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julsineya [31]
3 years ago
11

Scarelett ordered a set of blue and purple pins. She received 68 pins in all.51 of the pins were blue. What percentage of the bl

ue pins were used. Write your answer using a percentage sign (Need a quick answer)
Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

51/68

Step-by-step explanation:

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Choose an equivalent expression for 123 • 129 • 124 • 122.<br> 124<br> 1218<br> 1235<br> 12216
mihalych1998 [28]

Question:

Choose an equivalent expression for 12^3 • 12^9 • 12^4 • 12^2

A. 12^4 B. 12^18 C. 12^35 D. 12^216

Answer:

12^{18}

Step-by-step explanation:

Given

12^3 . 12^9 . 12^4 . 12^2

Required

Determine the equivalent

Applying law of indices, we have:

12^{3 + 9 + 4 + 2}

12^{18}

Hence:

12^3 . 12^9 . 12^4 . 12^2 = 12^{18

3 0
3 years ago
X=8 y=4 z=0 w=2 <br><br> W(x-2z)=
Elena-2011 [213]
16 because 2•0 is 0. 8-0 is 8 and 2(8) is 16
5 0
3 years ago
How to solve using the equation???? HELP PLSS
Alex777 [14]

For the first question, we can extend all of the lines on the trapezoid, and triple the distance from B on the line, so we can use the fact that B is (2, 2), A is (0, 0), C is (4, 2), and D is (6, 0) to get that the new coordinates are A (-4, -4), B (2, 2), C (8, 2), and D (14, -4).

For the second question, notice that we are changing the size on the same line, and every side length is tripled by 3. If every side length is tripled by 3, then the perimeter of the new image is triple the perimeter of the original.

6 0
3 years ago
2x+3y=12 complete the missing value in the solution to the equation ( 8,)
Leto [7]

Answer:

Missing value is -4/3 and whole solution can be written as  ( 8,-4/3)

Step-by-step explanation:

Given equation 2x+3y=12

solution ( 8,)

solution is form (x,y) hence in (8,) x is given as 8 while y  is missing to find y

we will plug 8 as value of x in equation  2x+3y=12. From this equation we will find the missing value.

2x+3y=12

=> 2*8+3y=12

=> 16 + 3y = 12

=> 3y = 12-16= -4

=> y = -4/3

Thus, missing value is -4/3 and whole solution can be written as  ( 8,-4/3)

7 0
4 years ago
What are the remaining trig functions? and how do i solve for them? pls help
erastovalidia [21]

You're told that tan(<em>θ</em>) is positive, but

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)

and you're also told that sec(<em>θ</em>) = 1/cos(<em>θ</em>) = -3. So if cos(<em>θ</em>) is negative, sin(<em>θ</em>) must also be negative. In turn, both sec(<em>θ</em>) = 1/cos(<em>θ</em>) and csc(<em>θ</em>) = 1/sin(<em>θ</em>) are also negative.

Now, recall the Pythagorean identity,

cos²(<em>θ</em>) + sin²(<em>θ</em>) = 1

Multiply through both sides by 1/cos²(<em>θ</em>) to get an alternate form of the identity,

1 + tan²(<em>θ</em>) = sec²(<em>θ</em>)

Solve for tan(<em>θ</em>) (which we know is positive):

tan(<em>θ</em>) = √(sec²(<em>θ</em>) - 1) = 2√2

Right away, we get

cot(<em>θ</em>) = 1/tan²(<em>θ</em>) = 1/(2√2) = √2/4

Since sec(<em>θ</em>) = -3, it follows that cos(<em>θ</em>) = -1/3.

Then

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)   ==>   sin(<em>θ</em>) = 2√2 × (-1/3) = -2√2/3

and so

csc(<em>θ</em>) = 1/sin(<em>θ</em>) = -3/(2√2)

6 0
3 years ago
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