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Rufina [12.5K]
3 years ago
12

Divide these fractions. -7/2 ÷ -4/9. The correct answer is reduced to its simplest form and expressed as a mixed number.

Mathematics
1 answer:
amm18123 years ago
3 0
        the answer is  7  1/8
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HELP FAST ITS EASY BUT IDK HOW ITS WRONG ITS ONLY true or false​
seropon [69]

Answer:

on p or q put

Step-by-step explanation:

1) p and q true

2) q false

3) p false

4) p and q false

6 0
3 years ago
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Pls help me with this question
erma4kov [3.2K]
As in this figure two sides of triangle are equal so angle A=B because angle opposite to equal sides are equal so

60+x+x= 180
60+2x=180
2x= 180-60
2x=120
x=120/2
x=60
Therefore B,C is 60
7 0
3 years ago
What are the steps for using a compass and straightedge to construct a regular hexagon inscribed in a circle?
N76 [4]
The steps to construct a regular hexagon inscribed in a circle using a compass and straightedge are given as follows:

1. <span>Construct a circle with its center at point H.

2. </span><span>Construct horizontal line l and point H on line l

3. </span>Label the point of intersection of the circle and line l to the left of point H, point J, and label the point of intersection of the circle and line l to the right of point H, point K.<span>

4. Construct a circle with its center at point J and having radius ​ HJ ​ . Construct a circle with its center at point K having radius ​ HJ

5. </span><span>Label the point of intersection of circles H and J that lies above line l, point M, and the point of their intersection that lies below line l, point N. Label the point of intersection of circles H and K that lies above line l, point O, and the point of their intersection that lies below line l, point P.

6. </span><span>Construct and JM⎯⎯⎯⎯⎯, MO⎯⎯⎯⎯⎯⎯⎯, OK⎯⎯⎯⎯⎯⎯⎯, KP⎯⎯⎯⎯⎯, PN⎯⎯⎯⎯⎯⎯, and NJ⎯⎯⎯⎯⎯ to complete regular hexagon JMOKPN .</span>
3 0
3 years ago
At a fast food restaurant, customers are asked if they want to “round up” their bill to the next highest        dollar and donat
jarptica [38.1K]

Answer:

(a) 0.1414

(b) 0.1010

Step-by-step explanation:

(a)

The density curve is rectangular in shape.

This implies that the distribution of donations is Uniform.

(b)

Compute the probability of donations at least 85 cents as follows:

P(X\geq 85)=\int\limits^{99}_{85} {\frac{1}{99-0} \, dx

                 =\frac{1}{99}\times [x]^{99}_{85}\\\\=\frac{99-85}{99}\\\\=0.1414\\\\

Thus, the proportion of donations that are at least 85 cents is 0.1414.

(b)

Compute the probability of donations between 30 and 40 cents as follows:

P(30\leq X\leq 40)=\int\limits^{40}_{30} {\frac{1}{99-0}} \, dx

                         =\frac{1}{99}\times [x]^{40}_{30}\\\\=\frac{40-30}{99}\\\\=0.1010

Thus, the probability of donations between 30 and 40 cents is 0.1010.

7 0
4 years ago
Explain why the amount of money in the account at the end of t years is given by the formula:
nevsk [136]

Answer:


Step-by-step explanation:

The initial amount invested is P0

Say it is compounded periodically either quarterly or monthly or semi annually with interest r%

If for a period interest is r%

Then after first period principal = principal+simple interest

=P_{0}+\frac{P_{0}r }{n}

where n is the no of times in a year it is compounded. n = 4 if quarterly, 12 if annually, etc

At the end of II period we have

Principal =P_{0}+\frac{P_{0}r }{n}

So for interest again the process is repeated

Thus we repeat this nt times which result in power with nt

Hence the formula


3 0
4 years ago
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