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2 years ago

1.

2 answers:

6 0

1. 1 km is equivalent to 0.621 miles. Therefore 1 mile is larger

2. 1 kg is equivalent to 2.205 lbs. therefore 0.5 kg is larger quantity.

3. 1 L is equivalent to 1.057 qt. Therefore the 2.5 qt is larger.

4. 1 inch is equivalent to 2.54 cm. Therefore 0.0045 inches is larger.

Karolina [17]2 years ago

6 0

Answer:

1. 1.0 km or 1.0 mi

Larger quantity: 1.0 mi

2. 0.5 kg or 0.5 lb

Larger quantity: 0.5 kg

3. 2.5 qt or 2.5 L

Larger quantity: 2.5 L

4. 0.0045 cm or 0.0045 in.

Larger quantity: 0.0045 in.

Step-by-step explanation:

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What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x

andre [41]

Answer:

$sin^2x+cos^2x=1$ is used to prove the given equation.

Step-by-step explanation:

We have given an equation:

$sinx\cdot cosx\cdot tanx=1-cos^2x$

We will consider right hand side first

tan x can be written as:

$tanx=\frac{sinx}{cosx}$

So, on substituting tan x in the left hand side of the given equation we get:

$sinx\cdot cosx\cdot \frac{sinx}{cosx}$

Cancel common term from denominator and numerator which is cosx we get

$sin^2x$

And we have an identity:

$sin^2x+cos^2x=1$

$\Rightarrow sin^2x=1-cos^2x$

Hence, right hand side is equal to $sin^2x$ .

5 0

2 years ago

Read 2 more answers

What is correct?

DochEvi [55]

4 °C

i just googled it XD. source: https://www.google.com/search?q=the+density+of+water+is+maximum+at+which+temperature&oq=the+density+of+water+is+maximum+at+which+temperature&aqs=chrome..69i57.699j0j4&client=ms-android-samsung&sourceid=chrome-mobile&ie=UTF-8

8 0

3 years ago

First rewrite 8/25 and 7/20 so that they have a common denominator

Pie

Answer:

8/25 = 32/100
7/20 = 35/100

Step-by-step explanation:

25 and 20 have a least common multiple of 100, so that is your least common denominator.

8/25 = (8·4)/(25·4) = 32/100

7/20 = (7·5)/(20·5) = 35/100

6 0

2 years ago

Pat's Pizza Place sells large pies for $12 with a charge of $2 for each topping. If Reagan only has a $20 bill to spend on a piz

Cerrena [4.2K]

Answer:

The 1st graph

Step-by-step explanation:

20 = 2t + 12

2t = 8

t = 4

At most she can afford 4 toppings which means she can have 4 toppings to less: t ≤ 4. This is represented in the 1st graph.

3 0

2 years ago

Read 2 more answers

A line passes through points (2,5) and (5, 14). What is the slope of this line?

topjm [15]

We know that:

Slope of a line = change in y coordinate / change in x coordinate

We are given:

First point = (2,5)

Second point = (5, 14)

Calculating the change in y coordinate:

change in y (also represented by Δy) = second y - first y

Δy = 14 - 5

Δy = 9

Calculating the change in x coordinate:

Δx = second x - first x

Δx = 5 - 2

Δx = 3

Slope of the line:

Slope = (Δy) / (Δx)

Slope = 9 / 3 [replacing the values]

Slope = 3

7 0

2 years ago