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aleksley [76]
2 years ago
5

(-18) divided by 3 + (5)(-2)

Mathematics
1 answer:
aivan3 [116]2 years ago
4 0
Your answer will come out to -3
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If v varies directly as w and v = 8 when w=1/2 find the equation that relate v and w
garri49 [273]

Answer:

v=kw. 8=k1/2

Step-by-step explanation:

Okay, so here's the equation. v=kw. Varies directly means if v rises, then w rises. If v decreases, then w will decrease. Let me know if that helps! (In case you need it, k=16.)

5 0
3 years ago
Read 2 more answers
Solve the problem:
stepan [7]

volume of the box is 675 cubic inches

A machine produces open boxes using square sheets of plastic.

It is a square sheet so length and width are same

Lets assume length as x so width is also x

The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet.

After turning up the sides the height of the box becomes 3 inches

We know the volume of a box formula

Volume = Length * width * height

We know length is  x , width is x  and height = 3

So V = x * x * 3

Given volume = 675 cubic inches

675 = x * x * 3

675 = x^2* 3

Divide by 3 on both sides

225 = x^2

Now we take square root on both sides

x = 15

the length of one side of the open box is 15 inches.



5 0
3 years ago
Factorise a x + b x minus A Y minus b y​
shutvik [7]
X(a+b)-y(a+b)
*factor out (a+b)*
=(a+b)(x-y)
8 0
3 years ago
Math problem ^^^ please help
den301095 [7]

Answer:

bruh

Step-by-step explanation:

what grade u in

8 0
3 years ago
A poll shows that 41% of voters in a city favor of a $0.0.1 tax increase. If 25 voters are selected at random, what is that exac
juin [17]

Answer:

The probability is 0.026 to 3 d.p

Step-by-step explanation:

To calculate this , we shall be using the Bernoulli approximation.

let P = percentage of voters supporting the increase = 41% = 41/100 = 0.41

q = percentage of voters not supporting = 100-41% = 59% = 59/100 = 0.59

Now we want to calculate that exactly 15 out of 25 will vote in favor

Mathematically that would be ;

25C15 p^15 q^10

= 25C15 0.41^15 0.59^10

= 0.025981307443 or simply 0.026 to 3 decimal places

5 0
3 years ago
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