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leva [86]
3 years ago
6

Select all the correct systems of equations. Which systems of equations have infinite solutions?

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0

Answer: Comment: From the explanations below,

2x + y = 10

-6x = 3y + 7 had an infinite solution, while y = 14 -2x

6x + 3y = 42 has a fictitious solution, so also equation

2x + y = 17

-6x = 3y - 51.

Step-by-step explanation:

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PLEASE HELP WITH MATH
lesantik [10]

Volume is length x width x height.

Calculate the volume of each rectangle and add them together.

7.5 x 7.5 x 3.55 = 199.6875

7.5 x 3.55 x 3.55 = 94.51875

Volume = 94.51875 + 199.6875 = 294.21 cubic meters

6 0
3 years ago
Read 2 more answers
Write the sum, and then write an equivalent expression by collecting like terms and removing parentheses whenever possible.
Yanka [14]

Answer:

The sum is t.

Step-by-step explanation:

Consider the provided information.

The given expression are - 10t and t - 10t

We need to find the sum of the opposite of -10 t and t - 10t.

The opposite of -10 t is 10 t.

10t+(t-10t)

Remove the parenthesis.

10t+t-10t

Simplify the number

10t-10t+t

Use Additive inverse.

t

Hence, the sum is t.

4 0
3 years ago
Find g(x), where g(x) is the reflection across the x-axis of f(x)=x.
Degger [83]
G(x)=-x+0. Any equation reflected across the x axis will have the opposite x value as the original function. Hope this helps!

(f(x) in red, g(x) in blue)

6 0
3 years ago
Read 2 more answers
A scale drawing for a backyard is shown below.
scZoUnD [109]

The area of real patio is 50m².

Step-by-step explanation:

Given,

Length of patio = 3 cm

Width of patio = 6 cm

According to scale =

3 cm = 5m

1 cm = \frac{5}{3}\ m

6 cm = \frac{5}{3}*6 = 10\ m

Real length of patio = 5 m

Real width of patio = 10 m

Area = Length*width

Area=5*10\\Area=50\ m^2

The area of real patio is 50m².

Keywords: area, multiplication

Learn more about areas at:

  • brainly.com/question/13086598
  • brainly.com/question/13087541

#LearnwithBrainly

3 0
3 years ago
I NEED THIS ASAP about the Pythagorean
Natalija [7]

Answer: 24.49 or 24.5 if rounded.

Step-by-step explanation: We have to use the pythagorean theorem of course...

a² + b² = c²

15² + 20² = c²

225 + 400 = c²

600 = c²

\sqrt{600}

c = 24.49 (If we round to the nearest tenth then the answer is 24.5)

8 0
3 years ago
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