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masha68 [24]
3 years ago
5

Factorise fully 9b-3b²

Mathematics
2 answers:
jenyasd209 [6]3 years ago
7 0

The answer is 3b(3−b)

Schach [20]3 years ago
3 0

3b(3-b) is the answer

Step by step explanation : take out the most common factor which is 3b

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if you buy 3.18 lb of grapes for $0.99 per pound and 1.25 lb of peaches for $1.09 per pound and 2.75 pounds of pears for $1 and
Flura [38]

<u>Answer:</u>

$7.78

<u>Step-by-step explanation:</u>

3.18 lb (grapes) x $0.99 = $3.15 (Real answer: 3.1482. Rounded to the nearest cent)

1.25 lb (peaches) x $1.09 = $1.36 (Real answer: 1.3625. Rounded to the nearest cent)

2.75 lb (pears) x $1.19 = $3.27 (Real answer: 3.2725. Rounded to the nearest cent)

$3.15 (grapes total) + $1.36 (peaches total) + $3.27 (pears total) = $7.78 (total bill)

<u>Final Answer:</u>

$7.78

<em>Hopefully this helps! Sorry if wrong. You are loved and you are beautiful/handsome!</em>

-Bee

6 0
3 years ago
Pls help me on this​
lions [1.4K]

Answer:

A. $3

Step-by-step explanation:

20 × 15% =

20 × 15/100 =

20 × 3/20 = 60/20 = 3

3 0
3 years ago
Read 2 more answers
Best explained and correct answer gets brainliest.
ELEN [110]

3275 = x * (1+0.075/12)^(12*10)

3275 = x * (2.11206463)

x= 3275/2.11206463 = 1550.6154

x=1550.62

she needs to deposit $1,550.62

8 0
3 years ago
Giving brainliest!
Y_Kistochka [10]
So using trigo ;

cos D =base/hypo
cosD =23.5/33.8 = 0.695

so and D = 45.97°

thus angle F = 180-(90+45.97) =44.03°

so your answers are 45.97° and 44.03° or you can say 45° and 45°....approx !!
7 0
3 years ago
Read 2 more answers
Notah lives in Minnesota. He records the lowest temperature each day for one week. What is the mean of the temperatures? -7.3°F,
natita [175]

Answer:

-2.1

Step-by-step explanation:

-7.3 - 11.2 - 1.7 + 0 + 0 +2.2 + 3.3

--------------------------------------------------

                            7

= -2.1

4 0
3 years ago
Read 2 more answers
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