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jok3333 [9.3K]
3 years ago
12

Tania took selfies with her 8 cousins. Each cousins is in 2 or 3 picture. There are exactly 5 cousins on each picture. How many

selfies did Tania take?
Mathematics
1 answer:
andreev551 [17]3 years ago
8 0

Answer:

4

Step-by-step explanation:

How many selfies did Tania take? (my first answer would be too many, but that's probably not the answer you're looking for :-) )

We know that each cousin appear 2 or 3 times overall.

If she would have taken each cousin exactly 2 times, that would be 16 cousins/photos

If she would have taken each cousin exactly 3 times, that would be 24 cousins/photos

We know there's exactly 5 cousins per photo...

so we have to find a multiple of 5 cousins/photos that is between 16 and 24.

The only possibility is 20 cousins/photos.  20 / 5 = 4 photos.

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mojhsa [17]

Answer:

b

Step-by-step explanation:

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3 years ago
Which graph represent the solution set of this inequality
lubasha [3.4K]
Hi!

First, let me explain that open circles mean that the answer starts after or before that number. So if the answer is c < 4, the answer would be D, and not B. 

If the answer was c ≤ 4, the answer would be B, and not D. 

I hope that makes sense. Now let's solve the inequality.

Remember that whatever we do to the inequality, we have to do it to both sides. 

We need to isolate c on one side.
10c + 5 ≤ 45
Start by subtracting 5 from both sides.
10c + 5 - 5 ≤ 45 - 5
10c ≤ 40
Divide by 10 on both sides.
10c/10 ≤ 40/10
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Hope this helps! :)
3 0
3 years ago
Read 2 more answers
Can anyone please help me with this question?
dmitriy555 [2]

Answer: y=1.4

1.4 x 85= 119

Step-by-step explanation:

- Do rise over run to get the answer on the graph and finding that Y is 1.4 then multiply to 85 and you will have 119

5 0
3 years ago
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A cube has a volume of 216 cubic feet. What is the length of an edge of this cube?
kupik [55]

Answer:

6

Step-by-step explanation:

a cube has sides of the same length hence its volume is obtain as cubed side.

we have the volume and we need the side:

\sqrt[3]{216} =\sqrt[3]{3^{3} 2^{3} } = 3*2 = 6

3 0
3 years ago
Given P space equals space P subscript 0 space plus space rho g h, your objective is to determine the uncertainty of P by measur
son4ous [18]

Answer:

the g's contributing term for the overall uncertainty of P is  dP_g =  [\frac{dg}{g}]

Step-by-step explanation:

From the question we are told that

   The pressure is   P  = P_o + \rho gh

The first step in determining the uncertainty of P in by obtaining the terms in the equation contributing to it uncertainty and to do that we take the Ln of both sides of the equation

    ln P  = lnP_o + ln(\rho gh )

=>   ln P  = lnP_o + ln \rho + ln g  + ln h

Then the next step is to differentiate both sides of the equation

    \frac{d(ln P)}{dP}  =  \frac{d(ln P_o)}{dP_o} + \frac{d(ln \rho)}{d\rho} +\frac{d(ln g)}{dg} + \frac{d(ln h)}{dh}

=>    \frac{dP}{P}  =  \frac{dP_o}{P_o} + \frac{d \rho}{\rho} +\frac{d g}{g} + \frac{d h}{h}

We asked to obtain the contribution of the term g to the uncertainty of P

This can deduced from the above equation as

     dP_g =  [\frac{dg}{g}] P

8 0
4 years ago
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