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masha68 [24]
2 years ago
13

Giải hệ phương trình

Mathematics
2 answers:
Maru [420]2 years ago
6 0
Answer:

please insert your question...

support me by marking as brainliest!! :)
zimovet [89]2 years ago
5 0

Answer:

Muhammad Hussain

Step-by-step explanation:

03090490925

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For breakfast, Mrs. Ryan bought a cup of coffee for $2.18 and a pastry for $1.65. How much change will she get back from $5.00?
Tom [10]

Answer:

1.17

Step-by-step explanation:

5-(2.18+1.65)

5 0
2 years ago
How many solutions are there to the equation below?
Anton [14]

Answer:

B. Infinitely Many

Step-by-step explanation:

Step 1: Distribute

5x + 48 + 7x = 12x + 48

Step 2: Combine like terms

12x + 148 = 12x + 48

If the 2 lines are the same, which they are, they are the same lines. That means there are an infinite amount of solutions. If they had the same slope but different y-intercepts, there would be no solutions because the lines are parallel. Any other pair of equations would have 1 solution.

8 0
3 years ago
Read 2 more answers
If x^2=y^2+z^2<br><br> what does x equal?
Zepler [3.9K]

Answer:

\displaystyle x = \sqrt{y^2 + z^2}

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Property

<u>Algebra i</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle x^2 = y^2 + z^2

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Equality Property] Square root both sides:                                                    \displaystyle x = \sqrt{y^2 + z^2}
3 0
3 years ago
For which pairs of functions is (fog)(x)=12x?
KengaRu [80]
Last one
<span>f(x) = 4x and g(x) = 3x
</span><span> (fog)(x)
</span>you need take value of g(x), 3x, and put 3x instead of x in f(x) function
(fog)(x)=4*(3x)=12x
6 0
3 years ago
Read 2 more answers
An airplane flies at a speed of 474 miles per hour. How many miles does the plane fly on 5 hours?
QveST [7]

Greetings!

Answer:

2370 miles can be travelled

Step-by-step explanation:

If 474 miles can be travelled in 1 hour, this means that to find the total amount in 5 hours we can simply multiply this value by 474:

474 * 5 = 2370

So it can travel 2370 miles!


<h2>Hope this helps!</h2>
7 0
3 years ago
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