3 years ago

HiCan you check my answer please

Mathematics

1 answer:

Mkey [24]3 years ago

3 0

Answer:

That is correct!

Step-by-step explanation:

Hope i could help!!!!!!!!

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Lisa has twelve fewer dimes than quarters, for a total of $11.05

SVEN [57.7K]

So set up the equations
q-12=d
25q+10d=1105
plug in q-12 as d in the second equation:
25q+10q-120=1105, then simplify:
35q=1225
q=35
since there's 12 fewer dimes, we know that there's 23 dimes and 35 quarters.

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3 years ago

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Answer:

6, 13 and 14

Step-by-step explanation:

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Answer:

f(x) = (x- 10)(x + 4)

Step-by-step explanation:

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3 years ago

Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?

vitfil [10]

<u> Solution-</u>

The given function is,

$f(x) = x^4+ x^3-x^2-x$

$= x^3(x+1)- x(x+1)$

$= (x+1)(x^3-x)$

$= (x+1)x(x^2-1)$

$= (x+1)x(x+1)(x-1)$

$= {(x+1)}^2x(x-1)$

Therefore, at x=0, -1, 1 , f(x) will be 0 . Hence, 0, -1 ,1 are the x-intercepts.

Plotting the graph on desmos, the graph will be as in the attachment.

7 0

4 years ago

Read 2 more answers

Help me quick please!

trapecia [35]

Answer:

-3 and 1

Step-by-step explanation:

Zeros of a function are usually the points the graph touches on the x axis.

8 0

3 years ago

HiCan you check my answer please ​

HiCan you check my answer please