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3 years ago

25 POINTS PLEASE HELPPP TYYY !!

Mathematics

2 answers:

Anni [7]3 years ago

5 0

The answer is -1/4 I think

umka2103 [35]3 years ago

3 0

C= -1/4 hope it helps :D

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Can someone please help me !!!

andreyandreev [35.5K]

1) false
2) t is the independant variable, C is the dependant variable
3) true

7 0

3 years ago

The student government-collected data on club membership by grade level. Data on club membership are summarized in the table sho

Musya8 [376]

Answer:

d.yes because P(Grade 12/PClub Membership) = P(Grade 12)

Step-by-step explanation:

8 0

4 years ago

16:14:34

azamat

Answer:

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = 3 and (a, b) = (2, - $\frac{1}{2}$ ) , thus

y - (- $\frac{1}{2}$ ) = 3(x - 2) , that is

y + $\frac{1}{2}$ = 3(x - 2) → C

5 0

3 years ago

Read 2 more answers

Find the quotient of 21x^2y^6+6xy^3-30xy/3xy.

kaheart [24]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------$

$\bf \cfrac{21x^2y^6+6xy^3-30xy}{3xy}\implies \stackrel{\textit{distributing the denominator}}{\cfrac{21x^2y^6}{3xy}+\cfrac{6xy^3}{3xy}-\cfrac{30xy}{3xy}}
\\\\\\
\cfrac{21}{3}\cdot x^2x^{-1}y^6y^{-1}+\cfrac{6}{3}\cdot x^1x^{-1}y^3y^{-1}-\cfrac{30}{3}\cdot x^1x^{-1}y^1y^{-1}
\\\\\\
7x^{2-1}y^{6-1}+2x^{1-1}y^{3-1}-10x^{1-1}y^{1-1}\implies 7xy^5+2y^2-10$

3 0

3 years ago

Read 2 more answers

Two random samples of 40 students were drawn independently from two populations of students. Assume their aptitude tests are nor

dybincka [34]

Answer:

b. Do not reject the null hypothesis

Step-by-step explanation:

Given that two random samples of 40 students were drawn independently from two populations of students. Assuming equal variances

we have the following data.

Sample 1

Mean:

Standard deviation:

Sample size:

Sample 2

Mean:

Standard deviation:

Sample size:

$H_0: \bar x_1=\bar x_2\\H_a: \bar x_1\neq \bar x_2$

Difference -3.000

Standard error 1.681

95% CI -6.3462 to 0.3462

t-statistic -1.785

DF 78

Significance level P = 0.0782

Since p value >0.05,

b. Do not reject the null hypothesis

7 0

4 years ago