3 years ago

What is 7.2 divided by 8

Mathematics

2 answers:

DIA [1.3K]3 years ago

6 0

Answer:

Step-by-step explanation: .9 x 8 is .2

Kitty [74]3 years ago

5 0

Answer:

0.9

Step-by-step explanation:

7.2 divided by 8. Multiply 10 on each side then divide. It'll make it easier

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If a company buys coffee at a price of $5/kg and then sells it their stores for $18/kg, what is the percentage profit compared t

vredina [299]

Answer:

260%

Step-by-step explanation:

For the coffee;

cost price ( $C_{P}$ ) = $5/kg

selling price ( $S_{P}$ ) = $18/kg

Percentage profit (%P) = $\frac{S_P - C_P}{C_P} * 100%$ %

Substitute the right values into the above;

%P = $\frac{18 - 5}{5} * 100%$ %

%P = $\frac{13}{5} * 100%$ %

%P = 260%

Therefore, the percentage profit compared to the original cost of the coffee is 260%

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3 years ago

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SashulF [63]

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Step-by-step explanation:

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REY [17]

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Step-by-step explanation:

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3 years ago

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melamori03 [73]

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7 0

4 years ago

Simplify completely x^2+7x-30/x+10

marta [7]

Answer:

(x-3)

Step-by-step explanation:

we have

$\frac{x^{2}+7x-30}{x+10}$

step 1

Simplify the numerator

Complete the square

Equate the equation to zero

$x^{2}+7x-30=0$

$x^{2}+7x=30$

$x^{2}+7x+3.5^{2}=30+3.5^{2}$

$x^{2}+7x+12.25=42.25$

Rewrite as perfect squares

$(x+3.5)^{2}=42.25$

Take square root both sides

$(x+3.5)=(+/-)6.5$

$x=-3.5(+/-)6.5$

$x=-3.5(+)6.5=3$

$x=-3.5(-)6.5=-10$

therefore

$x^{2}+7x-30=(x-3)(x+10)$

substitute in the numerator

$\frac{x^{2}+7x-30}{x+10}=\frac{(x-3)(x+10)}{x+10}=x-3$

8 0

4 years ago