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4 years ago

With a ten dollar bill how much change do i get back if i buy four items, priced at 1.79, 2.99, 4.37 and 0.33

Mathematics

1 answer:

enot [183]4 years ago

5 0

Add the price of the items bought and then subtract that from ten dollars:

Total bought: 1.79 + 2.99 + 4.37 + 0.33 = $9.48

Change back: 10.00 - 9.48 = 0.52

you would get $0.52 back in change.

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How do I find the period of y = -2 cos 0.5x

nevsk [136]

Use the form (bx-c)+ d to find the amplitude , period shift, phase, and vertical shift.
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4 0

4 years ago

A bacteria colony increases in size at a rate of 4.0565e1.3t bacteria per hour. If the initial population is 54 bacteria, find t

Dovator [93]

Answer:

Population of bacteria four hours later $A=616.5187$ or nearest whole number

$A=616$

Step-by-step explanation:

Given,

Let amount of bacteria four hours later is=A

Rate of increase of bacteria per hour $=\frac{\partial x}{\partial t}=4.0565e^{1.3t}$

Initial population of bacteria is =54

Time 4 hours

Find the population of bacteria 4 hours later

Solution,

$\int_{54}^{A}dx=\int_{0}^{4}4.0565e^{1.3t}dt$

$\left [ x \right ]_{54}^{A}=4.0565/1.3\left [e^{1.3t} \right ]_{0}^{4}$

$A-54=4.0565/1.3\left ( e^{1.3\times 4} -1\right )$

$A-54=562.5187301$

$A=562.5187301+54$

$A=616.5187$

Population of bacteria 4 hours later is $A=616$

8 0

4 years ago

Need help with math thank you x - 4 < 12 x

sergey [27]

Answer: x<16

Step-by-step explanation: Hope this help :D

Let's solve your inequality step-by-step.

x−4<12

Step 1: Add 4 to both sides.

x−4+4<12+4

x<16

6 0

3 years ago

Read 2 more answers

Store A sells 11 bagels for $9.57. store B sells 4 bagels for $3.52. how do the unit rates compare?

asambeis [7]

C bcz i checked the calculator ∞

7 0

4 years ago

Which algebraic expression represents this phrase? the product of 40 and the distance to the finish line A. 40•d B.

kenny6666 [7]

Answer:

A 40•d

Step-by-step explanation:

The product of 40 and the distance (d)

40•d

B is division

C is subtraction

D is addition

The product of two numbers is multiplication, so the answer must be A

5 0

3 years ago