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Aleonysh [2.5K]
4 years ago
12

A student wants to buy 4 bottles of lemonade that cost $1.65 each . if they pay with a bill how much will they get back?​

Mathematics
1 answer:
qwelly [4]4 years ago
5 0

Answer:

$3.40

Step-by-step explanation:

"A bill" = "1 bill"

Possibile bills = $1, $5, $10, $20, $50, $100

4 × 1.65 = 6.6

$6.60 is more than $5, but less than $10

Since the student is only using a single bill, it must be the $10 bill

10 - 6.6 = 3.4

$3.40

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Describe how to solve the following equation. Explain why you do each step. n/3=15
vovangra [49]

Answer:

Its n = 45

Step-by-step explanation:

Multiply both sides of the equation by 3 .

3 ⋅ \frac{n}{3} = 3 ⋅ 14

Simplify both sides of the equation.

n = 45

I hope this helps

if you could, feel free to mark me Brainliest it would be much appreciated :D

3 0
4 years ago
Read 2 more answers
Rewrite the following expression using the properties of rational exponents. Be sure your answer is in simplest form.
ivolga24 [154]

Answer:

12^(3/2)

Step-by-step explanation:

(2x6)^3/2

2x6=12

12^3/2= 41.5692193817

8 0
3 years ago
a total of 10000 was invested in two business ventures A and B .at the of the first year A and B yielded returns of 6% and 23÷4
wolverine [178]

Answer:

(1)

compound amount = 802.5 $

invest earned = 52.5 $

Step-by-step explanation:

total amount = 10000 $

let amount x invested in ventures A and remaining (1000-x) on ventures B

now,

6x/100 +23/400(1000-x ) = 588.75

{24x+23(1000-x)}/400 =588.75

x=235500-230000

x=5500

Amount invested on A = 5500$

Amount invested on B = 4500$

(2)

principle=750$

time= 1 year

effective invest rate = 7%

a) compound amount = p(1+(r/w)^t

=750{1+(7/100)}^1

=802.5$

b) invest earned = 802.5-700 = 52.5$

3 0
3 years ago
Which pair of sets of tables represent a function that has linear (constant) rate of change?
Likurg_2 [28]

Answer:

  B.  A and D

Step-by-step explanation:

In each of the tables, the x-values differ by 1. So, a linear relation will have the y-values differ by a constant amount. We observe the differences to be ...

  A: 3, 3, 3 . . . . a constant, so this function is linear

  B: 1, 3, 5 . . . . not a constant; non-linear

  C: 1, -6, 13 . . . not a constant; non-linear

  D; 0, 0, 0 . . . a constant, so this function is linear

Tables A and D represent linear functions.

4 0
3 years ago
Find the length of side AB<br> Give answer to 3 significant figures
Rina8888 [55]

Answer:

AB = 8.857 cm

Step-by-step explanation:

Here, we are given a <em>right angle</em> \triangle ABC in which we have the following things:

\angle A = 90 ^\circ\\\angle C = 41 ^\circ\\\text{Side }BC = 13.5 cm

Side <em>BC </em>is the hypotenuse here.

We have to find the side <em>AB</em>.

Trigonometric functions can be helpful to find the value of Side AB here.

Calculating \angle B:

Sum of all the angles in \triangle ABC is 180^\circ.

\Rightarrow \angle A + \angle B + \angle C = 180^\circ\\\Rightarrow 90^\circ + \angle B + 41^\circ = 180^\circ\\\Rightarrow \angle B = 49^\circ

We know that <em>cosine </em>of an angle is:

cos \theta = \dfrac{\text{Base}}{\text{Hypotenuse}}\\\Rightarrow cos B = \dfrac{AB}{BC}\\\Rightarrow cos 49^\circ = \dfrac{AB}{13.5}\\\Rightarrow AB = 13.5 \times 0.656\\\Rightarrow AB = 8.857 cm

So, side AB = 8.857 cm .

6 0
3 years ago
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