3 years ago

HALP plz A pedestrian is walking at a speed of 3km/h graph the function

Mathematics

1 answer:

Kazeer [188]3 years ago

7 0

Answer:

Step-by-step explanation:

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Which number line models the solution set of -2x + 7 > 17?Pls do 2 answers for good measures (and brainliest)

Sidana [21]

Step-by-step explanation:

We can immediately eliminate answers B and C because we have >, meaning that the circle on the number line has to be open.

-2x+7>17

subtract 7 on both sides

-2x>10

divide by -2. remember that dividing by a negative flips the greater than or less than sign.

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the answer is D

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3 years ago

What is the value of x in the equation 4x+8y=40 when y=0.8

GREYUIT [131]

Substitute in 0.8 for y.

$4x+8y=40 \\ \\ 4x + 8(0.8) = 40 \\ \\ 4x + 6.5 = 40 \\ \\ 4x = 40 - 6.4 \\ \\ 4x = 33.6 \\ \\ x = 8.4 \\ \\$

The final result is: x = 8.4.

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3 years ago

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How far is 75% of a 2000 km trip

11Alexandr11 [23.1K]

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3 years ago

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Solve for x: 4/x - x/8 = 0

Lostsunrise [7]

Answer:

$x = \sqrt{32}$

Step-by-step explanation:

$\frac{4}{x} - \frac{x}{8} = 0\\\\\frac{4}{x} = \frac{x}{8}\\\\x^2 = 32\\\\x = \sqrt{32}$

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The following chart shows the number of concert tickets sold and the profit earned. What is the slope of the line through these

Black_prince [1.1K]

Answer:

C.) 4

Step-by-step explanation:

y2 - y1/x2 - x1

m = 160 - 80/60 - 40

m = 80/20

m = 8/2

m = 4/1

m = 4

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