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barxatty [35]
2 years ago
5

(2-5)^2-(4×5^2)what's the answer?show work​

Mathematics
1 answer:
Bond [772]2 years ago
4 0

Answer:   -91

Step-by-step explanation:

(2-5)^2-(4*5^2)

Follow the order of operations.

2-5=-3 Which uses the property of parentheses

(-3)^2-(4*5^2)

(-3)^2=9 which uses the property of  exponents

5^2=25 which uses the property of exponents

9-(4*25)

4*25=100 which uses the property of multiplication

=9-100 which uses the property of subtraction

=-91

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A "centroid" is defined as the center of mass of an object, or shape. How might the midpoint formula be used to find the midpoin
lesantik [10]

Answer:

we can use centeroid formula of a triangle

that is (x1+x2+x3)/3

hope that helps : )

6 0
3 years ago
Find the minimum and maximum possible areas of a rectangle measuring 6 km by 11 km.
ExtremeBDS [4]
Assuming your numbers are rounded to the nearest km, the minimum area will be ...
  (5.5 km)·(10.5 km) = 57.75 km² . . . minimum

And the maximum area will be ...
  (6.5 km)·(11.5 km) = 74.75 km² . . . maximum

_____
When a number is rounded to 6 km as the nearest km, its value may actually be anywhere in the range 6 km ± 0.5 km. If you really want to get technical about it, the ranges of possible dimensions are [5.5, 6.5) km and [10.5, 11.5) km, and the range of possible areas is [57.75, 74.75) km².
3 0
3 years ago
Evaluate −x+| y | when x=1/3 and y=−7/4. Write your answer as a fraction in simplest form.
Mama L [17]

Answer: = \frac{17}{12}\quad \left(\mathrm{Decimal:\quad }\:1.41666\dots \right)

Step-by-step explanation:

-\frac{1}{3}+\left|-\frac{7}{4}\right|

=-\frac{1}{3}+\frac{7}{4}

=\frac{17}{12}

5 0
3 years ago
Can anyone explain this question to me? My teacher solved it but I didn’t understand how she did it
Amiraneli [1.4K]

Step-by-step explanation:

To find the space a figure takes, we need to find the volume. Volume of a rectangular prism can be found by multiplying the length, width, and height of the figure.

We can start with the green block. The dimensions of this figure are 6cm, 3cm, and 3cm. The 5cm at the bottom is not a dimension of the green figure. Instead, it shows the total width of both blocks. We will use this later.

Back to the first block, we will find its volume by multiplying its dimensions together.

3 · 3 · 6 = 54

So, the volume of the first block is 54 cm³.

To this, we will add the volume of the blue block. We can find its dimensions with some simple deduction.

The picture shows that the height of the figure is 4cm less than the height of the green one, 6cm.

6 - 4 = 2

The height, then, is 2cm.

The width can be found by subtracting the width of the green block from the total width of both figures, 5cm.

5 - 3 = 2

So, the width is also 2cm.

We can see that the length of the blue block is equal to that of the green one, so we know that the length is 3cm.

Now, multiply all the dimensions we have found together.

2 · 2 · 3 = 12

The volume of the blue block is 12cm³.

We have found the volumes of both figures, so now we can add them both together to find the total.

54 + 12 = 66

So, the total volume is 66cm³.

I hope this was a satisfactory explanation ^^ Good luck, mate

7 0
3 years ago
Which phrase correctly describes the solution to the quadratic equation?
natta225 [31]

Answer:

"Two complex solutions" is the answer.

6 0
2 years ago
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