2 years ago

The base of a triangle is 9cm correct to the nearest cm.

Mathematics

1 answer:

OLEGan [10]2 years ago

3 0

Answer:

can you show the picture plz

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*If diagonal of a square is of length 10√2 cm then the perimeter of square is ...............cm.*

Artyom0805 [142]

Answer: 1️⃣ 40

Step-by-step explanation:

x - is the side of the square

$x^{2} +x^{2} =(10\sqrt{2})^{2} \\2x^{2}} =200\\2x^{2} \div 2=200 \div 2 \\x^{2} =100\\x=\sqrt{100} \\x=10 \: [cm] - side \: of \: a \: square$

Find the perimeter of the square.

Perimeter of the square = 4 × 10 cm = 40 cm

8 0

2 years ago

There are 28 students in Mr. Flynn’s class. The ratio of his students who are in the play to those who are not in the play is 2:

pickupchik [31]

8 students in the play, 20 are not

3 0

2 years ago

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Write an equation for the line parallel to the given line that contains C C(2,6); y= -4x + 7

MrRa [10]

Answer:

$y=-4x+14$

Step-by-step explanation:

step 1

Find the slope of the given line

we have

$y=-4x+7$

This is the equation of the given line in slope intercept form

The slope is $m=-4$

step 2

Find the slope of the line parallel to the given line

we know that

If two lines are parallel, then their slopes are the same

therefore

The slope of the line parallel to to the given line is $m=-4$

step 3

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=-4$

$C\ (2,6)$

substitute

$y-6=-4(x-2)$

step 4

Convert to slope intercept form

$y-6=-4(x-2)$

isolate the variable y

$y-6=-4x+8$

$y=-4x+8+6$

$y=-4x+14$

6 0

2 years ago

Work out the value of (2^3)^2

aniked [119]

Answer:

2^6

Step-by-step explanation:

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Find the coordinates of the point (x, y) shown on the unit circle. X=

wel

Answer:

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Step-by-step explanation:

6 0

2 years ago

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