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2 years ago

Find the volume of the triangular pyramid.

Mathematics

1 answer:

Illusion [34]2 years ago

6 0

Answer:

im pretty sure its d

Step-by-step explanation:

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exis [7]

Answer:

I think it is 1, but I am not 100%

Step-by-step explanation:

Since he stopped the meds at the same time he stopped what couldve been his cousin his reaction to begin with, you can prove if it was medication only.

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2 years ago

Can someone help with number 8 please

HACTEHA [7]

Answer: Answer is -6 :-DD

Step-by-step explanation:

4 0

3 years ago

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Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq

azamat

Answer:

The perimeter of rectangle is $18\ cm$

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

$x=y+5$ ----> equation A

$120=xy+2x^{2}+2y^{2}$ ---> equation B (area of the constructed figure)

substitute the equation A in equation B

$120=(y+5)y+2(y+5)^{2}+2y^{2}$

$120=(y+5)y+2(y+5)^{2}+2y^{2}\\ 120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0$

using a graphing calculator -----> solve the quadratic equation

The solution is

$y=2\ cm$

Find the value of x

$x=y+5 ----> x=2+5=7\ cm$

Find the perimeter of rectangle

$P=2(x+y)=2(7+2)=18\ cm$

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2 years ago

Skylar needs to buy a pair of dress pants for $40, a shirt for $30, and a tie for $20. Skylar has three coupons. The first coupo

IgorC [24]

Dress pants for $ 40, a shirt for $ 30, a tie for $ 20
he uses the dress pants coupon....which is the second coupon which gives him y percent off the dress pants

so ur answer is : (1 - y) * 40

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3 years ago

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Please help!!

Len [333]

You divide the 52 and 15 and u get it 3.6

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2 years ago