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Rainbow [258]
3 years ago
11

emilys meal costs $20.25 and darrens meal costs $32.75. emily treats darren by paying for both meals and leaves for 15% tip. fin

d the total cost.
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

$60.95

Step-by-step explanation:

First find the total cost of the two meals w/o the tip.

20.25 + 32.75 = 53

Now find what 15% of 53 is by multiply 53 and 0.15 (move the decimal point twice to the left).

53 * 0.15 = 7.95

Add the tip to the total cost of the meals.

53 + 7.95 = 60.95

The total cost is $60.95.

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WILL MARK BRAINLIEST
Nutka1998 [239]

Answer:

a² + b² = 68

a3 + b3 = 520

Step-by-step explanation:

Given :

a + b = 10 (1)

ab = 16 (2)

A. Find a² + b²

(a + b)² = a² + 2ab + b² (3)

Substitutite the values of (1) and (2) into (3)

(10)² = a² + 2(16) + b²

100 = a² + 32 + b²

Subtract 32 from both sides

100 - 32 = a² + b²

a² + b² = 68

B. a^3 + b^3

(a + b)^3 = a^3 + b^3 + 3ab(a + b)

(10)^3 = a^3 + b^3 + 3*16(10)

1000 = a^3 + b^3 + 480

a^3 + b^3 = 1000 - 480

a3 + b3 = 520

5 0
2 years ago
Factorising quadratics <br><br> All questions please to be completed. I’m stuck.
Alex777 [14]

Answer:

1. (x +1)(x - 1)

2. (x+5)(x-5)

3. (x+12)(x-12)

4. (x+14)(x-14)

5. (x+5)(x-7)

Step-by-step explanation:

The first 4 expressions can be factored with the difference of squares type of factoring.

For #5, the odd one out is (x+5)(x-7) because it isn't a factor of any of the standard form equations, while the others are

5 0
3 years ago
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andrew11 [14]

Answer: Your answer should be C) 171! Hope this helps you!

Step-by-step explanation:

3 0
3 years ago
Drag a description to match each equation.
AnnZ [28]

Given:

The descriptions and equations. The equations are

y=4x

y=x+4

To find:

The correct description for each equation and match them.

Solution:

We know that, "+" is used for more and "×" is used for times.

Additive: y is 4 more than x.

y=x+4

Additive: x is 4 more than y.

x=y+4

Multiplicative: y is 4 times x.

y=4x

Multiplicative: x is 4 times y

x=4y

Therefore, the correct description for the equation y=4x is "Multiplicative: y is 4 times x " and the correct description for the equation y=x+4 is "Additive: y is 4 more than x. "

4 0
3 years ago
Find AM in the parallelogram if PN=9 and AO=4
yaroslaw [1]
Diagonals of a parallelogram bisect each other. It is not relevant that PN=9. since AO=4 then AM=4
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3 years ago
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