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3 years ago

Indicate the equation of the given line in standard form.

Mathematics

1 answer:

s2008m [1.1K]3 years ago

6 0

The line through (a,b) with slope m is

y-b = m(x-a)

Here that's

y + 1 = (3/4) (x - 2)

Let's multiply by 4 to clear the fractions and distribute the constants,

4y + 4 = 3x - 6

Rearranging into standard form,

3x - 4y = 10

Check. The slope is 3/4, good. 3(2) - 4(-1) = 6+4 = 10 good

Answer: 3x - 4y = 10

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Write 75% as a decimal

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Answer:

0.75

Step-by-step explanation:

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4 years ago

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I need answer ASAP If f(x) = 2x+1 and g(x) = 3x-2 Find f[g(1)] =

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Answer:

f[g(1)] = 3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
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Left to Right

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Step-by-step explanation:

Step 1: Define

f(x) = 2x + 1

g(x) = 3x - 2

Step 2: Find g(1)

Substitute in x: g(1) = 3(1) - 2
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Subtract: g(1) = 1

Step 3: Find f[g(1)]

Substitute in g(1): f[g(1)] = 2(1) + 1
Multiply: f[g(1)] = 2 + 1
Add: f[g(1)] = 3

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3 years ago

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3 years ago

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Solve for x. 9x = 3x - 36 A x = -6 B x = – 4 C X=4 D x = 6

Lelu [443]

Answer:

x=-6

Step-by-step explanation:

9x-3x=-36

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We test for a hypothesized difference between two population means: H0: μ1 = μ2. The population standard deviations are unknown

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Answer:

The degrees of freedom associated with the critical value is 25.

Step-by-step explanation:

The number of values in the final calculation of a statistic that are free to vary is referred to as the degrees of freedom. That is, it is the number of independent ways by which a dynamic system can move, without disrupting any constraint imposed on it.

The degrees of freedom for the t-distribution is obtained by substituting the values of n1 and n2 in the degrees of freedom formula.

Degrees of freedom, df = n1+n2−2

= 15+12−2=27−2=25

Therefore, the degrees of freedom associated with the critical value is 25.

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3 years ago