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VARVARA [1.3K]
2 years ago
14

Need help FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
vova2212 [387]2 years ago
8 0

Answer:

Right angle 90 degrees is always going to be a right angle.

Step-by-step explanation:

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A colour palette at a paint store has 6 shades of blue. Kelsie is choosing 2 shades of blue to paint her room. How many pairs of
Law Incorporation [45]

Answer:

B.) 15

Step-by-step explanation:

The order in which the shades are chosen is not important. For example, choosing powder then sky is the same outcome as choosing sky then powder. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

2 shades from a set of 6. So

C_{6,2} = \frac{6!}{2!(6-2)!} = 15

So the correct answer is:

B.) 15

8 0
3 years ago
Round the<br> nearest hundreds<br> Place<br> 52% of 210
Ket [755]

Answer:

109.2

Step-by-step explanation:

Of means multiply

52% * 210

Change to decimal form

.52 * 210

109.2

4 0
3 years ago
Read 2 more answers
Someone remind me of what the Pythagorean theorem is (Geometry)
Ugo [173]

Answer:b

Step-by-step explanation:

4 0
3 years ago
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Carla draws two rectangles.
Strike441 [17]

Answer:

A rectangle with a width of 5 inches and a length of 7 inches.

A rectangle with a width of 4 inches and a length of 6 inches

Step-by-step explanation:

8 0
3 years ago
A line intersects the point (6,9) and (7,4). What is the slope intercept equation for this line?
taurus [48]

Answer:

y = -5x + 39

Step-by-step explanation:

Plug either ordered pair into the Point-Slope Formula FIRST, <em>y</em><em> </em><em>-</em><em> </em><em>y</em><em>₁</em><em> </em><em>=</em><em> </em><em>m</em><em>(</em><em>x</em><em> </em><em>-</em><em> </em><em>x</em><em>₁</em><em>)</em><em>,</em><em> </em>then convert to Slope-Intercept Form by moving whichever term is nearest to <em>y</em><em>,</em><em> </em>over to the right side of the equivalence symbol to get the above answer.

5 0
3 years ago
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