3 years ago

Y y=- 4x. Urhxjdbdjdbdud

Mathematics

1 answer:

mario62 [17]3 years ago

4 0

What are we suppose to evaluate

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Write a multiplication sentence that shows the zero property of multiplication. Explain why it shows this property.

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Okay so the zero property of multiplication is anything times zero equals zero, so just use a number, multiply it times zero, and show what it equals (which is zero) explain that it shows the property because the variable is multiplied times zero.

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3 years ago

A dolphin is swimming 10 feet below the surface.it descends another 12 feet before rising 4 feet. How far below the surface is i

Katyanochek1 [597]

10 ft +12 ft =22ft so it 22 ft.
22ft-4ft is 18ft.
18 ft is the answer

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3 years ago

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Plz I need some help with 11-12 . My teacher didn’t even explain it correctly so now I’m confused.

rusak2 [61]

Answer:

Step 1: Transpose everything to one side

12. x²+16x+15-10x+4=0

Step 2: Add the like terms

x² + (16x - 10x) + 15 + 4=0

x² + 6x + 19=0

Step 3: Use the quadratic formula to get the value(s) of x.

a=1 b=6 c=19

$x = \frac{ - b + - \sqrt{b {}^{2} - 4ac } {}^{} }{2a}$

therefore, x=... or x

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3 years ago

What is the axis of symmetry for f(x) = -3x2 + 18 - 7

solong [7]

The vertex form:

$y=a(x-h)^2+k\\\\(h,\ k)-vertex$

The axis of symetry is x = h.

$y=ax^2+bx+c\to h=\dfrac{-b}{2a}$

We have

$f(x)=-3x^2+18x-7\to a=-3,\ b=18,\ c=-7$

Substitute:

$h=\dfrac{-18}{(2)(-3)}=\dfrac{-18}{-6}=3$

<h3>Answer: x = 3</h3>

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3 years ago

GIVE CORRECT ANS FOR BRAINLIEST

gizmo_the_mogwai [7]

<h3>Solution:</h3>

$2 \frac{5}{6} - 2 \frac{1}{2} \\ = \frac{17}{6} - \frac{5}{2} \\ = \frac{17 - 15}{6} \\ = \frac{2}{6} \\ = \frac{1}{2}$

<h3>Answer:</h3>

$\frac{1}{2}$

Hope it helps.

Do comment if you have any query.

7 0

3 years ago

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