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eduard
3 years ago
15

To convert 0.73 hours into minutes, which ratio could you multiply by?

Mathematics
2 answers:
shutvik [7]3 years ago
7 0
You can use this ratio:

1hour/60minutes=0.73hours/Xminutes

and cross multiply
so x= 43.8 minutes
melomori [17]3 years ago
4 0
60 minutes in 1 hour, so 0.73_h  * (60_m)/1_h= 43.8_m
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In a right triangle, the acute angles measure x + 15 and 2x degrees. What is the measure of the smallest angle of the triangle?
Nat2105 [25]
The sum of the three angles of a triangle is always 180 degrees. If the triangle is right, which means one of the angles measures 90 degrees, the other two angles should add up to 90 degrees. With this condition and the given above, x + 15 + 2x = 90. Solving for x in the equation gives x = 25. Substituting x to the given expression for the acute angles gives the measurements of 40 and 50 degrees. Thus, the smallest angle of the triangle is <em>40 degrees</em>. 
5 0
3 years ago
Solve pls i need answer asap<br> all 1-6
sergiy2304 [10]

Step-by-step explanation:

the domain is the set or interval of all valid x values.

the range is the set or interval of all valid y values.

1.

domain = {-1, 2, 5}

range = {0, 2, 3, 7}

function : no, because x = -1 has 2 different y values assigned (7 and 2). that violates the definition of a function.

2.

domain = {-3, -2, -1, 1, 4}

range = {-5, -1, 0, 2}

function : yes. every x bake has exactly one y value assigned.

3.

domain = {4, 6, 7}

range = {-1, 2, 3, 5}

function : no, because x = 4 has 2 different y values assigned (2 and 5).

4.

domain = [-3, 3) "3" is not included, hence the empty dot

range = [-4, 5]

function : yes

5.

domain = (-infinity, +infinity) "infinity" is not a possible value, so the limits are not included.

range = [-1, 2]

function : yes

6.

domain = [-2, +infinity)

range = (-infinity, +infinity)

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3 0
2 years ago
Find the sum or difference of 1/9 - 4 11/12 ​
erastova [34]

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-65/36

Step-by-step explanation:

5 0
3 years ago
An important problem in industry is shipment damage. A windshield factory ships its product by truck and determines that it cann
ioda

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We are given the following data set:

Sample size, n = 12

Sample mean  = 9.4

Sample standard deviation = 0.64

Confidence interval:

\bar{x} \pm t_{critical}\frac{s}{\sqrt{n}}

Putting the values, we get,

t_{critical}\text{ at degree of freedom 11 and at}~\alpha_{0.01} = \pm 3.1058

9.4 \pm 3.1058(\frac{0.64}{\sqrt{12}} ) = 9.4 \pm 0.574 = (8.826,9.974)

5 0
3 years ago
How do i do this question<br> linked below
LUCKY_DIMON [66]

Answer: 40g

Explanation:

6.2kg = 6200g

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3 years ago
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