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3 years ago

IF U CAN SOLVE THIS I LITERALLY LUV U ILL GIVE U BRAINLIEST 5 STARS AND A THANKSSS OMG PLS IN 10 MINUETSSS :c

Mathematics

1 answer:

gogolik [260]3 years ago

7 0

Answer:

determination and family

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Find the average rate of change for the given function from x = −1 to x = 2.

Mashutka [201]

$the \: average \: rate \: of \: change = \frac{f(x2) - f(x1)}{x2 - x1} \\ \frac{f(2) - f( - 1)}{ 2 - - 1} = \\ \frac{ - 3(2) + 2 - ( - 3( - 1) + 2)}{3} = \\ \frac{ - 6 + 2 - 3 - 2}{3} = \frac{ - 9}{3} = - 3$

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3 years ago

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7. Write the slope-intercept form of the equation of the line graphed below.

Stels [109]

Answer:

The answer to your question is $y = \frac{-1}{2} x - 1$

Step-by-step explanation:

Process

1.- Get to points of the line

A (-2, 0)

B (0, -1)

2.- Find the slope of the line

Slope = m = $\frac{y2 - y1}{x2 - x1}$

Substitution

m = $\frac{-1 - 0}{0 + 2} = \frac{-1}{2}$

3.- Find the equation of the line

y - y1 = m(x - x1)

Substitution

y - 0 = -1/2(x + 2)

Simplification

y = -1/2x - 1

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3 years ago

In a group of 140 adults, 92 watch tennis, 81 play a sport and 40 do neither. Find the probability that an adult chosen at rando

likoan [24]

Answer:

PROBABILITY =11/140 or 8% (approx.)

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2 years ago

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The function M(s) = 225 + 0.65s represents the material cost of manufacturing gardening scissors when s scissors are produced. T

Llana [10]

Answer:

$\frac{279 + 1.8s}{s}$

Step-by-step explanation:

The material cost of manufacturing gardening scissors when s scissors are produced : $M(s) = 225 + 0.65s$

The labor cost for producing s scissors: $L(s) = 54 + 1.15s$

So, total cost of producing s scissors = $M(s)+L(s)$

= $225 + 0.65s+54 + 1.15s$

= $279 + 1.8s$

So, total cost for s scissors = $279 + 1.8s$

So, manufacturing cost for 1 scissor= $\frac{279 + 1.8s}{s}$

Hence the manufacturing cost per scissors is $\frac{279 + 1.8s}{s}$

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3 years ago

Jake was 4 times as old as Kelly 5 years ago. Their total age is 60 now. How much older is Jake than Kelly?

tatyana61 [14]

Answer:

5 years ago

Let Kelly's age be x

Jake's age is 4x

5 years later

Kelly's age is x + 5

Jake's age is 4x+5

The sum of both their ages is 60. The equation will be

x + 5 + 4x + 5 = 60

5x + 10 = 60

5x = 60 - 10

x = 50/5 = 10

So Kelly is (10 + 5) 15 years old.

Jake is (4*10 + 5) = 45 years old

8 0

3 years ago