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IgorLugansk [536]
2 years ago
9

At a museum shop, Alysa bought two books for $28.50 and some cards for $3.25 each. Her total purchase came to $44.75. How many c

ards did she
buy?
Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
7 0

Answer:

5

Step-by-step explanation:

44.75 - 28.50 = 16.25 so 16.25 divided by 3.25 equals 5 and 5 times 3.25 equals 16.25 and 16.25 plus 28.50 equals 44.75 so she bought 5 cards.

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If a point is originally located at (2,9) and is translated 4 units to the right and 7 units up, what would its new
aliina [53]

Given:

The point is (2,9).

It is translated 4 units to the right and 7 units up.

To find:

The coordinates of new point.

Solution:

The point is translated 4 units to the right and 7 units up. So, the rule of translation is

(x,y)\to (x+4,y+7)

The point is (2,9). Using the above rule, we get

(2,9)\to (2+4,9+7)

(2,9)\to (6,16)

Therefore, the coordinates of new points are (6,16).

5 0
2 years ago
Write an equation of the line that passes through the point (6, -9) with the given slope m = 3.
adelina 88 [10]

Answer:

y = 3x - 27

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 3 , then

y = 3x + c ← is the partial equation

To find c substitute (6, - 9) into the partial equation

- 9 = 18 + c ⇒ c = - 9 - 18 = - 27

y = 3x - 27 ← equation of line

3 0
2 years ago
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A set of golf clubs is on sale for $150.00, which is 70% off its original price.What was the original price of the golf clubs
irina1246 [14]

x - 0.7x = 150 \\ 0.3x = 150 \\ x = 500
The original price is $500
6 0
3 years ago
Perform the indicated operation.<br> h(n)=n-3<br> g(n)=-2n² + 2<br> Find (hºg)(n)
Anni [7]

Step-by-step explanation:

h(n) = n - 3 \\ g(n) =  - 2 {n}^{2}  + 2 \\  \\ (h.g)(n) = h(n).g(n)  \\  = (n - 3).( - 2 {n}^{2}  + 2) \\  = n( - 2 {n}^{2}  + 2) - 3( - 2 {n}^{2}  + 2) \\  =  - 2 {n}^{3}  + 2n + 6{n}^{2}   - 6 \\    \red{\boxed {\bold{\therefore \: (h.g)(n) = - 2 {n}^{3}+ 6{n}^{2} + 2n  - 6}}}

3 0
2 years ago
My question was;
UkoKoshka [18]

Answer:

84.

Step-by-step explanation:

96 / (7 + 5) + 19 * 4

Use order of operations (PEMDAS* ).

Perform the operation in the parentheses first:

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Now the divide and multiplication:

= 8 + 76

and finally the add:

= 84.

*PEMDAS = ParanthesesExponentsMultiplyDivideAddSubtract.

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2 years ago
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