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expeople1 [14]
2 years ago
7

Find the sum: 6 + (-2)

Mathematics
1 answer:
Dovator [93]2 years ago
3 0

Answer:

4

Step-by-step explanation:

See you add negative 2, to 6 so if you add -2  to 6 you will get 4

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The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed
OlgaM077 [116]

Answer:

Test is Left tailed test

Parameter tested is standard deviation

Step-by-step explanation:

We are given the hypothesis as;

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Alternative hypothesis; H1: σ < 8.6

Where;σ is a constant generally known in statistics as the standard deviation.

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Alternative hypothesis says σ < 8.6.

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3 0
3 years ago
What is the vertex of f(x)=x^2+12x=31
Ket [755]

Answer:

x

=

±

√

5

−

6

Decimal Form:

x

=

−

3.76393202

…

,

−

8.23606797

…

Step-by-step explanation:

3 0
2 years ago
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