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sergey [27]
3 years ago
9

Randomly picking a blue card from a bag containing all blue cards

Mathematics
2 answers:
scoundrel [369]3 years ago
8 0
What's the question
sergeinik [125]3 years ago
5 0
The probability would be 1. there is no way you could pick anything other than a blue card.<span />
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Find the measure of angle A.​
Dmitriy789 [7]

Answer:

30 degrees

Step-by-step explanation:

Keep this in mind, ALL triangles must equal 180 degrees.

This is an acute triangle, hence one of the angles is 90 degrees. To find the other two angles, we must solve for x. Since we know the sum of all angles in this triangle must equal 180 degrees, we know for setting up our equation, all the angles should equal 180.

90 + (x+37) + (x+67) = 180\\

Now solve for x by isolating x

2x + 194 = 180\\2x=-14\\x=-7

Our x is -7, now that we know that the numerical value of x is -7, replace x with -7 for angle A.

-7 + 37 = 30

<A is 30 degrees.

<u>Check your work</u>

Plug in -7 where you see x.

90 + (x+37) + (x+67) = 180\\90 + (-7+37) + (-7+67) = 180\\90 + 30 + 60 = 180\\180 = 180

Turns out this was a 30-60-90 triangle. ✅

3 0
2 years ago
Solve for A if Ab = ut<br> Solve for c if Kc = 9 a<br> Solve for D if Bd = Ca
pychu [463]

Answer:

Below in bold.

Step-by-step explanation:

Ab = ut

Divide both sides by b

A = ut/b.

The other 2 are solved in a similar way:

Kc = 9a

c = 9a/K

Bd = Ca

d = Ca/B.

7 0
2 years ago
Help me on 12 and 13 please
posledela

Answer:

12. h=3

13. h=-3

Step-by-step explanation:

12. Recall that -2^{x-h} is a horizontal shift since h is being applied within the operation to the input. This means that h will slide the function left or right. Since the function f has a point at (1,-2) and g has the same point at (4,-2) then the function has moved 3 units 1+3=4 to the right. h=3.

13. Once again, h is a horizontal shift meaning the graphs has moved left or right only. Looking at g it has a point at (-2,2) while f has the same point at (1,2). So the graph f has moved to the left 3 units. This is h=-3 since 1+-3 = -2.

5 0
3 years ago
What is m∠A?<br><br> 45°<br> 103°<br> 77°<br> 35°
Delvig [45]

Answer:103°

Step-by-step explanation:

because do the math

3 0
3 years ago
Find ration aqual to the radio given 12:7
Veronika [31]
12:7*2=24:14

The radio is of 12:7 is 14:14
3 0
3 years ago
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