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Anna [14]
3 years ago
13

Mrs. Smith and her two sons spent a total of $53.50 at the movie theater. Together they spent $26.75 on snacks and Mrs. Smith's

ticket was $11.25. How much did each son's ticket cost?
Mathematics
1 answer:
MrRissso [65]3 years ago
5 0

Answer:

$7.75

Step-by-step explanation:

$26.75 + $11.25=$38

$53.50 - $38=$15.5

$15.5/2= $7.75

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1200$ invested at a rate of 3.5% compounded quarterly; 4 years
Tju [1.3M]

Step-by-step explanation:

<em>1st year</em>:

(1200 x 3.5 x 1) ÷ 100 = $42

<em>2nd year:</em>

(1242 x 3.5 x 1) ÷ 100= $43.47

<em>3rd year:</em>

(1285.47 x 3.5 x 1) ÷ 100= $44.99≈ $45

<em>4th year:</em>

(1330.47 x 3.5 x 1) ÷ 100= $46.56

Compound interest:

$(42 + 43.47 + 45 + 46.56)

=<u>$ 177.03</u>

4 0
3 years ago
Find the slope of a line that includes the points (10, 8) and (-5, 8).
Pavlova-9 [17]

Answer:

0

Step-by-step explanation:

First, you have to plug it into the formula to find the slope.

\frac{rise}{run} =\frac{y2-y1}{x2-x1}

\frac{8-8}{-5-10} =\frac{0}{-15}

Since 0 divided by anything is 0, that gives us 0 as a slope and it would be horizontal.

4 0
3 years ago
X+y=-9<br> 2x-y=6<br> slove by graphing
OLEGan [10]

Answer:

x+y=9....(i)

2x-6=y....(ii)

then putting the value of y in (i) eqn

x+2x-6=9

3x=15

x=5

Now, putting the value of x in (ii) eqn

then 2*5- 6 =4

Step-by-step explanation:

SO the value of x is 5 and y is 4

HOPE IT HELPS YOU....❤

4 0
3 years ago
Suppose that a monopoly has a profit function π(q) = pq - q2 where p denotes price and q denotes quantity. The demand function i
horrorfan [7]

a. R\p = (10 - q)*2

The inverse demand function is just the inverse function of the demand function. In other words, we just have to isolate p in the demand function:

p = (10 - q)*2

b. R\25

The price for 5 units of output is given by the inverse demand function:

p = (10 - 5)*2 = 10

We replace p in the profit function:

π(q) = 10 * 5 - 5² = 25

c. 3

For this one, we replace the inverse demand function in the profit function and derivate for q, then equate to 0 and solve:

π(q) = ((10 - q)*2)*q - q² = 20q - 2q² - q² = 20q - 3q²

dπ/dq = 20 - 6*q

20 - 6q = 0

q = 20/6 = 3.33333

Now, a decimal level of output makes no sense. So, now we try the nearest integers 3 and 4, and find the respectives profits. The output that has that maximum profit will be the one that maximizes the profit. Keep in mind, that this will only be true in this particular case because the profit function has the form of a quadratic equation:

π(3) = 20 * 3 - 3*(3)² = 33

π(4) = 20 * 4 - 3*(4)² = 32

The answer is 3.

4 0
4 years ago
UNIT 5: CEREAL BOX PROJECT / PORTFOLIO
docker41 [41]

The volume of the cuboid of the box is 180 inches³ while the volume of the cylinder is 235.5 inches³.

<h3>How to calculate the volume?</h3>

The volume of the cuboid will be:

= Length × Width × Height

= 12 × 2 × 7.5

= 180 inches³

The volume of the cylinder will be:

= πr²h

= 3.14 × 2.5² × 12

= 235.5 inches³

The surface area of the cuboid will be:

= 2(12 × 2) + 2(12 × 7.5) + 2(7.5 × 2)

= 48 + 180 + 30

= 258 inches²

The surface area of the cylinder will be:

= 2πrh + 2πr²

= (2 × 3.14 × 2.5 × 12) + (2 × 3.14 × 2.5²)

= 188.4 + 39.25

= 227.65 inches²

Learn more about volume on:

brainly.com/question/1972490

5 0
2 years ago
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