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lakkis [162]
3 years ago
12

Please help, the questions just have to be simplified

Mathematics
2 answers:
dimaraw [331]3 years ago
8 0
6c^2d^{-3}\ \times\ 3c^3d^{-4}=6\cdot3\cdot c^{2+3}d^{-3+(-4)}=18c^5d^{-7}=\frac{18c^5}{d^7}


\frac{-16p^6q^5}{20q^7}=-\frac{16}{20}p^6q^{5-7}=-\frac{4}{5}p^6q^{-2}=-\frac{4p^5}{5q^2}
kifflom [539]3 years ago
4 0
6c^2d^{-3}\cdot3c^3d^{-4}=\frac{18c^5}{d^7}\\\\
\frac{-16p^6q^5}{20q^7}=-\frac{4p^6}{5q^2}
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Tn = -2n + 3, find t4
yanalaym [24]

Substitute n = 4

t(4)=-2(4)+3

-8+3= -5

therefore t(4) = -5

4 0
3 years ago
Mia's cat weighs 17.2 pounds. Her dog weighs 3.1 times as much as her cat. How much does Mia's dog weigh?
Juli2301 [7.4K]
17.2 • 3.1
= 53.32

hope this helped :p
7 0
3 years ago
Writing to explain Describe a point
3241004551 [841]
A point is an exact position or location on a plane surface. It is important to understand that a point is not a thing, but a place. We indicate the position of a point by placing a dot with a pencil. This dot may have a diameter of, say, 0.2mm, but a point has no size. No matter how far you zoomed in, it would still have no width. Since a point is a place, not a thing, it has no dimensions. Points are usually named by using an upper-case single letter. Usually represented by a dot.
5 0
3 years ago
In a statistics class, there are 22 juniors and 18 seniors. Of the juiors, 12 are females. Of the seniors, 11 are males. What is
Mariana [72]

Answer:

a) 0.857

b) 0.571

c) 1

Step-by-step explanation:

Based on the data given, we have

18 juniors

10 seniors

6 female seniors

10-6 = 4 male seniors

12 junior males

18-12 = 6 junior female

6+6 = 12 female

4+12 = 16 male

A total of 28 students

The probability of each union of events is obtained by summing the probabilities of the separated events and substracting the intersection. I will abbreviate female by F, junior by J, male by M, senior by S. We have

P(J U F) = P(J) + P(F) - P(JF) = 18/28+12/28-6/28 = 24/28 = 0.857

P(S U F) = P(S) + P(F) - P(SF) = 10/28 + 12/28 - 6/28 = 16/28 = 0.571

P(J U S) = P(J) + P(S) - P(JS) = 18/28 + 10/28 - 0 = 1

Note that a student cant be Junior and Senior at the same time, so the probability of the combined event is 0. The probability of the union is 1 because every student is either Junior or Senior.

8 0
3 years ago
Emily Anderson's deposit includes two checks; $231.09 and $987.67; cash 9 one-dollar bills,
astra-53 [7]

Here is the set up:

Let T = total deposit

T = (231.09) + 987.67+ 9.00 + 45.00 + 80.00 + 3.50 + 2.50 + 0.90 + 0.64

Take it from here.

7 0
3 years ago
Read 2 more answers
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