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3 years ago

Given f(x) = 17(3+x) what is the value of f(-2)

Mathematics

1 answer:

Scrat [10]3 years ago

6 0

Answer:

Step-by-step explanation:

f ( x ) = 17 ( 3 + x )

f ( -2 ) = 17 ( 3 + -2 )

f ( -2 ) = 51 + -34

f ( -2 ) = 17

= 17

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Which expression is equivalent to −1.3+(−4.9)+(−2.6) ?

Elenna [48]

Answer:

B −1.3−(4.9+2.6)

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3 0

4 years ago

Read 2 more answers

AKS 18/19 A travel agent is arranging a private cruise. The agent can arrange for, at most, 40 people to go on the trip. The tri

zlopas [31]

Answer:

M + W <= 40

M >= 12

M >= 15

Total profit = $26 * M + $14 * W

Step-by-step explanation:

Let the number of men be denoted by M

number of women be denoted by W

Maximum no of people that can go one trip = 40

Therefore representing it mathematically we have

M + W <= 40 -------------- CONSTRAINT 1

Minimum number of men needed on trip = 12

Therefore representing it mathematically we have

M >= 12 CONSTRAINT 2

Minimum number of women needed on trip = 15

Therefore representing it mathematically we have

M >= 15 CONSTRAINT 3

profit on 1 man = $26

profit on M men = $26 * M

profit on 1 woman = $14

profit on M men = $14 * W

Total profit combining for men and women =

$26 * M + $14 * W -------------CONSTRAINT 4

___________________________________________

writing together all the constraint

M + W <= 40

M >= 12

M >= 15

Total profit = $26 * M + $14 * W

4 0

3 years ago

A map has a scale of 1 in.:10 mi. Find the distance on the

Finger [1]

The cities are 14.7 inches apart on the map.

An inch on the map is 10 miles on the ground. That is what a scale of 1 in : 10 miles means.

If a distance is 147 miles on the ground therefore, on the map it will be:

= Distance on map / conversion factor

= 147 / 10

= 14.7 inches

The distance between the two cities on the map is 14.7 inches.

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3 0

3 years ago

Which equation represents the line that passes through points (1, –5) and (3, –17)? y = negative 6 x + 1 y = 6 x + 1 y = negativ

Paraphin [41]

Answer:

Using y = mx + c

slope = -17+5/3-1 = -12/2 = -6

Using point (1 , - 5)

y + 5 = -6(x - 1)

y + 5 = - 6x + 6

y = - 6x + 6 - 5

y = - 6x + 1

Hope this helps.

6 0

3 years ago

An automobile manufacturer claims that its car has a 42.8 miles/gallon (MPG) rating. An independent testing firm has been contra

yanalaym [24]

Answer: -1.51

Step-by-step explanation:

Let $\mu$ be the population mean rating of car.

As per given , we have

$H_0: \mu=42.8$

$H_a: \mu\neq42.8$

Since population variance is known, so we use z-test.

Test statistic : $z=\dfrac{\overline{x}-\mu}{\sqrt{\dfrac{\sigma^2}{n}}}$

, where n= sample size

$\overline{x}$ = Sample mean

$\sigma^2$ = variance

As per given ,

n=300

$\overline{x}=42.6$

$\sigma^2=5.29$

$\mu=42.8$

Put these values in formula we get

$z=\dfrac{42.6-42.8}{\sqrt{\dfrac{5.29}{300}}}$

$z=\dfrac{-0.2}{\sqrt{0.0176333}}$

$z=\dfrac{-0.2}{0.13279}=-1.50613751035\approx1.51$

Hence, the value of the test statistic is z= -1.51 .

3 0

4 years ago