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sleet_krkn [62]
3 years ago
7

4 students spent $12 on School lunch at this rate find the amount 10 students would spend on the same school lunch

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
10 students would pay $30
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What is the nearest hundred to 142
andrew11 [14]

Answer: it is 1.42!

Step-by-step explanation:

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4 0
3 years ago
Q7 Q16.) Convert the polar equation to a rectangular equation.
Mekhanik [1.2K]
In polar coordinates, we have

x=r\cos\theta\implies\cos\theta=\dfrac xr
y=r\sin\theta\implies\sin\theta=\dfrac yr

From this we can write

\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{\frac yr}{\frac xr}=\dfrac yx

If \theta=\dfrac{4\pi}3, then \tan\theta=\sqrt, so we get

\dfrac yx=\sqrt3\implies y=\sqrt3\,x
4 0
3 years ago
I'll give u brianliest if you share the answer and how you got it
Bogdan [553]

Answer:a is 52    b is 65

Step-by-step explanation:

a:Write 65% as 65100.

65100 of 80 = 65100 × 80.

Therefore, the answer is 52. If you are using a calculator, simply enter 65÷100×80 which will give you 52 as the answer.

b: it is 65 because it is the same question but in reverse which still gives you the same answer.

Hope this helps

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6 0
3 years ago
Read 2 more answers
Simplify the expression:<br><br> 5(1 + 8d)
Rina8888 [55]

Answer:

5 + 40 d

Step-by-step explanation:

Hey there,

To simply this you have to multiply each term in the brackets by 5.

5(1+8d)

5+40d

<u>Further explanation</u>

5 ( 1 + 8 d )

5 × 1 + 5 × 8 d

5 +40 d

Hope this helps you.

Let me know if you have any other question :-)

5 0
2 years ago
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Evaluate (-28) + 38 + (-12). EXPLAIN YOUR ANSWER, I KNOW IT’S -2, BUT WHY? How do I get -2? I am asking you to explain how you s
kipiarov [429]

Answer:

If the sign before the no. is same then they will get added and the resultant will have the same sign too.

Since before 28 and 12 , both of them have the negative sign , they will get added and the sign of their resultant will be negative too.

So , -28-12 = -40

Now, if the sign before the no.s are different then there will be subtraction, and the sign before the highest no. will be the sign of the resultant.

So,( -28)+38+(-12)

= -28+38-12

= -40+38

= -2

We know that 40> 38

sign before 40 is negative, therefore, their resultant i.e 2 will also get the negative sign

I hope this helps you...

3 0
3 years ago
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