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mixas84 [53]
2 years ago
8

If x = 2 and y =3. evaluate 3x - 4y

Mathematics
1 answer:
insens350 [35]2 years ago
6 0
The answer is -6 just plug in the values
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Solve for r. 13r+1=−23r−2 Drag and drop the answer into the box. r = −3 −1/3 2/3 1/8
olganol [36]
13r+23r=-2-1
36r=-3
r=-3/36
r=-1/12
4 0
2 years ago
Find the zeros of the function f(x) = -1.6x2 + 18x – 47 to the nearest<br> hundredth.
sp2606 [1]

Answer:

Step-by-step explanation:

4 0
2 years ago
A standard deck of cards contains 52 cards. One card is selected from the deck.​(a)Compute the probability of randomly selecting
Aneli [31]

a. There are four 5s that can be drawn, and \binom43=4 ways of drawing any three of them. There are \binom{52}3=22,100 ways of drawing any three cards from the deck. So the probability of drawing three 5s is

\dfrac{\binom43}{\binom{52}3}=\dfrac4{22,100}=\dfrac1{5525}\approx0.00018

In case you're asked about the probability of drawing a 3 or a 5 (and NOT three 5s), then there are 8 possible cards (four each of 3 and 5) that interest you, with a probability of \frac8{52}=\frac2{13}\approx0.15 of getting drawn.

b. Similar to the second case considered in part (a), there are now 12 cards of interest with a probability \frac{12}{52}=\frac3{13}\approx0.23 of being drawn.

c. There are four 6s in the deck, and thirteen diamonds, one of which is a 6. That makes 4 + 13 - 1 = 16 cards of interest (subtract 1 because the 6 of diamonds is being double counted by the 4 and 13), hence a probability of \frac{16}{52}=\frac4{13}\approx0.31.

- - -

Note: \binom nk is the binomial coefficient,

\dbinom nk=\dfrac{n!}{k!(n-k)!}={}_nC_k=C(n,k)=n\text{ choose }k

6 0
3 years ago
Helpp ill mark u as brainlist​
umka21 [38]

Answer:

Soccer

Step-by-step explanation:

3 0
3 years ago
3) This decimal is colored to show<br> 1
MAVERICK [17]
I believe it’s the first one. i’m very sorry if it’s wrong
3 0
3 years ago
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