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1 year ago

Help me please. lesson 9.3 converse if the pythagorean theorem

Mathematics

1 answer:

mojhsa [17]1 year ago

5 0

Answer:

acute

Step-by-step explanation:

Here are some helpful rules that will help you out in the future with these questions.

If...

a^2 + b^2 = c^2 its a right triangle

a^2 + b^2 < c^2 its obtuse

a^2 + b^2 > c^2 its acute

so...

Since 6+8>10

its acute

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Zx and Zy are supplementary angles. Zy measures 139º. What is the measure of Zx?

Scorpion4ik [409]

Answer:

Step-by-step explanation:

supplementary angle is 180

therfore to fin

d the answer =

180-139=41

6 0

2 years ago

The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.

Zepler [3.9K]

Answer:

option-C

Step-by-step explanation:

We are given row-echelon form

So, we can write equation from matrix as

$x-5z=-3$

$y-4z=-5$

Let's assume

$z=t$

now, we can find x and y

$x-5t=-3$

$x=5t-3$

$y-4t=-5$

$y=4t-5$

so, we get solutions as

$x=5t-3$

$y=4t-5$

$z=t$

where t can be any real numbers

6 0

3 years ago

Read 2 more answers

This question has two parts. Be sure to answer both parts of the question. One inequality in a system is shown below. -12x + 3y

fgiga [73]

The inequality is -12x + 3y > 9.

PART A:

The sytem has no solution if inequality does not share a common area. The inequality -12x + 3y > 9 consist the region to left of line -12x + 3y = 9. So for no solution the region to left of equation -12x + 3y = 9 is suitable.

Thus inequality for no solution is, -12x + 3y < 9.

PART B:

For infinite solution the region of both inequality must overlap each other, or the inequality is same with some multiplication of divison factor. So inequality for infinite many solutions is,

$\begin{gathered} (-12x+3y>9)\times-1 \\ 12x-3y$

Thus inequality for infinite many solution is 12x - 3y < -9.

7 0

1 year ago

6. Protein bars come in a 4-pack box or 12-pack

cricket20 [7]

Answer:

The 12 pack has a better value.

Step-by-step explanation:

1. create a ratio table.

you want to know how much the 4 pack would cost if it was a 12 pack.

you can see the ratio table in the picture above.

As you can see, when the 4 pack equals $7.68, making it a 12 pack will equal $23.04.

Then, compare 23.04 to 22.32.

In conclusion, the 12 pack has a better value.

5 0

3 years ago

A copying machine reduces a 12 cm line to 10.5 cm

Dmitrij [34]

Answer:

14cm

Step-by-step explanation:

10.5 is 87.5% of 12, and 87.5% x 16 = 14

you can find the percentage by using 10.5/12 and x/100 to find x

10.5 * 100 = 1050

1050/12=87.5

7 0

3 years ago

Read 2 more answers