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trapecia [35]
3 years ago
6

Luis uses beads to make key chains. Each key chain uses 7 beads. He has 44 beads.

Mathematics
2 answers:
Firdavs [7]3 years ago
7 0

Answer:

Part A = 6 and Part B = 2

Step-by-step explanation:

7*6= 42

and 44-42

is = 2

melisa1 [442]3 years ago
3 0

Answer:

A - 6

B - 2

Step-by-step explanation:

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I am greater than 4 tens and less than 5 tens I have 9 ones
aliina [53]

4 tens = 40 and 5 tens = 50 … therefore the number has to be between 40 and 50

So: 40 < x <50 … this says that x is greater than 40 and less than 50

 

So the possible numbers would be: 41,42,43,44,45,46,47,48,49

Now the number must have 9 ones … which mean the only number would be 49

4 0
3 years ago
Which angle has a sine of -1/2 and a cosine of -√3/2
Sergeeva-Olga [200]
\sin x=-\dfrac{1}{2} < 0\\\\\cos x=-\dfrac{\sqrt3}{2} < 0\\\\therefore\ x\in(180^o;\ 270^o)

\text{We know:}\ \tan x=\dfrac{\sin x}{\cos x}\\\\\text{therefore:}\ \tan x=\dfrac{-\frac{1}{2}}{-\frac{\sqrt3}{2}}=\dfrac{1}{2}\cdot\dfrac{2}{\sqrt3}=\dfrac{1}{\sqrt3}\cdot\dfrac{\sqrt3}{\sqrt3}=\dfrac{\sqrt3}{3}

\tan x=\dfrac{\sqrt3}{3}\Rightarrow x=30^o+180^o\cdot k;\ k\in\mathbb{Z}

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8 0
3 years ago
What is the standard form of the quadratic function y=3(x-6)^2 +12
mash [69]

y=3(x-6)^2+12

y=3x-18^2+12

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---

hope it helps

sorry if it doesn't

3 0
3 years ago
Someone who's good at math please help me!!!
timurjin [86]
#1.
Here what you do is cross multiply.
\frac{8x}{13x}
#2.
Same as #1, just cross multiply.
\frac{9x}{12}

You get the gist?
8 0
3 years ago
What is the surface of a sphere with the radius of 5 ft
iragen [17]

Hello there, to answer your question...

Surface Area =  4πr2

=  4×π×52

=  100π

<h2>=  314.159</h2>

5 0
3 years ago
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