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Anon25 [30]
3 years ago
15

2) Equations can have either 0, 1 or infinite number of solutions. Give an example of the following:

Mathematics
1 answer:
tino4ka555 [31]3 years ago
3 0

The answer is<em> 3) An equation with infinite solutions.</em>

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The temperature in frostville was at 50*F at midnight,and it dropped at a constant rate for the next 10 hours.
bazaltina [42]

After 10 hours the temperature is shown on the graph as 30 degrees.

50 degrees - 30 degrees = 20 degrees.

The temperature dropped 20 degrees in 10 hours.

Divide the change by the time:

20 degrees / 10 hours = 2 degrees per hour.

Because the temperature dropped, the change would be negative.

The answer is D. -2 degrees per hour.

5 0
3 years ago
A boat travels at a speed of 20 miles per hour in still water. It travels 48 miles upstream, and then returns to the starting po
Zanzabum

Answer:

pepepopo

Step-by-step explanation:

ubsbsvxvxvxvxvxb b

red

<em>2216 \times x6 \sqrt[2 { \times y + 21 - 6 = 45022y82412. {9 {?}^{?} }^{?}  \times \frac{?}{?}  \times \frac{?}{?}  \times \frac{?}{?}  \times \frac{?}{?} x \times  =  \sqrt[1 \times  { < 0}^{ \: m} ]{?}  \times \frac{?}{?}  \times \frac{?}{?} }^{?} ]{?}</em>

3 0
3 years ago
shaquana has a deck that measures 18 feet by 15 feet. She wants to increase each dimension by equal lengths so that its area tri
Svetach [21]

to increase each dimension by equal lengths so that its area triples is 12 feet.

The given dimensions are 18 feet by 15 feet.

We need to find how much should each dimension increase.

Shaquana wants to increase each dimension by equal lengths so that its area triples.

Let the increased length be x.

So, length =18+x feet and width=15+x feet.

As we know, the area of a deck=Length×Width

The original area of a deck=18×15=270 square feet.

Now, the new area of a deck=(18+x )×(15+x)=3×270

⇒270+15x+18x+x²=810 square feet

⇒x²+33x-540=0

Here, a=1, b=33 and c=-540 in x=\frac{-b\±\sqrt{b^{2-4ac} } }{2a}.

⇒x=\frac{-33\±\sqrt{33^{2} -4 \times (-540)} }{2 \times 1}

⇒x=\frac{-33\±\sqrt{1089 +2160} }{2 \times 1}=\frac{-33\±57}{2}

⇒x=-45 or x=12

Length can not be a negative integer.

Therefore, to increase each dimension by equal lengths so that its area triples is 12 feet.

To learn more about the area of a rectangle visit:

brainly.com/question/20693059.

#SPJ1

6 0
1 year ago
What is v=1/3Ah solving for A
Gnesinka [82]

Answer:

i think u need a graph or like more info

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
John is a trail runner who decides to take a day off work to run up and down a local mountain. He runs uphill at an average spee
lesantik [10]

Answer:

Average speed

= 5 5/6 mph , or

= 5.83 mph (to 2 decimals)

Step-by-step explanation:

Average speed is total distance divided by the total time it takes to cover the given distance.

Since uphill = 5 mph, and downhill = 7 mph, we know the average speed is between 5 and 7 mph.

Let

x = distance uphill, and also distance downhill.

Total distance = 2x miles

Total time = x/5 + x/7 hours  = 12x/35 hours

Average speed

= total distance/total time

= 2x / (12x/35) mph

= 70x / 12x

= 5 5/6 mph

= 5.83 mph (to 2 decimals)

7 0
2 years ago
Read 2 more answers
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