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4 years ago

Can you solve this I’m very confused on how to do this

Mathematics

1 answer:

Tema [17]4 years ago

6 0

4.(answer) 7. 20
6.(answer) 10.80
8.(answer) 14.50

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lidiya [134]

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3 years ago

a piece of luggage sells for $225.00 it is on sale this week for $195.00 what is the percent decrease to the nearest whole perce

viktelen [127]

Answer: 13%

Step-by-step explanation:

Given : A piece of luggage sells for $225.00 it is on sale this week for $195.00 .

Decrease in price = $225.00-$195.00= $30.00

Formula to find the percent decrease :-

$\dfrac{\text{Decrease in price}}{\text{Previous price}}\times100\\\\=\dfrac{30}{225}\times100=13.3333333333\approx13\%\ \ [\text{Rounded to the nearest whole percent.}]$

Hence, the percent decrease = 13%

6 0

3 years ago

olive bought 36 potatoes plants. She planted them in her garden in 4 even rows. Wild animals ate a row. 5 plants were eaten by s

almond37 [142]

If there are 36 potato plants, and they are in 4 even rows, that means that there is 9 in each column because 9 x 4 is 36. Since 7 of them were eaten by the sheep and the goat, that means that there are 2 leftover in that row that the sheep and goat got to since 9-7 is 2.

5 0

3 years ago

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£770 is divided between Mark, Henry & Gavin so that Mark gets twice as much as Henry, and Henry gets three times as much as

nydimaria [60]

Answer:

henry gets 231

Step-by-step explanation:

my head

4 0

3 years ago

Read 2 more answers

Can someone help me with this one? It’s very difficult too me

Nostrana [21]

The equation is C = 20t^2 + 135t + 3050

You are told the total number of cars sold is 15000.

Replace c with 15,000 and solve for t:

15000 = 20t^2 + 135t + 3050

Subtract 15000 from both sides:

0 = 20t^2 + 135t - 11950

Use the quadratic formula to solve for t.

In the quadratic formula -b +/-√(b^2-4(ac) / 2a

using the equation, a = 20, b = 135 and c = -11950

The formula becomes -135 +/- √(135^2 - 4(20*-11950) / (2*20)

t = 21.3 and -28.1

T has to be a positive number, so t = 21.3,

Now you are told t = 0 is 1998,

so now add 21.3 years to 1998

1998 + 21.3 = 2019.3

So in the year 2019 the number of cars will be 15000

3 0

4 years ago

Read 2 more answers