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2 years ago

Find the variable of the following

Mathematics

1 answer:

Scilla [17]2 years ago

6 0

Answer:

His brother would be 42 inches tall

Step-by-step explanation:

this is pretty simple lol

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Lucy rides her bike 20 kilometers every week. How many kilometers does Lucy ride her bike in 7 weeks

lutik1710 [3]

Lucy ride 140 kilometers in 7 weeks :)

8 0

2 years ago

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Help me with this hard decimals Decimals is 3.5/100

zubka84 [21]

Just divide 3.5 with 100 so it would be 0.035

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2 years ago

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Vector V is in standard position and makes an angle of 50° with the positive x-axis. Its magnitude is 15. Write V in component f

Scilla [17]

Answer:

a=9.641, b=11.49

Vector will be 9.641 i + 11.49 j

Step-by-step explanation:

We have given that vector V has the magnitude of 15

And it makes an angle of 50 $^{\circ}$ with positive x axis

Now let the x component of vector V is a and y component of vector V is b

So $a=Vcos\Theta =15\times cos50^{\circ}=9.641$

$b=Vsin\Theta =15\times sin50^{\circ}=11.49$

In vector form 9.641 i+11.49 j

8 0

2 years ago

Fiona’s school has three hallways that make up three sides of a triangular building design. In the morning, Fiona walks 90 yards

lilavasa [31]

Answer:

"between 30 yards and 150 yards"

Step-by-step explanation:

Let one side of a triangle be x and another side be y. To find the possible lengths of the third side, it is given by:

Possible length of 3rd side would be between "x - y" and "x + y"

Here, given x = 90 and y = 60, so the possible length of 3rd side would be:

90 - 60 = 30,

90 + 60 = 150

Hence, in between 30 and 150

6 0

2 years ago

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The equation y=my+b is the slope- intercept form of a linear equation solve y=mc+b for m

SVEN [57.7K]

We need to leave m alone on the right hand side, so let's move everything else to the left hand side.

First of all, we can subtract b from both sides to get

$y-b = mc$

Now, we can divide both sides by c to get

$\dfrac{y-b}{c}=m$

And so we solved the expression for m, because we have written an expression in the form $m=\ldots$ , where the right hand side doesn't depend on m.

8 0

2 years ago