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frez [133]
3 years ago
7

I don’t even know what i’m doing anymore. aren’t there supposed to be two answers??

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

a>4

Step-by-step explanation:

-7a-11<1-4a

ADD 4a to both sides

-3a-11 <1

Add 11 to both sides

-3a <12

Divide both sides by 3

-a <4

Multiply by -1 both sides and FLIP SIGN

a>4

So  a should be 5 ,6,7,8.........

On the number line you need to count from zero  4 units to the right (positive 4) Once you are in number 4 draw an open circle which means the 4 is NOT included) Draw a line from 4 to the right because it is bigger than 4.

Interval notation is (4,∞)

[ ] a square bracket when we want to include the number 4

( ) a round bracket when we don't want to include the number 4

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Please help me out . :)
Veseljchak [2.6K]

Answer:

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5 0
3 years ago
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Find the slope of the line that contains the points named.
8090 [49]

Answer:

M= 0

Step-by-step explanation:

the ys are the same

6 0
3 years ago
A study of the effects of color on easing anxiety compared anxiety test scores of participants who completed the test printed on
NikAS [45]

Answer:

Step-by-step explanation:

To solve this, we would follow these simple steps. We have

unvrs :

The arithmetic mean, x-bar for the yellow paper group (Y) = 20.6

The arithmetic mean, x-bar for the green paper group (G) = 21.75

Recall that, H0: µY = µG

And from the data we have, we can see that

H0: µY< µG

We proceed to say that the

T-Test-statistic = -0.404

Also, the p-value: 0.349

From our calculations, we can see that the p-value > 0.05, and as such, we conclude that we will not reject H0. This is because there is not enough evidence to show that test that is printed on the yellow paper decreases anxiety at a 0.05 significance level.

6 0
3 years ago
3) Find the length of a rectangular lot with a perimeter of 92 m if the length is 8 m more than
Nikolay [14]

Answer:

26 m

Step-by-step explanation:

Perimeter = 92 m

Length = 8 m more than width

Width: 20 m

Therefore,

<h2>length=26 m</h2>
4 0
4 years ago
What number is 25 percent of 84?
raketka [301]

Answer: 21

Step-by-step explanation:25%=1/4

1/4*84 =84/4

84/4=21

3 0
3 years ago
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