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4 years ago

If you answer the question correctly I will give you brainliest

Mathematics

2 answers:

Yakvenalex [24]4 years ago

6 0

Answer:

2.25 miles

Step-by-step explanation:

4.5/2=2.25

oksano4ka [1.4K]4 years ago

6 0

Answer:

16 miles. Plz give brainliest

Step-by-step explanation:

I don't know how to explain :(

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Can someone please help me with this?

melamori03 [73]

Answer: $\Large\boxed{f(-9)=-189}$

Step-by-step explanation:

f(x) = -3x² - 6x

Requirements of the question

Find the value of f(-9)

Substitute values into the given function

f(x) = -3x² - 6x

f(9) = -3 (-9)² - 6 (-9)

Simplify the exponent

f(9) = -3 (81) - 6 (-9)

Simplify by multiplication

f(-9) = (-243) - (-54)

Simplify by subtraction

$\Large\boxed{f(-9)=-189}$

Hope this helps!! :)

Please let me know if you have any questions

4 0

2 years ago

Calculate the volume of this 3D figure

Firdavs [7]

Answer:

300cm

Step-by-step explanation:

the figure on the bottom would be “length x width x height” so it would be 4x6x12 and that would be

288cm

For the small figure on the top the length would be 1 because 4 - 3 is 1 ,

the width would be 12 and the height would be 1 because the 7 on the side is the height of the whole thing and the 6 is the height not including the figure on top. So for the top figure it would be 1x12x1 which would be

12cm

288+12 = 300cm

7 0

4 years ago

Karla saved 2/3 of her allowance. Olga saved 25% of her allowance. Harley saved 1/8 of her allowance. And, Kayla saved 0.40 of h

Fittoniya [83]

Answer:

0.125, 0.25, 0.4, 0.666...

Harley, Olga, Kayla, Karla

Step-by-step explanation:

Change each number into a decimal, then compare them.

Karla saved 2/3 = 0.666...

Olga saved 25% = 0.25

Harley saved 1/8 = 0.125

Kayla saved 0.40 = 0.4

From least to greatest:

0.125, 0.25, 0.4, 0.666...

Harley, Olga, Kayla, Karla

3 0

2 years ago

How long will it take to fill the tank with 40 gallons of water?

Snezhnost [94]

Answer:

15-25

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Mrs Binder owns a second hand. Book shop.she buys 30 good as new books for £3 each.she chooses a selling price that will give he

TEA [102]

Cost of the books = £3 x 30 = £90

----------------------------------------------------------------------------
Sales from 3/5 of the books :
----------------------------------------------------------------------------
3/5 of the books = 3/5 x 30 = 18

40% of £3 = 0.4 x £3 = £1.20
Selling Price = £3 + £1.20 = £4.20

Total Sales = £4.20 x 18 = £75.60

----------------------------------------------------------------------------
Sales from the remaining books :
----------------------------------------------------------------------------
Remaining books = 30 - 18 = 12

Selling Price = £4.20 - 20% x £4.20
Selling Price = £4.20 - 0.2 x 4.20
Selling Price = £3.36

Sales = £3.36 x 12 = £40.32

----------------------------------------------------------------------------
Find Percentage Profit :
----------------------------------------------------------------------------
Total Sales = £75.60 + £40.32 = £115.92

Profit = £115.92 - £90 = £25.92

Percentage Profit = 25.92/90 x 100 = 28.8%

----------------------------------------------------------------------------
Answer: 28.8%
----------------------------------------------------------------------------

7 0

3 years ago