ago
6 0

Answer:

64 meters squared and 6400 centimeters squared

Step-by-step explanation:

Hope this helped. First do 8*8 for square meters then do 64 * 100 to get 6400 centimeters squared.

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If a=22.3 and B=47°18’ find c (picture provided)
igor_vitrenko [27]

Answer:

d. 32.9

Step-by-step explanation:

To find c, we'll use the Law of Sines that says:

\frac{a}{sin(A)} = \frac{c}{sin(C)}

And we'll isolate a to get:

c = \frac{sin(C) * a}{sin(A)}

We first need to find A, which is easy.  The sum of the interior angles of a triangle is 180 degrees... and we already have 2 of them, so:

A = 180 - 90 - 47.3 = 42.7

(converted 47°18' to 47.3)

Then we will plug-in the information we already have

c = \frac{sin(90) * 22.3}{sin(42.7)} = 32.88

So, let's round it to 32.9 to match the answer number D.

8 0
3 years ago
So i basically have to put true or false, please give me the right answer:
4vir4ik [10]

Answer:

Yes, No, Yes, No.

Step-by-step explanation:

3 0
3 years ago
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Yakvenalex [24]

Answer:

3rd quadrant

Step-by-step explanation:

  • First we just convert the angle from radians to degrees
  • \frac{31\pi radians }{6}*\frac{180degrees}{\pi radians}  =\frac{31*180}{6} degrees=930degrees
  • Now that's too big, all this means is if we start rotating from the positive y-axis in a circle we will cross the starting point 2 times, 2 full circles;
  • 930degrees-360degrees=570degrees\\570degrees-360degrees=210degrees  
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7 0
2 years ago
Briana is getting materials for a chemistry experiment
satela [25.4K]
What is the question ?
6 0
3 years ago
in a coordinate plane the midpoint of AB is (4,-3) and A has coordinate (1,5). if B has coordinate (x,y) find the value x+y​
Aloiza [94]

Answer:

Please check the explanation.

Step-by-step explanation:

The midpoint (a, b) of line joining points (x₁, y₁) and (x₂, y₂)

a = x₁ + x₂ / 2

b = y₁ + y₂ / 2

Given that the midpoint of AB is (4, -3).

i.e. (a, b) = (4, -3)

Given that A has coordinate (1, 5).

i.e. (x₁, y₁) = (1, 5)

We have to determine the coordinates of B.

i.e. (x₂, y₂) = B

Thus,

4 = (1 + x₂)/2

(1 + x₂) = 4 × 2

1 + x₂ = 8

x₂ = 7

and

-3 = (5 + y₂)/2

(5 + y₂) = -3 × 2

5 + y₂ = -6

y₂ = -11

so (x₂, y₂) = (7, -3) = B

Thus, the coordinates of B = (x₂, y₂)  = (7, -3)

Therefore,

x₂ + y₂ = 7 + (-3)

          = 7 - 3

          = 4

Hence, the value of x₂ + y₂ = 4

4 0
3 years ago
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