All categories

3 years ago

-5|x+1|=10 solve for x

Mathematics

2 answers:

katrin [286]3 years ago

7 0

Answer:

x=-3

Step-by-step explanation:

TiliK225 [7]3 years ago

4 0

divide both sides by 5 to get |x+1| = -2

this is impossible, since absolution value has to be a positive value

x = no solutions

You might be interested in

1) The world's smallest mammal is the bumblebee bat. The mean weight of 200 randomly selected bumblebee bats is 1.659 grams, wit

Lyrx [107]

Answer:

For values

99.9%==1.659±0.0614
99%==1.659±0.0481
90%==1.659±0.0366
80%=1.659±0.0239

Hence the Dr.Clifford Jones claim is wrong about the bats mean weight

Step-by-step explanation:

Given:

Mean=1.659 grams

Standard deviation: 0.264

No of samples=200

To find :

Confidence intervals at

1)99.9% 2)99% 3)95% 4)80% and

Whether the Dr. Clifford with 1.7 mean weight is less or not?

Solution:

We know interval estimation is given by ,

E=mean±Z value*{standard deviation/Sqrt(N)}

Now For Z value 99.9% =3.291

E=1.659±3.291{0.264/Sqrt(200)}

=1.659±0.0614

i.e.C.I.[1.6 to 1.72]

Now for Z value 99 % =2.576

E=1.659±2.576{0.264/Sqrt(200)}

=1.659±0.0481

i.e. C.I[1.61,1.71]

Now for Z value at 95% =1.96

E=1.659±1.96*(0.264/sqrt(200))

=1.659±0.0366

i.e. C.I.[1.62,1.7]

Now ofr Z value at 80% =1.28

E=1.659±1.28*(0.264/sqrt(20))

=1.659±0.0239

i.e. C.I.[1.64,1.68]

Using t distribution as ,

value for mean =1.7

raw i.p=1.659

Degree of freedom =N-1=200-1=199

Hence

t-score is similar to zscore

T-score =(Raw input -mean)/(standard deviation/Sqrt(n))

=(-1.7+1.659)/(0.264/Sqrt(200))

=-2.19721

Consider 1 tailed ,

p value =P(Z≤-2.19721)

=0.0143

i.e P value is 0.0143

Hence The result is not significant at p<0.01

3 0

4 years ago

Deandre will spend at most 32 on gifts. So far, he has spent 17 . What are the possible additional amounts he will spend?

amid [387]

Answer:

By itself: 32 < 17+c

Solved: 15 < c

If wanted it to be solved:

32 < 17 + c

-17 -17

15 < c

5 0

3 years ago

Which equations best describes the graph of a line that has a slope of - 1/2 and passes through the point (2,-3)? O y = 2x +4 O

spayn [35]

Answer:

The equation which best describes the graph of a line that has a slope of - 1/2 and passes through the point (2,-3) will be:

y = -1/2x - 2

Step-by-step explanation:

The slope-intercept form of the line equation

$y = mx+b$

where

m is the slope

b is the y-intercept

In our case, we are given

The slope m = -1/2

Point (2, -3)

now substituting m = -1/2 and (2, -3) in the slope-intercept form of the line equation to determine the y-intercept

$y = mx+b$

-3 = -1/2(2) + b

-3 = -1 + b

b = -3 + 1

b = -2

now substituting m = -1/2 and b = -2 in the slope-intercept form of the line equation

y = mx + b

y = -1/2x + (-2)

y = -1/2x - 2

Therefore, the equation which best describes the graph of a line that has a slope of - 1/2 and passes through the point (2,-3) will be:

y = -1/2x - 2

4 0

3 years ago

Please help me! I will give Brainlylist

Zinaida [17]

Answer:

I would say that they are different because if x - a has a value to the equation then that means a - x will not have the same value because it may be rearranged to a different equation but that doesn't mean that they will have the same value. that explain why x - a and a - x are not the same

7 0

3 years ago

Find the surface area of a cone with diameter 4 ft and slant height 5 ft. Use 3.14 for pi.

kati45 [8]

Answer:

43.96

Step-by-step explanation:

I used the formula SA= 3.14(2)5+3.15(5^2)

6 0

3 years ago