3 years ago

By inspection, state whether the following system has one, none, or infinitely many solutions.

Mathematics

2 answers:

kompoz [17]3 years ago

8 0

The answer is one solution !

AysviL [449]3 years ago

4 0

Answer:

One solution

Step-by-step explanation:

By inspection, you can see that adding either 3x or 4x to y yields the same result of 7, meaning that x must be 0. If x is 0, y must be 7, meaning that this equation has only one solution. Hope this helps!

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The angles of a triangle are 99º, 3xº, and x + 5º.

Ket [755]

X= 19degress
180-99 =81
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3 years ago

Describe at least two differences between constructing parallel lines and

Marrrta [24]

Parallel lines never intersect purpendicular lines intersect at a single point forming a 90 degree angle

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2 years ago

Guided Practice

frez [133]

Answer:

A. 15, 20, and 25

Step-by-step explanation:

Note that 3-4-5 is a pythagorean triple via following:

$\sqrt{ (3^2 + 4^2 )} = 5^2$

Dividing 15, 20, and 25 by 5 nets you the pythagorean triple 3-4-5.

7 0

3 years ago

Read 2 more answers

-7 2/3 +(-5 1/2) +8 3/4=

Svetlanka [38]

Simplify the expression.

Exact Form :

- 53/12

Decimal Form :

- 4.416

Mixed Number Form :

- 4 5/12

Hope this helps !

Have a great day! :)

8 0

3 years ago

Read 2 more answers

What is 54/12 in a mixed number?

____ [38]

12 can go into 54 only 4 times because 4•12 is 48. Now 56-48=6 so this is the remainder 6/12 wish can be simplified to 1/2 so your answer is 4 1/2 or 4.5. Hope this helps <333

8 0

3 years ago