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loris [4]
3 years ago
13

How do you solve this equation -5=u+6

Mathematics
2 answers:
Naily [24]3 years ago
8 0

Answer:

Step-by-step explanation:

u+6 = - 5               Subtract 6

u + 6 - 6 = - 5 - 6

u = - 11

Try thinking this as money. If you are 5 dollars in the hole and you borrow another 6 dollars, where are you?

The answer is that unless you pay your debt of 5 dollars, you are - 11 dollars in the hole.

natulia [17]3 years ago
5 0
U equals -11 hope this helps! :)
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Is 0.333 a natural number?
NeX [460]

Answer:

No, 0.333 is a rational number, not a natural number

Step-by-step explanation:

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The graph shows y = cot(x). Which of the following are true of its inverse? Check all that apply.
uranmaximum [27]

Answer:

Zeroes: None

Domain: All real numbers

Maximum: None

Step-by-step explanation:

EDGE PRECAL 2020

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Please help its very desperate and if i could get someone to help me on this whole assignment it would be awesome
Serhud [2]

Answer:

-13/20

Step-by-step explanation:

-0.65=-65/100

=13/20

5 0
2 years ago
Which expression is equivalent to this polynomial?<br> (4x + 3)(3x - 8)
abruzzese [7]

Answer:

I resolve the expression

(4x+3) (3x-8)=12x2-32x+9x-24

12x2-23x-24

the polynomial (4x+3) (3x-8) is equivalent a the expression 12x2-23x-24

7 0
3 years ago
Pschological tests are often used to determine the hostility levels in people. High scores on the HLT pschological test correspo
algol13

Answer:  the correct answer is we are 95% confident that there is no statistically significant difference in the mean treatment  methods for hostility.  

Step-by-step explanation:

1)  Test for the equality of variances in the two groups to choose the appropriate t-test.  

H0: σ (1)^2 = σ (2)^2  

Ha: σ (1)^2 ≠ σ (2)^2  

Larger variance = 64  

Smaller variance = 49  

F = 1.30612  

Degrees of freedom 15 and 9  

Critical F from the table (with alpha=0.05) = 2.58  

Calculated F is smaller than critical F, so we use the pooled variance t-test.  

Sample 1 size 7  

Sample 2 size 8  

Sample 1 mean 79  

Sample 2 mean 84  

Sample 1 S.D. 7  

Sample 2 S.D. 8  

Pooled S.D = [(n1-1)s1^2+(n2-1)s2^2]/(n1+n2-2)

Pooled variance s = [(6)(49)+(7)(64))] / (13) =  (294+448)/13=742/13=57.076923

Pooled variance s^2 = 57.076923  

Standard error of difference in means = sqrt(1/n1+1/n2) times sqrt(s^2)  

Standard error of difference in means = (0.517549)(7.554927) = 3.910046 (denominator of t)  

Confidence interval = (mean1-mean2) +/- t SE  

t is the critical t with 24 degrees of freedom = 2.056  

(79 - 84) +/- (2.056) (3.910046)  

= (-13.04, 3.04)  

Interval encloses 0  

We are 95% confident that there is no statistically significant difference in the mean treatment  methods for hostility.  

4 0
3 years ago
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