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3 years ago

7

an item is regularly priced at $70. It is on sale for 30% off the regular price. how much in dollars is discounted from the regu

lar price

1 answer:

sleet_krkn [62]3 years ago

7 0

$9 is discounted from the regular price. If you find the discounted price you get $21. Then subtract the 21 from 30 and you get 9

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The total cost of an order of gift baskets includes the cost of each gift basket plus a one time delivery fee. The cost of each

Helen [10]

Answer:

x = cost of each gift basket = $14.5

y = one time delivery fee = $135

Step-by-step explanation:

Let

x = cost of each gift basket

y = one time delivery fee

40x + y = 715 (1)

400x + y = 5935 (2)

Subtract (1) from (2)

400x - 40x = 5935 - 715

360x = 5220

x = 5220/360

x = 14.5

Substitute x = 14.5 into (1)

40x + y = 715 (1)

40(14.5) + y = 715

580 + y = 715

y = 715 - 580

y = 135

x = cost of each gift basket = $14.5

y = one time delivery fee = $135

4 0

2 years ago

If x2 + y2 = 38 and x - y = 2, then what is x? If there are two possible answers, then enter the larger of the two.

Ket [755]

If x-y=2 then x=2+y

And if you insert that in the first equation

$(2 + y) {}^{2} + y {}^{2} = 38$
$4 + 4y + y {}^{2} + {y}^{2} = 38$
$2y {}^{2} + 4y - 34 = 0$
$y = - 1 + \sqrt{17}$
Or
$y = - 1 - \sqrt{17}$

The first one is bigger so the answer is

$y = - 1 - \sqrt{17}$

7 0

3 years ago

Read 2 more answers

Please help me with this question!!

Bess [88]

Answer:

$x=16 * cos(46)$

Step-by-step explanation:

Well, first let's look at our trig identities. We can set up a cosine function using the given angle:

$cos (46^{o} ) = \frac{x}{16}$ (adjacent/hypotenuse)

Then, multiplying both sides by 16 gives us:

$x=16 * cos(46)$

Hope this helps!

4 0

3 years ago

3. Combine like terms: <br> 14 + 3 + 2c -20c <br><br> Solve for x:<br> x - 12= 20

Aneli [31]

Answer:

-18c + 17

x = 32

4 0

3 years ago

A suburban specialty restaurant has developed a single drive-thru window. Customers order, pay, and pick up their food at the sa

d1i1m1o1n [39]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Average number of arrivals = 6 per hour

Service rate = 3 every 15 minutes

Service rate is given by

$\mu=\dfrac{60\times 3}{15}=12$

So, the average number of customers in the system is given by

$\dfrac{\mu}{\mu-\lambda}\\\\=\dfrac{6}{12-6}\\\\=\dfrac{6}{6}\\\\=1$

Hence, Option 'c' is correct.

8 0

3 years ago