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Flauer [41]
3 years ago
9

A plane ride lasted 6.4 hours. how many seconds did the plane ride last

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

1 * 60 * 60 = 3600 (seconds in 1 hour)

3600 * 6 = 21600 (seconds in 6 hours)

3600 * 0.4 = 1440 (seconds in 0.4 hour)

21600 + 1440 = 23040 (6 hours + 0.4 hours)

your answer is 23040

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A recipe uses 5 cups of milk to make 25 servings. If the same amount of milk is used for each serving, how many servings can be
Wittaler [7]
2 or 2.4 because 3 quarts is 12 cups. Now if you want to make while servings you can make 2 whole servings. But for the usage of all cups you would make 2.4 servings

12/3=2.4
4 0
2 years ago
Which expression is equivalent to mc014-1?
ryzh [129]
1/5(100x - 105y + 70) = 20x -21y + 14
8 0
3 years ago
How much Zn and how much HCl should be used to produce 1.5 g ZnCl2
tatuchka [14]

Answer:

  • 0.71963 g of Zn
  • 0.80256 g of HCl

Step-by-step explanation:

The required mass of reactants can be computed from the number of moles of product.

  moles of ZnCl₂ = (1.5 g)/(136.282 g) ≈ 0.0110066 moles

Then the mass of Zn required is ...

  mass of Zn = (0.0110066 mol)(65.382 g/mol) = 0.71963 g

Two moles of HCl are used in the reaction with each mole of Zn, so the mass of HCl required is ...

  mass of HCl = 2(0.0110066 mol)(36.458 g/mol) = 0.80256 g

_____

<em>Comment</em>

The discrepancy in the last two decimal places of the weights above versus the calculator output below comes from rounding of moles of Zn to 4 significant digits, instead of 5 or more. The number of moles of ZnCl₂ is closer to 0.0110066.

4 0
3 years ago
Find the volume of the composite figure. First, find the volume of the triangular prism. 4 cm Triangular prism Volume = [?] cm 5
crimeas [40]

Answer: See attached image.

6 0
2 years ago
my hw write find an equation of the line passing through (-2,3) and (4,-5) I have to write the equation in slope-intercept form
Viefleur [7K]

Answer:

The line passing through the given points is:

y=-\frac{4}{3}x+\frac{1}{3}

in its slope-intercept form

Step-by-step explanation:

Start by finding the slope of the segment that joins the two given points using the slope formula:

slope=\frac{y_2-y_1}{x_2-x_1}

which for our case renders:

slope=\frac{3-(-5)}{-2-4}=\frac{8}{-6} =-\frac{4}{3}

Now we can find the y-intercept by using any one of the given points in the general slope-intercept form of a line with this slope:

y=-\frac{4}{3} x+b\\3=-\frac{4}{3} (-2)+b\\3=\frac{8}{3}+b\\b=3-\frac{8}{3} \\b=\frac{9-8}{3} \\b=\frac{1}{3}

Therefore, the equation of the line becomes:

y=-\frac{4}{3}x+\frac{1}{3}

3 0
3 years ago
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