2 years ago

The following is the correct way to show the product for 0.386 × 6.1: True False

Mathematics

2 answers:

Oliga [24]2 years ago

5 0

I think its false im sorry if im wrong .-.

lubasha [3.4K]2 years ago

5 0

The answer is True i think

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HELP!

maksim [4K]

Part A

$4x^2 -7x-15=0\\\\(4x+5)(x-3)=0\\\\x=-\frac{5}{4}, 3$

So, the x-intercepts are $\boxed{\left(-\frac{5}{4}, 0 \right), (3,0)}$

Part B

The vertex will be a minimum because the coefficient of $x^2$ is positive.

The x-coordinate of the vertex is $x=-\frac{-7}{2(4)}=\frac{7}{8}$

Substituting this back into the function, we get $f\left(\frac{7}{8} \right)=4\left(\frac{7}{8} \right)^2 -7\left(\frac{7}{8} \right)^2 -15=-\frac{289}{16}$

So, the coordinates of the vertex are $\boxed{\left(\frac{7}{8}, -\frac{289}{16} \right)}$

Part C

Plot the vertex and the x-intercepts and draw a parabola that passes through these three points.

The graph is shown in the attached image.

7 0

1 year ago

I need desperate help

Lady_Fox [76]

Answer:

Step-by-step explanation:

y equals 1. x equals 15. 15 over 15 is 1.

3 0

3 years ago

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Is 60% greater than 5 over 8 yes or no and why not

Scrat [10]

No 5/8=62.5% and that means 5/8 is greater that 60%

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2 years ago

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A random sample (Sample 1) of the Mercedes's average driving speed (km/h) is: 120, 142, 142, 165, 132, 130, 156, 136, 167, 139,

ziro4ka [17]

The median of Mercedes' speed is 144 km/h.

The median of Audi's speed is ~133,6 km/h.

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2 years ago

Sally started with $100 and is saving for a new Uggs. The first month she had $124, the next month $148, and by the third month

makvit [3.9K]

The 4th one (An=24+100)

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3 years ago