3 years ago

Help please thank you

Mathematics

1 answer:

LenaWriter [7]3 years ago

3 0

Answer:

B)60m^2

Step-by-step explanation:

The area of the rectangle is 40m^2 and the area of the triangle is 20m^2. So 40+20 is 60.

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agasfer [191]

Answer: n^3/m^2

Step-by-step explanation:

first, i expressed it with a positive exponent.

1/m^2 x n^3

then, i calculated it from there.

n^3/m^2

8 0

3 years ago

Light bulbs cost £2.30 each. Yasmin buys as many as she can with £20. How much change should she get? Give your answer in pounds

djyliett [7]

Answer:

£1.6

Step-by-step explanation:

£20 ÷ £2.3= 8 remainder 1.6

change= £1.6

6 0

3 years ago

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What is the value of x?

Flura [38]

I think x=9 so 29 plus 7 is 36. I think it is a 36 degree angle. Correct me if im wrong

7 0

3 years ago

Solve |x – 4| + 6 = 17.

const2013 [10]

Answer:

$\mathrm{C)\:}x=15,\:-7$

Step-by-step explanation:

For $|a-b|=c$ , there are two possible cases:

$\begin{cases}a-b=c\\a-b=-c\\\end{cases}$

Solving for both cases, we get:

$\begin{cases}x-4+6=17, \:x+2=17, \: \fbox{$x=15$}\\-(x-4)+6=17,\: -x+10=17, \: -x=7, \:, \fbox{$x=-7$}\\\end{cases}$

6 0

2 years ago

What is the solution of StartRoot x + 12 EndRoot = x?

Ber [7]

Answer:

x = 4 or x = -3

Step-by-step explanation:

$\sqrt{x+12}=x$

Take square both the sides,

$(\sqrt{x+12})^{2}=x^{2}\\\\x+12=x^{2}$

x² - x - 12 = 0

x² - 4x + 3x - 3*4 =0

x*(x - 4) + 3*(x - 4)= 0

(x- 4 )(x+3) =0

x -4 =0 or x + 3 = 0

x = 4 or x = -3

4 0

3 years ago

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