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Pani-rosa [81]
3 years ago
11

Can someone help me with my problems

Mathematics
1 answer:
Molodets [167]3 years ago
4 0

Answer:

while multiplying or dividing both side by a negative number we have to change the side of inequality sign. so u have to write r greater then -24

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The perimeter of a rectangular garden is 43.8 feet. It’s length is 12.4 feet. What is it’s width?
Stells [14]

Answer:

9.5 m

Step-by-step explanation:

If width is -- x

12.4 + x + 12.4 + x = 43.8

2x = 19

x = (19/2)

x = 9.5 m

Thenks and mark me brainliest :))

8 0
3 years ago
2018 copper penny struck at the Philadelphia mint in 1794 was sold for 345000 rate of return
vodomira [7]

Answer:

The rate of return is 8%.

Step-by-step explanation:

The time span from 1794 to 2018 is (2018 - 1794) = 224 years.

Now, a penny i.e. 0.01 pounds of money as a principal gets the final sum of 345000 pounds after 224 years.

Here we have to calculate the rate of return if the interest is compounded yearly.

Using the formula of compound interest of r% APR, we get

345000 = 0.01 (1 + \frac{r}{100})^{224}

⇒ 1 + 0.01r = 1.08

⇒ 0.01r = 0.08

⇒ r = 8% (Answer)

6 0
4 years ago
Find the area of the triangle.
r-ruslan [8.4K]

Answer:

86.1yd

Step-by-step explanation:

area of a triangle= base*height/2

21*8.2=172.2

172.2/2=86.1

4 0
3 years ago
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25% of Santa’s 8 reindeer were playing reindeer games how many of Santa’s reindeer were not playing games
mojhsa [17]

Answer:6

Step-by-step explanation:

50% = 4 reindeer

25% = 2

Just basically keep halfing it

5 0
3 years ago
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Determine which of the following equations, when graphed, intersect at the point (4,0).
natima [27]

Answer:

x-y=4

Step-by-step explanation:

5 0
3 years ago
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