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Murljashka [212]
3 years ago
5

Explain part a and b

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
6 0
As i can see there is a table a bove so the x is the first number which going up the graph and the y is across the line
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Use a 10x10 grid to express the fraction 11\20 as a percent. How many squares would I shade in?
GenaCL600 [577]

Answer: You would share in exactly 55 squares.


Step-by-step explanation: To solve this, you need to know how to convert, divide, and multiply.


10*10=100

100/n=20

n=5

11*5=55

SO, you shade in 55 squares.

6 0
3 years ago
2 + 2 =? i need help
OLga [1]

Answer:

4

Step-by-step explanation:

Think of it this way. You have 2 sets of 2.

I I (This represents two)

I I (This represents the other two)

When you combine these, you get:

I I I I

If you count the tally marks, your answer is 4.

5 0
3 years ago
Read 2 more answers
A point is chosen at random in the square shown below. find the probability that the point is in the shaded circular region. eac
r-ruslan [8.4K]

|\Omega|=6^2=36\\ |A|=3.14\cdot 3^2=28.26\\\\ P(A)=\dfrac{28.26}{36}\approx0.79

6 0
3 years ago
PRACTICE ANOTHER A piece of wire 18 m long is cut into two pieces. One piece is bent into a square and the other is bent into an
sergejj [24]

Answer:

Step-by-step explanation:

We have the equations

4x + 3y = 18   where x = the side of the square and y = the side of the triangle

For the areas:

A = x^2 + √3y/2* y/2

A = x^2  + √3y^2/4

From the first equation x = (18 - 3y)/4

So substituting in the area equation:

A = [ (18 - 3y)/4]^2 + √3y^2/4

A = (18 - 3y)^2 / 16 + √3y^2/4

Now for maximum / minimum area the derivative = 0 so we have

A' = 1/16 * 2(18 - 3y) * -3 + 1/4 * 2√3 y = 0

-3/8 (18 - 3y) + √3 y /2 = 0

-27/4 + 9y/8 + √3y /2 = 0

-54 + 9y + 4√3y = 0

y = 54 / 15.93

= 3.39 metres

So x = (18-3(3.39) / 4 = 1.96.

This is a minimum value for x.

So the total length of wire the square  for minimum  total area is 4 * 1.96

= 7.84 m

There is no maximum area as the equation for the total area is a quadratic with a positive leading coefficient.

3 0
3 years ago
How do I factor 2x^3−18x and x ^3+6x^2+8x
Nana76 [90]

Answer:

2x(x − 3)(x + 3)

x(x + 4)(x + 2)

Step-by-step explanation:

2x³ − 18x

x(2x² − 18)

2x(x² − 9)

2x(x − 3)(x + 3)

x³ + 6x² + 8x

x(x² + 6x + 8)

x(x + 4)(x + 2)

4 0
3 years ago
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