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3 years ago

8

a shop sells 1 chocolate for $1 each,you can exchange 3 wrappers for 1 chocolate.if you have $15 how many chocolates can you get

?

1 answer:

frutty [35]3 years ago

5 0

You can only get 5 c chocolates if you have that many.

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A tin is a right circular cylinder with a diameter of 6 meters and a height of 10 meters. What is the surface area of this tin,

Alex777 [14]

Answer:

245.04

Step-by-step explanation:

A=2πrh+2πr2=2·π·3·10+2·π·32≈245.04423

Divide 6 by 2 to find the radius

5 0

3 years ago

If the measure of a tangent-chord angle is 74, then what is the measure of the intercepted arc inside the angle

Vedmedyk [2.9K]

The measure of the intercepted arc is twice the measure of the tangent-chord angle:
2×74° = 148°

The measure of the intercepted arc is 148°.

7 0

3 years ago

Read 2 more answers

Find a fraction equivalent to 5/7 whose squared terms add up to 1184.

bogdanovich [222]

The system of equations of two unknowns is formulated and solved.

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left\{\begin{matrix} \ \ \ \dfrac{x}{y} = \dfrac{5}{7} \\ x^2+y^2 = 1184 \end{matrix}\right. \ \Longrightarrow \ x=\dfrac{5}{7}y } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left (\dfrac{5}{7}y \right )^2+y^2=1184\ \Longrightarrow\ 25y^2+49y^2=58016 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{74y^{2}=58016} \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ \ y^{2}=784 } \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ y=\pm\sqrt{784}=\pm28 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ x=\dfrac{5}{7}(\pm 28)=\pm 20 } \end{gathered}$}$

The fraction that satisfies the request is $\bf{\dfrac{20}{28}}$ , since in $\bf{\dfrac{-20}{-28}}$ the negative signs are canceled and the first fraction is obtained.

3 0

2 years ago

Priya makes bracelets for her online store. Her monthly business expenses are $520. She sells an average of 80 bracelets per

ch4aika [34]

Answer:

B

Step-by-step explanation:

Profit = total revenue - total cost

total revenue = 80 x b

total cost = 520

the profit has to be at least $1240

80 x 22 = 1760

1760 - 520 = 1240

b is correct

5 0

3 years ago

The cost of 5 story books is Rs 800. How many books can be bought for Rs 1,440?

djyliett [7]

Answer:

cost of 5 story book=800

cost of 1 story book=800/5

=160

how many. book can be bought on rs.1400

=1400/160

=8.75

Step-by-step explanation:

=

4 0

2 years ago