3 years ago

The value of y varies directly with x, and y = 3 when x = 1. Find y when x = −5.

Mathematics

1 answer:

elena-s [515]3 years ago

4 0

I hope this helps you

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I’m confused on this one

tatyana61 [14]

$6\sqrt2$

Why?

We have the isosceles right triangle. The length of legs are 6. Use the Pythagorean theorem:

$h^2=6^2+6^2\\\\h^2=36+36\\\\h^2=36\cdot2\to h=\sqrt{36\cdot2}\\\\h=\sqrt{36}\cdot\sqrt2\\\\h=6\sqrt2$

In general, the formula for calculating the hypotenuse in an isosceles right triangle is $h=a\sqrt2$

a - a leg, h - a hypotenuse

7 0

3 years ago

Apply the communitive property to 13x7x21 to rearrange the terms and still get the same solution

Snezhnost [94]

The commutative porperty states that numbers can be swapped over , they can change their place in the equation and the result will still be the same.
In our case 13 x 7 x 21, the commutative property means that the numbers can be rearranged
13x7x21=13x21x7=7x21x13=7x13x21

5 0

3 years ago

The grocery store is mile from Katie’s house and the gas station is 0.5 mile from Katie’s house.

Effectus [21]

Answer:

the answer would be a

Step-by-step explanation

you would have to travel a shorter distance to get from katies house to the gasstation.

8 0

3 years ago

Given the triangle below, what is the length of the third side, rounded to the nearest whole number?

Leno4ka [110]