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3 years ago

What do each of these measure?

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

The all are weather machines, but I don’t know what they measure individually. The ones I do know is:

Hydrometer: humidity

Thermometer: temperature

tekilochka [14]3 years ago

6 0

Barometer = air pressure

Hydrometer = humidity

Wind vane = wind direction

Anemometer = wind speed

Thermometer = temperature

Rain gauge = precipitation

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I need help! I'm *so* confused! I will mark Brainliest

Naddik [55]

Answer:

(-2,21)

Step-by-step explanation:

2 days ago, Paulo's commute time was halfway between his commute times 8 and 9 days ago.

8 days ago means that x-coordinate -8 represents this day. Count 8 units to the left and find that when x = -8, y = 24 minutes.

9 days ago means that x-coordinate -9 represents this day. Count 9 units to the left and find that when x = -9, y = 18 minutes.

Find halfway commute time between points (-8,24) and (-9,18):

$y=\dfrac{24+18}{2}=\dfrac{42}{2}=21,$

then coordinates that Paulo should graph are

(-2, 21)

(-2 means 2 days ago, 21 is the halfway)

5 0

3 years ago

When 64 is added to the number that is produced by doubling the number x, the result is equal to 35 times the number that 1 less

photoshop1234 [79]

64+(2x)=35(x-1)
expand
64+2x=35x-35
minus 2x from both sides
64=33x-35
add 35 to both sides
99=33x
divide both sides by 33
3=x
the number is 3

6 0

3 years ago

Tính đạo hàm <br>y=2x^3 - 9x^2 + 12x + 4

Liula [17]

Answer:

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5 0

3 years ago

What is the product of (2x-1)(x+4)

Novay_Z [31]

Answer:

$\large\boxed{(2x-1)(x+4)=2x^2+7x-4}$

Step-by-step explanation:

$(2x-1)(x+4)\qquad\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(2x)(x)+(2x)(4)+(-1)(x)+(-1)(4)\\\\=2x^2+8x-x-4\qquad\text{combine like terms}\\\\=2x^2+(8x-x)-4\\\\=2x^2+7x-4$

4 0

3 years ago

Create an inequality for the situation below.<br><br> Please help!!

OlgaM077 [116]

1 gallon of milk costs 0.50 more than 5 times a gallon of water.

From that information milk is 5x +0.50 the cost of water.

The cost of milk is $3.75, so now we have:

3.75 = 5x + 0.50

Subtract 0.50 from each side:

3.25 = 5x

Divide both sides by 5:

X = 3.25 / 5

x = 0.65

The cost of water = $0.65

8 0

3 years ago