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Leviafan [203]
3 years ago
7

A=8, b=2, and c= 1/2 ab= ? ca=? 4a=?

Mathematics
2 answers:
jarptica [38.1K]3 years ago
7 0

Answer:

ab=16

ca=4

4a=32

Step-by-step explanation:

a*b=8*2=16

c*a=1/2*8=4

4*a=4*8=32

hope it helped xx

Masteriza [31]3 years ago
7 0
Ab = 16

a * b

Fill in variables: 8 * 2 = 16

Repeat with rest of problems

ca = 4

4a = 32
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Write an expression for the operation described below.<br> the product of q and 2
satela [25.4K]

Answer:

q*2=14 hope that this helped

Step-by-step explanation:

since product commonly mean multiplication, then you would have to make sure that q is multiplied to 2 and then provide the actual "product" of your expression or you could also just put 2q.

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23 x 46 = blank × 23 <br>find the missing number help please ​
myrzilka [38]

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23x46=46x23

Step-by-step explanation:

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2 years ago
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Write three numbers greater than 20 that have 9 as a factor
Lubov Fominskaja [6]
We just need to find the multiples of 9 that are greater than 20.

9*1 = 9
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We can use 27,36, 45, .....
Your final answer should be any multiple of nine greater than 20. I recommend using 27, 36, and 45. Hope this helps!<span />
6 0
2 years ago
Marie's journal is 400 pages long. She has used 20% of the journal. How many pages has she used so far?
vitfil [10]

Answer:

40/ or /80

Step-by-step explanation:

Because 400 is a lot and if it's 100% is 400 right so we do 80% what would that be? we don't know right.

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2 years ago
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Please help ASAP!
Kruka [31]

First, recall that

\sin(-\theta)=-\sin\theta

So if \sin(-\theta)=\dfrac15, then \sin\theta=-\dfrac15.

Second,

\tan\theta=\dfrac{\sin\theta}{\cos\theta}

We know that \tan\theta>0 and \sin\theta, which means we should also have \cos\theta.

Third,

\sin^2\theta+\cos^2\theta=1\implies\cos\theta=\pm\sqrt{1-\sin^2\theta}

but as we've already shown, we need to have \cos\theta, so we pick the negative root.

Finally,

\tan\theta=\dfrac{\sin\theta}{\cos\theta}\iff\dfrac6{\sqrt{12}}=\dfrac{-\frac15}{\cos\theta}\implies\cos\theta=-\dfrac1{5\sqrt3}

Unfortunately, none of the given answers match, so perhaps I've misunderstood one of the given conditions... In any case, this answer should tell you everything you need to know to find the right solution from the given options.

6 0
3 years ago
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