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3 years ago

Help with a & b please ! :)

Mathematics

1 answer:

quester [9]3 years ago

8 0

A. 50 divided by .6 is 30 so .6
B. x=9 y=30

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Simplify the following: <br> 8h – 4g + 5g + 2h

Talja [164]

$8h - 4g + 5g + 2h \\ \\ (8h + 2h) -(4g - 5g) \\ \\ 10h - ( - g) \\ \\ 10h + g$

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3 years ago

1. What is the sum of 1/9, 2/3, and 5/18?<br> O A. 30<br> O B. 12/9<br> O C. 19/18<br> O D. 4/15

Serhud [2]

Answer:

C. 19/18

Step-by-step explanation:

$\frac{1}{9} + \frac{2}{3} + \frac{5}{18 } = \frac{2}{18} + \frac{12}{18} + \frac{5}{18} = \frac{19}{18}$

So the answer is C. 19/18

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1 year ago

Tell whether the ordered pair is a solution of the linear system. (-4,-6); -3x+y=6, -2x+y=-8

harkovskaia [24]

Plug them in... -4=x -5=y

-3x-4+-6=6 (check)
-3x-4=12-6=6 (ordered pair works with this equation)

-2x-4+-6=-8 (check)
-2x-4=8-6=2 (ordered pair does not work with this equation)

Therefore the ordered pair IS NOT the solution.

Hope this helps :)

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3 years ago

10. If 1000 cm = 1 l, find the capacity of the following water tank in litre

Lelu [443]

<h2>Given :</h2>

length = 200 cm

breadth = 150 cm

height = 100 cm

<h2>Solution : </h2>

$\large \boxed{volume = l \times b \times h}$

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$3000000 \: \: cm {}^{3}$

Through the statement above we have,

$\small\mathrm{1000 \: cm³ = 1 \: \: }l$

$\small\mathrm{1 \: cm {}^{3} = \dfrac{1}{1000} \: }l$

$\small\mathrm{3000000 \: cm {}^{3} = 3000000 \times \dfrac{1}{1000} \: }l$

$\small\mathrm{3000000 \: cm {}^{3} = 3000000 \times \dfrac{1}{1000} \: }l$

$\small\mathrm{ 3000 \: \: litres}$

_____________________________

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3 years ago

Find the surface area of a square pyramid with side length 5 Fr and slant height 5 ft.

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

Surface Area :

Area (4 triangles) + Area (base)
4 x 1/2 x 5 x 5 + 5 x 5
50 + 25
<u>75 ft²</u>

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1 year ago

Read 2 more answers