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vekshin1
3 years ago
13

Hi guys, I just needed to know was these answers correct or not

Mathematics
1 answer:
rewona [7]3 years ago
5 0

Yes

Yes

No [when you multiply or divide 2 negative numbers, they produce a positive number] -3 x -2 = 6              (-13,6)

No               -36 ÷ -9 = 4               (-15,4)

No           -3 + 6 = 3                   (-15, 3)

No           -1 - (-1) = -1 + 1 = 0             (-14, 0)

Yes

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Im confused on how to do this
snow_lady [41]

Answer:

150

Step-by-step explanation:

Surface area is the area of all the surfaces (or sides). To find the surface area, find the area of one side of the cube. Since a side of a cube is a square, all the lengths are the same. So, 5*5= 25. There are 6 sides to a cube, so multiply 6 by one of the faces 's area (aka sides), so 6*25=150.

8 0
3 years ago
Find two numbers differing by 46 whose product is as small as possible.
velikii [3]
Let the numbers be x and y.  They differ by 46. Then x = y + 46.

Their product is P = xy.  Since x = y + 46, P = xy = (y + 46)y, or

P = y^2 + 46y.  You could graph this and then identify the coordinates of the vertex, which would give you the minimum value of P.

Or you could differentiate P(y) with respect to y, set the result = to 0, and solve for y:  

2y + 46 = 0; y = -23.  x = y + 46, or +23.

The vertex of the graph of this parabola represents the minimum value of the product P.  It is (23, 46), and 46 is the smallest possible product here.

8 0
4 years ago
Read 2 more answers
Maria has a spinner that has 10 equal sections each containing a different number from 1 to 10 Maria determines about how many t
SSSSS [86.1K]

Answer:

There are 3 numbers greater than 7 on this spinner:  8, 9 and 10.  Mariah wrote 4 instead of 3, which makes her probability higher.  

She should have:

3/10(250) = 750/10 = 75

6 0
3 years ago
Solve the following equation for x.<br> 83x-1 = -73
musickatia [10]

Answer:

x=-72/83

Step-by-step explanation:

83x-1=-73

6 0
3 years ago
hazel prepared 6/8 liter os juice and 5/8 liter of guyabano juice.how many liters of juice did she prepare in all
SIZIF [17.4K]

Answer:

Step-by-step explanation:

i believe you just have to add the fractions together since the denominator are the same :)

\frac{6}{8}  + \frac{5}{8} = \frac{6 + 5}{8} = \frac{11}{8}

So in total Hazel can produce \frac{11}{8} Liters of juice

5 0
3 years ago
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