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4 years ago

Change the given quantity to the indicated unit. Round the answer to the nearest tenth of the unit necessary. 11oz=___g?

1 answer:

5 0

The answer is 308.0 grams

Explanation:
So we want to find how many grams are in 11 oz. The first step would be to find how many grams are in 1 oz, which would be about 28 grams. Now that we know there are about 28 grams in one ounce, we can solve for 11 ounces, by multiplying by 11. 28 x 11 = 308, therefore 11 oz = 308 g

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Suppose you buy a new car whose advertised mileage is 20 miles per gallon (mpg). After driving your car for several months, yo

Helen [10]

Answer:

$\frac{15,7 - 20}{1,26} = - 3,4$

Step-by-step explanation:

To determine the Z - score, it is calculated as follows:

$\frac{X - X_{avg} }{σ}$

Then:

$\frac{15,7 - 20}{1,26} = - 3,4$

It means that there are more than 3 standar deviations below the advertised mileage.

3 0

4 years ago

A cargo plane flew roundtrip from Smithtown to Johnsville. It took one hour less time to get there than it did to get back. The

iren [92.7K]

Answer:

13 hours

Step-by-step explanation:

Average speed = Distance traveled / time taken

⇒ Distance = Average speed × Time

d = s × t

For the first trip;

Average speed = 280 mph

d₁ = 280t₁ ------(1)

where;

d₁ is the distance covered to get to the destination

t₁ is the time taken to get to the destination

For the second trip;

Average speed = 240 mph

d₂= 240t₂ ------(2)

where;

d₂ is the distance covered on the way back

t₂ is the time taken on the way back

The trip is the same distance to and fro. Therefore,

d₁ = d₂

Substituting the equation for d₁ and d₂

280t₁ = 240t₂ ------(3)

It took one hour less time to get there than it did to get back, then,

t₁ = t₂ - 1

t₂ = t₁ + 1 ------(4)

Substituting equation (4) into equation (3)

280t₁ = 240(t₁ + 1)

280t₁ = 240t₁ + 240

280t₁ - 240t₁ = 240

40t₁ = 240

t₁ = 240/40

t₁ = 6 hours

From equation (4)

t₂ = t₁ + 1

t₂ = 6 + 1

t₂ = 7 hours

The total time for the trip is t₁ + t₂ = 6 + 7

= 13 hours

7 0

3 years ago

What is the solution to this system of equations? -5.9 x-3.7 y = -2.1. 5.9 x + 3.7 y = 2.1. a. (0, Negative 2.1) b.(0, 2.1) c. i

fenix001 [56]

Assuming your system of equations is

$\begin{cases}-5.9 x-3.7 y = -2.1\\ 5.9 x + 3.7 y = 2.1\end{cases}$

The answer is C. Infinitely many solutions. If my assumption is incorrect, then the answer will be likely different.

The reason why it's "infinitely many solutions" is because the first equation is the same as the second equation. The only difference is that everything was multiplied by -1. You could say that both sides were multiplied by -1.

Both equations given graph out the same line. They overlap perfectly yielding infinitely many solution points on the line.

8 0

4 years ago

Read 2 more answers

Find the value of x. (geometry)

Nana76 [90]

Answer:

18.02 units

Step-by-step explanation:

4 0

3 years ago

Find the missing factor.<br> 80 X<br> 640.000