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Bezzdna [24]
3 years ago
7

Solve using elimination. 8x + y = -6 5x – y = -20 do i eliminate the Y's first?

Mathematics
2 answers:
trapecia [35]3 years ago
4 0
I think you eliminate the x's first because that's the only way you can solve
Usimov [2.4K]3 years ago
4 0
Yes, because since y plus -y would equal 0, the y's would cancel out
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**help pls, due soon!**
Korvikt [17]

Answer:c

Step-by-step explanation:

its 8 less which would be -8 and then you have to divide p by 2 because its half so it would be p/2-8

4 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!!!
Andrej [43]

v=u+at
4=u+1a
2=u+2a
then, subtract
2=-a
a=-2
4=u-2
u=6
v=6-2t
or y=6-2x
or y=-2x+6
does this help?✌
7 0
4 years ago
PLEASE HELP!!! It would be greatly appreciated
Brilliant_brown [7]
A^2 + b^2 = c^2 then add the bottom bits to get x=10
4 0
3 years ago
Identify the null and alternative hypotheses, test statistic, critical value(s) or P-value (or range of P-values) as appropriate
Kobotan [32]

Answer:

Step-by-step explanation:

Given that  A cereal company claims that the mean weight of the cereal in its packets is 14 oz

Test the claim at the 0.01 significance level.H0: μ = 14 oz. H1: μ 14 oz.

Parameter  Value

Mean  14.050

SD  0.346

SEM  0.122

N  8      

90% CI  13.818 to 14.282

95% CI  13.760 to 14.340

99% CI  13.621 to 14.479

Minimum  13.6

Median  14.05

Maximum  14.6

Test statistic: t = 0.408

Critical values: t = ±3.499.

Since test statistic falls within the critical values, we accept the null hypothesis at 1% significance.

Fail to reject H0. There is not sufficient evidence to warrant rejection of the claim that the mean weight is 14 ounces.

Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2, Use the given sample sizes and numbers of successes to find the pooled estimate p. n1 = 100 n2 = 100 x1 = 33 x2 = 36

proportion difference = 0.03

6 0
4 years ago
Elimination method <br><br>3x + -3 =6<br>3x + 2y = 16​
zheka24 [161]

Answer:

(4,2)

Step-by-step explanation:

hope this answerss

3 0
3 years ago
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