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Akimi4 [234]
2 years ago
6

Matthew is half as old as Alan. If the sum of their ages is 54, find their ages.

Mathematics
1 answer:
kompoz [17]2 years ago
5 0

Answer:

26

Step-by-step explanation:

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PLZ HELP 13 POINTS!!!!!!!!!! consider the table below that represents a function... input- 20 | -6 | -10 | 5 | -2 | -17 | 8 | ?
wel
-3 and 2 should work
-17, 5, 8 will not work since they are already in the table and we know that the output will not be 9
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Please answer. I have a couple more questions, and if you're willing to answer them please pm me!
mr_godi [17]
The probability is 0.46
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3 years ago
Geometry - Triangle d) In the given figure, BE = EC and CE is the bisector of ZACB. Prove that ZBEC = ZACD. E B D С​
Llana [10]

Answer:

Let m∠BCE = x

Then m∠ACE = x as well since CE is bisecting ∠ACB.

  • m∠ACD + x + x = 180° ⇒
  • m∠ACD = 180° - 2x

Consider ΔBEC

<u>Since BE = EC, the opposite angles are congruent:</u>

  • ∠BCE ≅ ∠CBE

<u>Then:</u>

  • m∠CBE = m∠BCE = x

<u>Find the angle BEC:</u>

  • m∠BEC = 180° - (x + x) = 180° - 2x

<u>Comparing the above we see that:</u>

  • m∠BEC = m∠ACD
  • proved

8 0
2 years ago
the length of a swimming pool is 22 ft. the width is 40 ft. if the volume of the pool is 2,500 ft, which equation would you use
pochemuha
As we know that volume is three dimensional so we will multiply width, length and depth 
Now as we have to find the depth of the pool so
Volume= length*width*depth
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7 0
3 years ago
identify the graph of 9x^2-25y^2=225 for t(0 5) and write an equation of the translated or rotated graph in general form
tamaranim1 [39]

ANSWER

The required equation is:

9 {x}^{2}  - 25{y}^{2}  + 250y  - 85 0=0

EXPLANATION

The given equation is

9 {x}^{2}  - 25 {y}^{2}  = 225

Dividing through by 225 we obtain;

\frac{ {x}^{2} }{25}  -  \frac{ {y}^{2} }{9}  = 1

This is a hyperbola that has it's centre at the origin.

If this hyperbola is translated so that its center is now at (0,5).

Then its equation becomes:

\frac{ {(x - 0)}^{2} }{25}  -  \frac{ {(y - 5)}^{2} }{9}  = 1

We multiply through by 225 to get;

9 {x}^{2}  - 25( {y - 5})^{2}  = 225

We now expand to get;

9 {x}^{2}  - 25( {y}^{2} - 10y + 25 )= 225

9 {x}^{2}  - 25{y}^{2}  + 250y  - 6 25 = 225

The equation of the hyperbola in general form is

9 {x}^{2}  - 25{y}^{2}  + 250y  - 85 0=0

5 0
3 years ago
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