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3 years ago

PLEASE HELP 20 POINTS AND WILL MAKE BRAINLIEST!!!!

Mathematics

1 answer:

slamgirl [31]3 years ago

7 0

Answer:

4x+12 = 4(x+3)

bx-2x = x(b−2)

x^2-6x+9 = (x−3)(x−3)

x^2-4x+4y^2? Don't understand

4a^2-9 = (2a+3)(2a−3)

Step-by-step explanation:

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A bricklayer needs to order 6300kg of building sand.

worty [1.4K]

There are 1000 grams in a kg, so 6300x1000=6,300,000 grams

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3 years ago

Find the missing length

bonufazy [111]

Apply the Pyth. Theorem:

c^2 = 3^2 + 7^2, or c^2 = 9 + 49 = 58. Thus, c = sqrt(58).

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3 years ago

Lucy’s chocolate bar is 54% cocoa. If the weight of the chocolate bar is 54 grams, how many grams of cocoa does it contain? Roun

Masteriza [31]

Answer:

The chocolate bar contains 29.2 grams of cocoa.

Step-by-step explanation:

Given that Lucy’s chocolate bar is 54% cocoa and the weight of the chocolate bar is 54 grams.

Hence, the amount of cocoa in the chocolate bar is given by

54% of 54 grams

54% percentage means 54/100 = 0.54

Hence, the amount of cocoa in the chocolate bar is

$0.54\times54\\=29.16$

When rounded to the nearest tenth, 29.16 should be equal to 29.2

Hence, the chocolate bar contains 29.2 grams of cocoa.

4 0

3 years ago

If Jemma recieved £69 everyday how much money would she get for a year

telo118 [61]

Answer:

£25185

Step-by-step explanation:

It depends on how many days are in your year. If it's a regular year, it's 365 days. If it's a leap year 366 days.

69 x 365 = 25185

69 x 366 = 25254

5 0

3 years ago

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6 ( f + 4 ) + 2 ( f + 4 )

Helga [31]

6(f+4) + 2(f+4)

Use the distributive property:

6f+24 + 2f + 8

Now combine like terms:

8f +32

The answer is 8f + 32

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3 years ago

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