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3 years ago

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What is the solution to the equation

xFormula1" title=" - \sqrt{x + 10} = 7" alt=" - \sqrt{x + 10} = 7" align="absmiddle" class="latex-formula">

1 answer:

pentagon [3]3 years ago

5 0

The solution of your problem is shown on the picture below.

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Please simplify this fraction c:

Liula [17]

F you just want to see the really short way, just skip down to AAAAAAAAAAAA

so, here is the long explanation
exponential properties
$x^{-m}= \frac{1}{x^m}$

don't forget pemdas
2x^2=2(x^2)

so
$\frac{2x^{-4}}{3xy}$ = $\frac{2 \frac{1}{x^4} }{3xy}= \frac{2}{3x^5y}$

AAAAAAAAAAAAAAAAAAAAAAAA
so we see
the original equatio is
$\frac{2x^{-4}}{3xy}$

remember
$\frac{ab}{cd} =( \frac{a}{c})( \frac{b}{d})$

so we can seperate the constants
$\frac{ab}{cd} =( \frac{2}{3})( \frac{x^{-4}}{xy})$

we know that the placeholders cannot affet the position of the constants unless they are grouped together which they are not

terfor the answer must have 2/3 in it

the only one that hsa that is A

ANSWER IS A

3 0

3 years ago

Read 2 more answers

(5x2 + 4x + 3) - (2x2 - 2x + 5)

Setler [38]

Answer:

3x^2+6x-2

Step-by-step explanation:

(5x2 + 4x + 3) - (2x2 - 2x + 5)

5x^2+4x+3-2x^2+2x-5

3x^2+6x-2

7 0

3 years ago

In a rectangle, the ratio of the width to the length is 4:5. If the rectangle is 40

Marina CMI [18]

Answer:

50 cm

Step-by-step explanation:

4/5 = 40/x

cross multiply

4x=200

x=50

4 0

3 years ago

Read 2 more answers

20 POINTS 20 POINTS. Will give Brainliest.

Simora [160]

Answer:

using y=mx+c

C=7

y=8

x= -4

we're looking for m

8=-4m +7

1= -4m

m= -1/4

8 0

3 years ago

Read 2 more answers

Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and

Leni [432]

Answer:

No, the Roger’s claim is not correct.

Step-by-step explanation:

We are given that Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and the median.

This statement by Roger is incorrect because the median is unaffected by the outlier value and only the mean value gets affected by the outlier value.

As the median represents the middlemost value of our dataset, so any value which is an outlier will be either at the start or at the end will not the median value. So, the median will not likely change when an outlier is added to a small data set.

Now, the mean is the average of all the data set values, that is the sum of all the observations divided by the number of observations. The mean will get affected by the outlier value because it take into account each and every value of the data set.

Hence, the mean will likely to change greatly when an outlier is added to a small data set.

7 0

3 years ago