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sasho [114]
2 years ago
7

What is the approximate area of the circle shown below?

Mathematics
1 answer:
ivolga24 [154]2 years ago
3 0
The answer is 20,106 basically “B”
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Two more than a certain number is 15 less than twice the number. Find the number
Svetllana [295]
2+x=2x-15
>> 2+15=2x-x
>> 17 = x

So the answer is <u>17</u>
6 0
3 years ago
Read 2 more answers
In the algebraic expression 7/y why is coefficient of y? Explain.
dybincka [34]

Answer:

7 is the (constant) coefficient of 1/y, but no, it is not the coefficient of y

Step-by-step explanation:

7/y can be rewritten as 7(1/y) or as 7(y^[-1]).  In this case, yes, 7 is the (constant) coefficient of 1/y, but no, it is not the coefficient of y.

3 0
3 years ago
Choose the number sentence that illustrates the distributive property of multiplication over addition.
Ratling [72]

Answer:

One number sentence shows the distributive property of multiplication over addition. ... (5 + 4) × 3 = (5 × 3) + (4 × 3) is an example of the distributive property. (5 − 4) × 3 = 1 × 3. 1 × 3 is not equal to (1 × 3) − (1 × 3).

Step-by-step explanation:

A

6 0
3 years ago
Translate each sentence into an equation.
ser-zykov [4K]
Bear in mind that words like "are" or "is" is replaced by an equal "=" sign in the equation.
more than or increased by denotes addition
twice the number denotes two times the number
times, simply means multiply.

Let x be the unknown number in the equations.

12 birds are 3 more than twice the number of birds Rhonda saw yesterday.

12 = 2x + 3

Negative 6 times the sum of a number and 4 is 2

-6(x+4) = 2

Four time a number increased by 3 is -89

4x + 3 = -89

Hope this helps!

8 0
3 years ago
The supply curve for steel is 90x−y=−50. The demand curve is 10x+y=200. x is quantity in thousands of metric tons y is price in
ivolga24 [154]

Answer:

The intersection point of the two curves is (x,y) = \left(\frac{3}{2}\,kton.m, 185\,USD \right).

Step-by-step explanation:

From statement we get the following equations:

Supply curve

90\cdot x - y = -50 (1)

Demand curve

10\cdot x + y = 200 (2)

Where:

x - Quantity, measured in thousands of metric tons.

y - Price, measured in US dollars per metric tons.

If we add both equations, then we find that quantity is:

(90\cdot x -y )+(10\cdot x +y) = -50+200

100\cdot x = 150

x = \frac{3}{2}\,kton.m

Then, we finally find the price by substituting on (2):

y = 200-10\cdot \left(\frac{3}{2} \right)

y = 200-15

y = 185\,USD

The intersection point of the two curves is (x,y) = \left(\frac{3}{2}\,kton.m, 185\,USD \right).

5 0
3 years ago
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