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love history [14]
3 years ago
14

Pls help, I'll make the brainliest person the first to answer pls

Mathematics
2 answers:
Marianna [84]3 years ago
8 0
I wish I could help:/
Fofino [41]3 years ago
6 0

Answer:

Sydney is 10 hours ahead of London

Beijing is 2 hours 30 minutes ahead of Delhi

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8) A pyramid has a rectangluar base with length 12 km and width of 5 km. If the volume is 200
SashulF [63]

Hi there!

\large\boxed{h = 10km}

We know that the equation for the volume of a pyramid is:

V = 1/3(bh)

We know that:

V = 200 km³

b = 12 × 5 = 60 km²

We can plug these into the equation:

200 = 1/3(60)(h)

Simplify:

200 = 20h

Divide both sides by 20:

200/20 = 20h/20

h = 10 km

6 0
2 years ago
Mariah build a tabletop using square tiles there are 12 rows of tiles and 30 tiles in each row how many tiles does Maria use
Stells [14]

30 \times 12 = 360
360 because 30×12=360 so it would be 360 b
6 0
3 years ago
For each of the following, state the equation of a perpendicular line that passes through (0, 0). Then using the slope of the ne
SVEN [57.7K]

Answer:

The answer is below

Step-by-step explanation:

a) y=3x-1

The standard equation of a line is given by:

y = mx + c

Where m is the slope of the line and c is the intercept on the y axis.

Given that y=3x-1, comparing with the standard equation of a line, the slope (m) = 3, Two lines with slope a and b are perpendicular if the product of their slope is -1 i.e. ab = -1. Let the line perpendicular to y=3x-1 be d, to get the slope of the perpendicular line, we use:

3 × d = -1

d = -1/3

To find the equation of the perpendicular line passing through (0,0), we use:

y-y_1=d(x-x_1)\\d\ is\ the \ slope:\\y-0=-\frac{1}{3} (x-0)\\y=-\frac{1}{3}x

To find  x if the point P(x, 4) lies on the new line, insert y = 4 and find x:

y=-\frac{1}{3}x\\ 4=-\frac{1}{3}x\\-x=12\\x=-12

b) y=1/4 x+2

Given that y=1/4 x+2, comparing with the standard equation of a line, the slope (m) = 1/4. Let the line perpendicular to y=1/4 x+2 be f, to get the slope of the perpendicular line, we use:

1/4 × f = -1

f = -4

To find the equation of the perpendicular line passing through (0,0), we use:

y-y_1=f(x-x_1)\\f\ is\ the \ slope:\\y-0=-4 (x-0)\\y=-4x

To find  x if the point P(x, 4) lies on the new line, insert y = 4 and find x:

y=-4}x\\ 4=-4x\\x=-1

8 0
2 years ago
Write an equation about having 6 puzzles, getting 5 more and having a lot now.
sattari [20]
6+5=11
or
6+5=?
It shows we originally have 6 and now have 5 more having a total of 11
8 0
3 years ago
Need help on this! Please help
Olegator [25]

Answer:

PDR= 127

Step-by-step explanation:

3 0
3 years ago
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