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Salsk061 [2.6K]
3 years ago
12

Which expression is equal to 3/5 ?

Mathematics
2 answers:
GenaCL600 [577]3 years ago
8 0

Answer:

mtnntjrjrjj4j4j

Step-by-step explanation:

jjejjrrj

Flauer [41]3 years ago
5 0
B. 3 x 1/5
When multiplying with fractions all you do is multiply across. Because 3 isn't a fraction yet, make it one.
3/1 x 1/5
3 x 1 = 3
1 x 5 = 5
=3/5
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Differentiate with respect to t
True [87]

Answer:

\displaystyle 2x\frac{dx}{dt}-3y^2\frac{dy}{dt}+4z^3\frac{dz}{dt}=0

Step-by-step explanation:

We want to differentiate the equation:

x^2-y^3+z^4=1

With respect to <em>t</em>, where <em>x, y, </em>and <em>z</em> are functions of <em>t. </em>

<em />

So:

\displaystyle \frac{d}{dt}\left[x^2-y^3+z^4\right]=\frac{d}{dt}\left[1\right]

Implicitly differentiate on the left. On the right, the derivative of a constant is simply zero. Hence:

\displaystyle 2x\frac{dx}{dt}-3y^2\frac{dy}{dt}+4z^3\frac{dz}{dt}=0

8 0
2 years ago
1. The spinner shown has six equal-size sections and is spun twice. What is the probability that the product of the number spun
GuDViN [60]

PART 1.

Out of the 6 numbers of the board, there are 2 pairs whose product is 12: 6 and 2, and 4 and 3.

Notice that you could spin, for instance, a 6 first and then a 2. Or you could also spin a 2 first and then a 6. This tells us that each pair of numbers can be spun in two different ways. This gives us a total of 4 possible combinations whose product is 12:

\begin{gathered} (6,2) \\ (2,6) \\ (4,3) \\ (3,4) \end{gathered}

Now, let's calculate the number of possible combinations. Notice that, for example, you can spin a 1 and then a 1, 2, 3, 4, 5 or 6. This will give us 6 possible combinations for number 1:

\begin{gathered} (1,1) \\ (1,2) \\ (1,3) \\ (1,4) \\ (1,5) \\ (1,6) \end{gathered}

This will also happen for each of the 6 numbers on the board. If each number gives us 6 combinations, and there are 6 numbers, the total number of combinations will be:

6\cdot6=36

Now, we take the number of favorable outcomes (the pairs whose product is 12) and divide it by the total number of outcomes:

\frac{4}{36}\rightarrow\frac{1}{9}

This way, we can conclude that the probability that the product of the numbers spun is 12 is 1/9.

PART 2.

Number 3 is one of the 10 numbers given (0,1,2,3,4,5,6,7,8,9). This way, the probability of choosing number 3 is:

\frac{1}{10}

Now, out of all the 4 letters given (A,B,C,D), 3 are consonants. This way, the probability of choosing a consonant is:

\frac{3}{4}

This way, the probability of chosing number 3 and a consonant is:

\frac{1}{10}\cdot\frac{3}{4}=\frac{3}{40}_{}

This way, we can conclude that the probability that the number 3 and a consonant are selected is 3/40

5 0
1 year ago
What is 1/6 of 30% of 120
Elis [28]

Answer:

Step-by-step explanation:

6

5 0
3 years ago
Read 2 more answers
Hans is sitting in a movie theater, 19 meters from the screen. The angle of elevation from his line of sight to the top of the s
IgorC [24]

Answer:

12.8 m

Step-by-step explanation:

From the diagram :

Height PR = 19m

Using Pythagoras :

From triangle PQR:

QR = x

Tan θ = opposite / Adjacent

Tan 22° = x / 19

x = tan 22° * 19

x = 0.4040262 * 19

x = 7.6764982 m

From triangle PRS:

SR = y

Tan θ = opposite / Adjacent

Tan 15° = y / 19

y = tan 15° * 19

y = 0.2679491 * 19

y = 5.0910346

Height of entire screen :

(7.6764982 + 5.0910346) m

= 12.7675328 m

= 12.8 m

3 0
3 years ago
Which statements are true? Check all that apply. ( the formula for the area of a triangle is A = 1/2bh.)
never [62]
The formula is correct but I do not see any of the other statements. so yes the formula is true.
5 0
3 years ago
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