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3 years ago

The base of a parallelogram is x+4 and the area is 5x+20 what is the height?

Mathematics

1 answer:

kari74 [83]3 years ago

5 0

I hope this helps you

Area=base.height

5x+20=(x+4).height

5. (x+4)=(x+4).height

height=5

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Which point is a reflection of M(-5, -6) across the y-axis?

Fantom [35]

Answer:

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Step-by-step explanation:

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p(x, y)->p'(-x, y)

therefore:

M(-5, -6)->R(5, -6)

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3 years ago

What constitutes a function

Mars2501 [29]

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3 years ago

Priya drew a circle whose area is 25 cm. Dan drew a circle whose diameter is 4 times the radius of Priya's circle. How many time

Vitek1552 [10]

Answer:

400

Step-by-step explanation:

first work out the radius of priya's circle with the equation a = $\pi r^{2}$

$25 = \pi r^{2}$

$\frac{25}{\pi } = r^{2}$

$r = \sqrt{\frac{25}{\pi } }$

we know the diameter of a circle is 2 times the radius so the diameter of priya's circle is 2x $\sqrt{\frac{25}{\pi } }$

this means that if the diameter of dan's circle is 4 times bigger it must be

8x $\sqrt{\frac{25}{\pi } }$

to find the radius of dan's circle we divide the diameter by to 2 to give

4x $\sqrt{\frac{25}{\pi } }$

then use the a= $\pi r^{2}$ equation again

$a= (4 \sqrt{\frac{25}{\pi } })^{2} \pi$

which equals 400

hope that helped

6 0

3 years ago

5x + 2y = 20, when x = 0.3

crimeas [40]

Y = 9.25 just multiply 5 by .3 and add the 2 and subract that to find y

4 0

3 years ago

Read 2 more answers

SOMEONE PLEASE HELP ME!!! I REALLY NEED SOME HELP!!!

Lostsunrise [7]

Answer:

A. (1, -2)

Step-by-step explanation:

We can substitute the variables of x and y into the inequality of $y < -|x|$ .

Let's start with A, -2 being y and 1 being x.

$-2 < - |1|$

The absolute value of 1 is 1, and negating that gets us -1.

$-2 < -1$

Indeed, -2 is less than -1! So A is a solution to the inequality.

Let's test the rest of them, just in case.

For B:

$-1 < -|1|$

Absolute value of 1 is 1, negating it is -1.

$-1$

-1 is EQUAL to -1, not less than it, so is not a solution to the inequality.

Let's try C.

$0 < -|1|$

Absolute value of 1 is 1, negating it is -1.

$0 < -1$

0 is GREATER than -1, so that is not a solution to the inequality.

Hope this helped!

4 0

3 years ago