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Volgvan
3 years ago
13

Please help quickly, it’s more than one answer

Mathematics
2 answers:
fiasKO [112]3 years ago
6 0

Answer:

It is B, D and F

Step-by-step explanation:

because red 2 is very specific and not putting it back in the deck makes it independent

Y_Kistochka [10]3 years ago
6 0
Answer is b,d,f bc the cards are not being put back into the deck
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The Helheim glacier in Greenland enters the ocean in a 6.3 kilometer wide fjord. The terminus of the glacier retreated 7.5 kilom
vladimir1956 [14]

Answer:

7.56 km²

Step-by-step explanation:

Given data:

Width of the fjord, w = 6.3 km

Retreated terminus of the glacier between may 2001 and June 2005, d = 7.5 km

thus, the length lost , y = 7.5 - 6.3 = 1.2 km

now, the area is given as:

A = Length × width

on substituting the values, we get

A = 1.2 × 6.3

or

A = 7.56 km²

Hence, the surface area lost by the glacier in the fjord is 7.56 km²

7 0
3 years ago
I need help on 14 please
Fynjy0 [20]
2+x=50

That is what I would do. I hope this helps!
8 0
3 years ago
Read 2 more answers
The scale of a map is 1cm:12 km. find the actual distance for 12cm
anzhelika [568]
This is simply a question about ratios. This ratio means that for every 1 cm on the map, there are 12 km in actuality. You can set this problem up in fractions:

1 cm           12 cm
--------   =   ----------
12 km             x

To solve for x, we cross-multiply, for the moment ignoring units. Remember, your answer will be in km.

1*x=12*12

x=144

If x=144, then for 12 cm, there are 144 km.


6 0
3 years ago
Please check if I’m right please
JulsSmile [24]

Answer:

You are absolutely correct.

Step-by-step explanation:

If y represents distance then 2 miles count as distance and if x represents the rate and hours 4 miles per hours is x.

4 0
3 years ago
Prove the following identity true. Show work.
yulyashka [42]

Answer:

The  Pythagorean identity states that

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

Using that we can rewrite the left denominator as:

1 - \sin^2 t

Which can be factored as

(1 - \sin t)(1+ \sin t)

The numerator we can expand as:

(1 - \sin t)(1 - \sin t)

On the right hand side, let's multply numerator and denominator with (1 - sin t):

The total formula then becomes:

\dfrac{(1-\sin t)(1-\sin t)}{(1 - \sin t)(1 + \sin t)} = \dfrac{(1-\sin t)(1 - \sin t)}{(1+\sin t)(1 - \sin t)}

There you go... left and right are equal.

3 0
3 years ago
Read 2 more answers
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