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2 years ago

10

Y = -6x + 1 Gradient (m) = Y-intercept (c) =

2 answers:

bija089 [108]2 years ago

8 0

Answer:

m = -6

c = 1

Step-by-step explanation:

The expression is written in slope intercept form [ y = mx + b ] where m = slope and b = y-intercept. In the expression given, we will see that m = -6 and b = 1. Typically "b" is used to rpresent the y-ntercept but your school may teach it different so they use "c" instead but both have the same meaning.

Best of Luck!

Aloiza [94]2 years ago

7 0

Answer:

answer is 7x add the this number

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Answer:

true

Step-by-step explanation:

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2 years ago

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What is the value of f ( − 3a ), if f ( x ) = 2x 2 + 4x ?

gogolik [260]

Answer:

d. 18a² - 12a

Step-by-step explanation:

f(x) = 2x² + 4x

f(-3a) = 2(-3a)² + 4(-3a)

2(-3a)² + 4(-3a)

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3 years ago

If 150 televisions are sold , what is the profit

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You have to have the prices of the televisions

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3 years ago

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Use the GCF and distributive property to write 24 + 40 as a product.

DanielleElmas [232]

Answer:

24 + 40 = 8*(3 + 5)

Step-by-step explanation:

The factors of:

24: 1, 2, 3, 4, 6, 8, 12, 14

40: 1, 2, 4, 5, 8, 10, 20, 40

the prime factors:

24: 2 * 2 * 2 * 3

40: 2 * 2 * 2 * 5

The most shared factors are (2*2*2=8)

Factoring out 8 we have:

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5 0

2 years ago

A study was conducted to compare the proportion of drivers in Boston and New York who wore seat belts while driving. Data were c

allochka39001 [22]

Answer:

a) The test statistic is $z = -2.51$

b) The pvalue is 0.0060.

Step-by-step explanation:

Question a:

Ha: pB < pNY

This means that the alternate hypothesis is rewritten as:

$H_a: p_{B} - p_{NY} < 0$

While the null hypothesis is:

$H_0: p_{B} - p_{NY} = 0$

The test statistic is:

$z = \frac{X - \mu}{s}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis and s is the standard error

pB = 0.581, pNY = 0.832

This means that $X = 0.581 - 0.832 = -0.251$

0 is tested at the null hypothesis:

This means that $\mu = 0$

Standard error = 0.1

This means that $s = 0.1$

Test statistic:

$z = \frac{X - \mu}{s}$

$z = \frac{-0.251 - 0}{0.1}$

$z = -2.51$

The test statistic is $z = -2.51$

Question b:

The pvalue is the probability of finding a proportion less than -0.251, that is, a difference of at least 0.251, which is the pvalue of Z = -2.51.

Looking at the z-table, Z = -2.51 has a pvalue of 0.0060

The pvalue is 0.0060.

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3 years ago