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kaheart [24]
3 years ago
11

Circle D has its center on a radius of circle A. The diameter of circle D is equal

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0

Answer:

1:4

Step-by-step explanation:

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What are the x-intercepts of the graph of y = x 2 + 7x + 10?
Firdavs [7]

Answer:

A. (-5, 0) and (-2, 0)

Step-by-step explanation:

Assuming you mean x^2 + 7x + 10. Simply graph using Desmos and locate where the graph crosses the x-axis! :)

5 0
3 years ago
Select all the expressions that are equivalent to 10x + 4 - (6x - 1)
Travka [436]

Answer:

4x + 5

Step-by-step explanation:

10x + 4 - 6x + 1

= 4x + 5

3 0
3 years ago
$299 for 4 tires this is unit rate i don't get this please help me
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6 0
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Read 2 more answers
Two numbers whose sum is 44 and whose product is a maximum
Mashcka [7]

Answer:

x = y = 22

Step-by-step explanation:

It would help to know your math course. Do you know any calculus? I'll assume not.

Equations

x + y = 44

Max = xy

Solution

y = 44 - x

Max = x (44 - x)                    Remove the brackets

Max = 44x - x^2                   Use the distributive property to take out - 1 on the right.

Max = - (x^2 - 44x )               Complete the square inside the brackets.

Max = - (x^2 - 44x + (44/2)^2 ) + (44 / 2)^2 . You have to understand this step. What you have done  is taken 1/2 the x term and squared it. You are trying to complete the square. You must compensate by adding that amount on the end of the equation. You add because of that minus sign outside the brackets. The number inside will be minus when the brackets are removed.

Max = -(x - 22)^2 + 484

The maximum occurs when x = 22. That's because - (x - 22) becomes 0.

If it is not zero it will be minus and that will subtract from 484

x + y = 44

xy = 484

When you solve this, you find that x = y = 22 If you need more detail, let me know.


4 0
3 years ago
On a youth soccer team three out of 12 team members have played in previous years. Based on this information, if 180 kids are in
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There should be 45 players that have played before
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