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IRISSAK [1]
3 years ago
7

Mrs. Nelson gave her students a task:

Mathematics
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:

Right

Step-by-step explanation:

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if the population of a country increases by 35% every decade by what percentage does it increase by every year
VikaD [51]

Answer:

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4 years ago
Graph the equation below by plotting the y-intercept and a second point on the line.<br> Y=3x-3
Zinaida [17]

y-intercept is -3 so it must pass the vertical line -3.

Now start from point (0,-3) and rise up by 3, then go right by 1 since the slope is 3/1 or 3.

It should look like this:

8 0
3 years ago
Jim drove 175 miles in 3 hrs 30 mins.How many miles per hour did Jim drive?
exis [7]
Jim drove 50 miles per hour
8 0
4 years ago
The angle of elevation to the top of a skyscraper is measured to be 2 degrees from a point on the ground 1 mile from the buildin
Alex

Answer:

0.034921 miles or 1843774 feet tall

Step-by-step explanation:

Using trigonometric functions we know that x=rcos(\theta) and y=rsin(\theta) where \theta=angle and r is the hypotenuse of the triangle.

First we will calculate the hypotenuse using the x equation, since we know x = 1 mile (distance from the building on the ground) we have:

x=rcos(\theta)\\\\1=rcos(2)\\\\r=\frac{1}{cos(2)} \approx. 1.0061mi

Now we will calculate the height of the building using the y equation and so:

y=rsin(\theta)\\\\y=\frac{1}{cos(2)} \times sin(2) = \frac{sin(2)}{cos(2)}=tan(2)=0.034921mi

The building is 0.034921 miles or approximately 184.3774 feet tall.

4 0
3 years ago
Q and R are independent events. P(Q) = 0.4; P(Q AND R) = 0.08. Find P(R).
algol [13]
Because Q and R are independent, you have

\mathbb P(Q\cap R)=\mathbb P(Q)\times\mathbb P(R)
0.08=0.4\times\mathbb P(R)
\implies \mathbb P(R)=0.2
8 0
3 years ago
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