3 years ago

6. A home repair crew charges seventy-five dollars per day plus two

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

6 0

Answer:

6 hours

Step-by-step explanation:

all you do is 10 divided by 6 then 0 -3-3-6-6-5-6 and you gt 10

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Shane purchased a television at a 20% discount. If the sale price is $375.00, what is the original price ?

Sveta_85 [38]

the answer is going to be 450. all you have to do is add 375+20%

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3 years ago

The product of (3 2i) and a complex number is (17 7i) What is the complex number.

lutik1710 [3]

(I'll assume that the blank spaces are PLUS signs ( + ),
as they usually are on Brainly.)

The mystery complex number is (5 - i) .

(3 + 2i) x (5 - i) = (17 + 7i)

FOIL it out and you'll see it.

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A satellite cable company charges an installation fee of $50 plus an additional $35.95 per month for service.

wolverine [178]

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3 years ago

University Theater sold 465 tickets for a play. Tickets cost $23 per adult and $13 per senior citizen. If total receipts were $7

liq [111]

Answer:

355 senior citizen tickets were sold.

Step-by-step explanation:

Assuming a to the the ticket of adults and s to be the ticket of senior citizens, we can write two equations as:

$a +s=465$ --- (1)

$23a+13s=7145$ --- (2)

From equation 1, $a=465-s$ .

Substitute $a$ in equation 2 to get:

$23 (465-s) + 13s = 7145$

$10695 - 23s +13s =7145$

$-10s = -3550$

$s = 355$

Therefore, there were 355 senior citizen tickets sold.

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3 years ago

Find and identify the traces of the quadric surface x2 + y2 − z2 = 36 given the plane. x = k Find the trace. Incorrect: Your ans

AlekseyPX

Answer:

Hyperbola.

Step-by-step explanation:

We start from the function:

$x^{2} +y^{2} -z^{2} =36$

We may get the traces if we cut the surface in planes x=k. This is equivalent to replace x for k:

$k^{2}+y^{2} -z^{2}=36\\y^{2} -z^{2}=36-k^{2}$

The last equation is the equation of an hyperbola, which varies its characteristics depending on K (the plane cut).

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3 years ago