The eighth grade class at a grade school has 13 girls and 15 boys. How many different boy-girl dates can be arranged?

Mathematics

2 answers:

photoshop1234 [79]3 years ago

6 0

Answer:

195

Step-by-step explanation:

13*15=195 different combos

kifflom [539]3 years ago

4 0

105, hope this helps you

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-x+2y=6 and -x+8y=12 solve by elimination (help please)

Tcecarenko [31]

Answer:

Step-by-step explanation:

-x+2y=6

-x+8y=12

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-6y = -6 ( subtracting 2 equations)

y=1

x=-4

4 0

3 years ago

Which of the following represents a quadratic function?

Lubov Fominskaja [6]

Answer:

○ $y = 6 + 5x + x^2$

Explanation:

<h3>What is a quadratic equation?</h3>

A quadratic equation is an algebraic equation where the highest power of $x$ is 2. The general form of a quadratic equation is as follows:

$\boxed{ax^2 + bx + c = 0}$ ,

where a, b, and c represent known constants, and $x$ is the unknown.

In this question, if you take a look at the second option, you will see that it is possible to rearrange the equation to make it look the general form:

$y = 6 + 5x + x^2$

⇒ $y = x^2 + 5x + 6$

Therefore, this equation is quadratic.

The other three options are not quadratic equations because none of them have an $x^2$ term in them.

3 0

2 years ago

Read 2 more answers

What is the approximate value of log6 1944 if log6(9)is approximately 1.2263

il63 [147K]

$log_{6}(1944) = log_{6}(324 \times 6) \\ log_{6}(18 {}^{2} \times 6) = log_{6}((3 \times 6) {}^{2} \times 6) \\ log_{6}(3 {}^{2} \times 6 {}^{2} \times 6) \\ \\ log_{6}(9) + log_{6}(6 {}^{3} ) = 1.2263 + 3 \\ 4.2263$