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MAVERICK [17]
3 years ago
5

Can you please help

Mathematics
1 answer:
Dmitry [639]3 years ago
4 0

Answer is in the file below

tinyurl.com/wpazsebu

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podryga [215]
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3 years ago
1) 130 words in 5 mins. How many words in an hour?
FinnZ [79.3K]

Answer:

Part 1) 1,560 words

Part 2) 161 miles

Step-by-step explanation:

Part 1) 130 words in 5 mins. How many words in an hour?

Remember that

1\ hour=60\ min

so

using proportion

Find out how many words in 60 minutes (one hour)

\frac{130}{5}\ \frac{words}{min}= \frac{x}{60}\ \frac{words}{min}\\\\x=130(60)/5\\\\x=1,560\ words

Part 2) 322 miles in 2 hours. How many miles in 60 minutes?

Remember that

1\ hour=60\ min

so

2\ hours=120\ minutes

using proportion

Find out how many miles in 60 minutes

\frac{322}{120}\ \frac{miles}{min}= \frac{x}{60}\ \frac{miles}{min}\\\\x=322(60)/120\\\\x=161\ miles

8 0
3 years ago
Marking brainliest <br><br> Please help
Ugo [173]
I think the answer is plus bc you need to add
5 0
3 years ago
Read 2 more answers
Let ​f(x)=x2+14x+48​. What are the zeros of the function? Enter your answers in the boxes.
mina [271]
Remember that to find the zeroes of a quadratic expression of the form a x^{2} +bx+c we could either factor it or use the quadratic formula. When a=1, like in our case, is often way easier and faster factor the expression than using the quadratic formula. The only thing we need to do to factor the expression is find tow number whose product is 48 and its sum is 14; those numbers are 6 and 8. (6)(8)=48 and 6+8=14. Now we can factor our quadratic like follows:
x^{2} +14x+48=(x+6)(x+8)
Since we are trying to find the zeroes of the function, we are going to set each one of our factored binomial equal to zero and solve for x:
x+6=0
x=-6
and
x+8=0
x=-8

We can conclude that the zeroes of the function f(x)= x^{2} +14x+48 are x=-6 and x=-8.
6 0
3 years ago
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