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Mathematics

1 answer:

Mazyrski [523]2 years ago

5 0

Answer:

Well for Part A-

List the temperatures from least to greatest; anything under 0 degrees is the lowest.

-6.1

-2.5

-0.4

3.4

And for Part B-

You can use a number line to order the temperatures because it's a good way to sort which ones are the lowest and highest easily.

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What is the volume of this triangular Pyramid photo attached

storchak [24]

To find the volume of a triangular pyramid, the formula is:

$V=\frac{1}{3}(Area\text{ }of\text{ }thebase)(height)$

So we start by finding the area of the base, which is in the shape of a right triangle in this case.

The area of a right triangle is equal to 1/2 x base x height.

$\begin{gathered} A=\frac{1}{2}bh \\ \\ A=\frac{1}{2}(5)(6) \\ \\ A=15\text{ square feet} \end{gathered}$

We use this area to find the volume.

$\begin{gathered} V=\frac{1}{3}Ah \\ \\ V=\frac{1}{3}(15)(6) \\ \\ V=30\text{ cubic feet} \end{gathered}$

The volume of the triangular pyramid is 30 cubic feet.

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1 year ago

Elimination

SVETLANKA909090 [29]

2x - 4y + 1z = 11 ⇒ 2x - 4y + 1z = 11
1x + 2y + 3z = 9 ⇒ 1x + 2y + 3z = 9
3x + 5z = 12 1x - 2y - 2z = 2
 1x - 2y - 2z = 2
2x - 4y + 1z = 11 -2x + 2y - 2z = -3
1x + 2y + 3z = 9 ⇒ 1x + 2y + 3z = 9 x - 4z = 1
3x + 5z = 12 ⇒ 3x + 5z = 12 x - 4z + 4z = 1 + 4z
 -2x + 2y - 2z = -3 x = 1 + 4z
 1 + 4z - 2y - 2z = 2
 1 - 2y + 4z - 2z = 2
 1 - 2y + 2z = 2
 - 1 - 1
 -2y + 2z = 1
 -2y + 2z - 2z = 1 - 2z
 -2y = 1 - 2z
 -2 -2
 y = -0.5 + z
 x + 2(-0.5 + z) - 2z = 2
 x - 1 + z - 2z + 2 = 2
 x - 1 + z = 2
 + 1 + 1
 x + z = 3
 x - x + z = 3 - x
 z = 3 - x

4 0

3 years ago

Answer pls 3278+32+3213+89321+31398

goldenfox [79]

Answer:

oop

Step-by-step explanation:

127247

sorry if wrong I kept getting notifications

3 0

2 years ago

Read 2 more answers