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2 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Mathematics

2 answers:

Ilia_Sergeevich [38]2 years ago

7 0

Answer:

$163.85

Step-by-step explanation:

Markup 45% means selling price is 100+45 = 145% of cost

145/100 × 113 = 163.85

ziro4ka [17]2 years ago

6 0

Answer:

163.85

Step-by-step explanation:

We can determine the markup by multiplying the wholesale price by the percent

113 * 45%

Changing to decimal form

113*.45

50.85

We add this to the wholesale price to get the price that they should sell the couch

113+ 50.85

163.85

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Mr dale earns £220 per week. He is awarded a pay rise of 4%. how much more money does he get?

WARRIOR [948]

4%+100%=104%
220X104/100= 228.8£

4 0

3 years ago

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Item 10 A bacterial culture quadruples in size every hour. You begin observing the number of bacteria 3 hours after the culture

Vinvika [58]

Answer:

There will be 200 000 bacteria after 8 hours

Step-by-step explanation:

The crop quadruples every hour.

x represents the number of hours that pass after preparing the crop

y represents the number of bacteria after x hours.

The equation for y in function of x 3 hours after observing the crop is:

$y = 192(4^{x - 3})$

We want to know after how long there will be 200 000 bacteria.

Then we make y = 200 000 and clear x.

$200\ 000 = 192(4^{x - 3})\\\\log(200\ 000) = log(192(4^{x-3}))\\\\log(200\ 000) = log(192) + log(4 ^{x-3})\\\\log(200\ 000) - log(192) = (x-3)log(4)\\\\\frac{log(200\ 000) - log(192)}{log(4)} = (x-3)\\\\x = 3 + \frac{log(200\ 000) - log(192)}{log(4)}\\\\x = 8\ hours$

5 0

2 years ago

Fwam surveyed 540 of the students in his school about their favorite color. students could choose between red and blue. 55% said

Digiron [165]

Answer:

243 students' favorite color is red

Step-by-step explanation:

if 55% of the students said their favorite color was blue, then 45% chose that red was their favorite color

we can get 45% of 540 using a cross-multiplication equation

45% is 45/100

45/100 is to ?/540

the (?) represents the value of students who chose red as their favorite color (we do not know this but we can figure it out using cross-multiplication)

45 times 540 is 24300

24300/100 = 243.

Give brainliest, please!

hope this helps :)

4 0

1 year ago

Which of the following is not an example of quadratic inequality

Galina-37 [17]

7x-4 because no x^2 is present. #brainliest pls??

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2 years ago

John drove his car 385 miles on one tank of gas. If his car had 15.4 gallons of gas in it, how many miles per gallon did John dr

sleet_krkn [62]

Answer:25

Step-by-step explanation:

385/15.4=25

6 0

2 years ago

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