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77julia77 [94]
3 years ago
14

What is -9x - 5 - 8 + x in Simple form

Mathematics
1 answer:
Yanka [14]3 years ago
8 0

Answer:

-10 x-13

Step-by-step explanation:

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Help show work due asap​
Vera_Pavlovna [14]

Answer:

77 pictures

Step-by-step explanation:

You are trying to find 18% of 430.

18/100 = 9/50 * 430

756/10 = 75.6

77 is the closest choice out of all the other choices.

3 0
3 years ago
Which equation describes the line parallel
kifflom [539]

Answer:

c

Step-by-step explanation:

the both have the same gradient if 5/3, therefore they are parallel.

4 0
3 years ago
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Find two fractions equviivlent 6/7
aev [14]
12/14

18/21

if you multiply the numerator and denominator of a fraction by same number, you can get an equivalent fraction



good luck
6 0
3 years ago
Read 2 more answers
On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percenta
sashaice [31]

Answer:

Percentage of scores that fall between 70 and 80 = 24.34%

Step-by-step explanation:

We are given a test with a population mean of 75 and standard deviation equal to 16.

Let X = Percentage of scores

Since, X ~ N(\mu,\sigma^{2})

The z probability is given by;

           Z = \frac{X-\mu}{\sigma} ~ N(0,1)    where, \mu = 75  and  \sigma = 16

So, P(70 < X < 80) = P(X < 80) - P(X <= 70)

P(X < 80) = P( \frac{X-\mu}{\sigma} < \frac{80-75}{16} ) = P(Z < 0.31) = 0.62172

P(X <= 70) = P( \frac{X-\mu}{\sigma} < \frac{70-75}{16} ) = P(Z < -0.31) = 1 - P(Z <= 0.31)

                                              = 1 - 0.62172 = 0.37828

Therefore, P(70 < X < 80) = 0.62172 - 0.37828 = 0.24344 or 24.34%

6 0
3 years ago
Suppose the length of segment BE is 11 cm. Which is the BEST ESTIMATE for segment GH?
JulijaS [17]

Answer: C) 5.5 cm.

Step-by-step explanation:

From the given , it can be clearly seen that in triangle DBE , G and H are the midpoints of segment DB and DE respectively.

Also, GH is parallel to BE. [By Converse of Basic proportionality theorem]

Length of BE= 11 cm.

Further more,

\dfrac{DB}{DG}=\dfrac{BE}{GH}\\\\\Rightarrow\dfrac{2DG}{DG}=\dfrac{11}{GH}\ \ [{DG=GB,\therefore\ DB=2DG }]

\Rightarrow\ \dfrac{2}{1}=\dfrac{11}{GH}\Rightarrow\ GH=\dfrac{11}{2}=5.5\text{ cm}

Hence, the  BEST ESTIMATE for segment GH is 5.5 cm.

Note :

Converse of Basic Proportionality Theorem says that when a line (or a segment) divides any two sides of a triangle in equal proportion then the line ought to be parallel to the remaining third side.

7 0
3 years ago
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