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Katen [24]
3 years ago
15

Richard and teo have combined age of 36 Richard is 9 years older than twice

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0

Answer:

27 years old

Step-by-step explanation:

So if they are 9 years old you can do 36 minus 9. You get 27. And it said the Ages combined, so if we combine/plus 27 and 9 then you get 36.

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Help me find domain? Please
dedylja [7]

This graph is that of a parabola, which in turn represents a quadratic (2nd order) equation, also a polynomial.  The domain of any and all polynomial(s) is "the set of all real numbers," or (-infinity, infinity).


4 0
3 years ago
4/5(2x+5)−4=1<br><br> x = 1 1/4<br> x = 1 2/5<br> x = 5/8<br> x = 3 1/5
tia_tia [17]
The answer is x=5/8. The reason for this is when you divide it equal 0.625 then when you multiply that by 2 it equals 1.25. After you do that you add 5 which is 6.25. Now we divide 4/5 which is 0.8. Now, we multiply 6.25x0.8=5. 5-4=1. Therefore your answer is 5/8. Hope this helps :)
5 0
3 years ago
If the length of the minor axis of an ellipse is 6 units and the length of the major axis is 10 units, how far from the center a
Sedbober [7]

The distance from the center to where the foci are located exists 8 units.

<h3>How to determine the distance from the center?</h3>

The formula associated with the focus of an ellipse exists given as;

c² = a² − b²

Where c exists the distance from the focus to the center.

a exists the distance from the center to a vertex,

the major axis exists 10 units.

b exists the distance from the center to a co-vertex, the minor axis exists 6 units

c² = a² − b²

c² = 10² - 6²

c² = 100 - 36

c² = 64

c = \sqrt{64}

c = 8

Therefore, the distance from the center to where the foci are located exists 8 units.

To learn more about the Pythagorean theorem here:

brainly.com/question/654982

#SPJ4

3 0
1 year ago
Solve for x. Enter the solutions from least to greatest.<br> 4x^2 + 40x + 84 = 0
crimeas [40]

Answer:

x= -3 , -7

Step-by-step explanation:

6 0
3 years ago
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tatiyna

Answer:

A.$0.45

B.$3.51

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3 years ago
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