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SIZIF [17.4K]
2 years ago
14

A bag contains 4 blue, 5 green and 2 purple counters. One counter is

Mathematics
2 answers:
Scilla [17]2 years ago
6 0
7/11 probability green or purple
hram777 [196]2 years ago
5 0

Answer:

7/11 chance to pull a green or purple

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What is the answer pls
faust18 [17]

Answer:

-5 × -5 × -5

Step-by-step explanation:

-5^3 = -5 × -5 × -5

7 0
3 years ago
Read 2 more answers
Write equation to the line when m=2 and b=-1<br><br> Thanks!
vaieri [72.5K]
The equation of a line in slope intercept form is y=mx+b, which when you plug in the numbers becomes y=2x-1.
6 0
3 years ago
I don’t understand this problem and need help!
butalik [34]

Answer:

see explanation

Step-by-step explanation:

Since AB and BC are perpendicular, then

∠ABC = 90° and

∠ABD + ∠DBC = ∠ABC ← substitute values

3r + 5 + 5r - 27 = 90, that is

8r - 22 = 90 ( add 22 to both sides )

8r = 112 ( divide both sides by 8 )

r = 14

Hence

∠ABD = 3r + 5 = (3 × 14) + 5 = 42 + 5 = 47°

∠DBC = 5r - 27 = (5 × 14) - 27 = 70 - 27 = 43°

7 0
3 years ago
Please help! Identify the minimum value of the function y=3x^2-12x+10.
Dimas [21]
The lowest point is at the vertex, or U-turn.

\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\&#10;\begin{array}{llccclll}&#10;y = &{{ 3}}x^2&{{ -12}}x&{{ +10}}\\&#10;&\uparrow &\uparrow &\uparrow \\&#10;&a&b&c&#10;\end{array}\qquad &#10;\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad  {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)&#10;\\\\\\&#10;\left( -\cfrac{-12}{2(3)}~~,~~10-\cfrac{(-12)^2}{4(3)} \right)\qquad \textit{so the lowest value is at }10-\cfrac{(-12)^2}{4(3)}
6 0
2 years ago
67a(t+z)=45z+67 solve for z.<br> I need help. Please?
xeze [42]
67a(t+z)=45z+67
Distribute the 67a to inside the parenthesis.
67at + 67az = 45z + 67
Subtract 67 to the other side.
67at + 67az - 67 = 45z
Divide everything by 45.
1.49at + 1.49az - 1.49 = z

Hope that helped! :)
4 0
3 years ago
Read 2 more answers
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