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adoni [48]
3 years ago
7

Solve each of the following quadratic equations (x+7)(x+1)=0

Mathematics
1 answer:
Solnce55 [7]3 years ago
8 0
Solve each equation for x by finding a, b, and c of the quadratic then applying the quadratic formula. 
x=-1, -7
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the height of the plant h , in inches , can be modeled by the function = 1.5t + 3 where t represent the time in weeks . Based on
Rasek [7]

Answer:

21 inches

Step-by-step explanation:

f(x)=1.5x+3

f(12)=21

7 0
2 years ago
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There are $400$ pages in Sheila's favorite book. The average number of words per page in the book is $300$. If she types at an a
avanturin [10]

Answer:

50hours

Step-by-step explanation:

Given that there are 400 pages in Sheila's favorite book.

The average number of words per page in the book is 300

She types an average rate of 40words per minute.

So to type 400pages of the book

Total number of words in the pages = 400×300 = 120000 words

Typing rate : 40words ------- 1minute

120000 words ----------- x minutes

Hence we have 40 × X mins = 120000 × 1min

Make X the subject

40X = 120000minutes

X = 120000/40

X = 3000minutes

Since 60minutes = 1hour

3000minutes = 3000minutes/60

= 50hours

Hence it took her 50hours to type 400pages

7 0
2 years ago
Designing a Sprinkler System
Bogdan [553]

Answer: Its B

Step-by-step explanation:

3 0
2 years ago
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Stealth Bank has deposits of $700 million. It holds reserves of $70 million and has purchased government bonds worth $215 millio
zhannawk [14.2K]

Answer:

$75 million

Step-by-step explanation:

Given that:

Reserve value = $70 million

Purchased government bond = 215 million

Market value of loan = $490 million

Net worth :

Assets - liability

Assets = (Market value of loan + purchased government bond + reserve value)

(490 million + 215 million + 70 million)

275 million + 70 million

= $775 million

Liability = Deposits = $700 million

Net worth = ($775 - $700) million

Net worth = $75 million

4 0
2 years ago
The accompanying table shows the value of a car over time that was purchased for
Dafna1 [17]

The value of the car after 11 years is $3137.18

<h3>exponential function</h3>

An exponential function is in the form:

y = abˣ

where a is the initial value of y, b is the factor, y, x are variables.

Let y represent the value of the car in dollars after x years. From the table:

When x  = 0, y = 12700, hence:

  • 12700 = ab°
  • a = 12700

When x = 2, y = 9849, hence:

  • 9849 = 12700b²
  • b = 0.8806

The exponential function is:

y = 12700(0.8806)ˣ

For 11 years:

y = 12700(0.8806)¹¹ = 3137.18

The value of the car after 11 years is $3137.18

Find out more on exponential function at: brainly.com/question/12940982

3 0
2 years ago
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