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4 years ago

HELP

Mathematics

2 answers:

pentagon [3]4 years ago

5 0

Answer:

First graph

Step-by-step explanation:

First off, the graph opens up because a is positive. Second, the parent function of the quadratic graph is $\displaystyle y = x^2,$ and the greater the WHOLE NUMBERS [vertical stretch (a)] get, the slimmer the parabola gets, and the more you increase the DEGREE evenly [anything ending in 0, 2, 4, 6, and\or 8], the more flat, U-shaped the parabola becomes.

I am joyous to assist you anytime.

Maru [420]4 years ago

4 0

Answer:

The first graph is the correct one.

Step-by-step explanation:

y = 2x^8

The degree of x is even (=8) so the equation is an even function and will be symmetrical about the y-axis. So this rules out the second graph.

The coefficient (2) of x^8 is positive so all values y values will be positive.

Therefore it is the first graph.

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In a study to determine the relationship between self esteem and eating, subjects had been randomly divided into two groups. One

Musya8 [376]

ANSWER:

The correct answer is

-This study is blind.

-This study is an experimental study.

STEP-BY-STEP EXPLANATION:

This study includes a controlled treatment (in this manner it is an investigation) and subjects didn't have a clue about the idea of the treatment so it is visually impaired.

7 0

3 years ago

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Zina [86]

Answer: The area of Figure ABCDE is 79.5 square units.

Step-by-step explanation:

Triangle ABC is the top triangle of Figure ABCDE.

Triangle ACD is the triangle on the right of Figure ABCDE.

Triangle AED is the triangle on the bottom left of Figure ABCDE.

So, we need to add 23.85, 29.4, and 26.25 to get the area of Figure ABCDE!

23.85 + 29.4 + 26.25 = 79.5

4 0

3 years ago

Triangle X W Y is shown. The length of side X W is 5. The length of side W Y is 11. The length of Y X is 7. What is the order of

Mars2501 [29]

Answer:

Step-by-step explanation:

The angle opposite to longest side is the largest angle.

WY is the longest side. ∠x is the greatest

Arrange sides from largest to smallest

WY > YX > XW

∠X > ∠W > ∠Y

3 0

3 years ago

Using the quadratic formula to solve 7x2 -x = 7, what are the values of x?

Sunny_sXe [5.5K]

Answer:

x=-7

Step-by-step explanation:

7x2-x=7

7x2=14.

14-x=7

When you finished the last step, you will subtract 14 to both sides.

14-x=7

14-14-x=7-14

this will cancel out the 14 on the left.

And will leave you with:

-x=7-14

7-14 is -7.

and this will get you to

-x=-7

To finish this off, you have to turn the negative x/variable, into a positive x/variable.

So, you will divide both sides of the equation by the same term.

-x = -7

into

$\frac{-x}{1} =\frac{-7}{1}$

and it will be -7.

I hope this helps :)

8 0

3 years ago

For this problem what I did was add all the measurements and I got 48 m. However, it is wrong. How do I go about solving the per

erma4kov [3.2K]

9514 1404 393

Answer:

66 m

Step-by-step explanation:

The perimeter is the sum of the measures of all of the sides. There are two side measures that are missing from the diagram.

The missing horizontal measure is ...

17 m - 8 m = 9 m

The missing vertical measure is ...

16m -7 m = 9 m.

If you add these to the sum you already calculated, you will get the correct answer:

48 m + 9 m + 9 m = 66 m . . . perimeter of the figure

_____

If you're paying attention, you see that the sum of the measures of the two shorter horizontal segments is the same as the measure of the longer horizontal segment. Likewise, the sum of the measurements of the two shorter vertical segments is the same as that of the longer vertical segment.

In other words, the perimeter of this (and any) L-shaped figure is the same as the perimeter of a rectangle having the same horizontal and vertical dimensions as the long sides of the figure.

P = 2(17 m +16 m) = 2(33 m) = 66 m

8 0

3 years ago