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almond37 [142]
3 years ago
7

Find f(x) = 4x^2+ 9 if f(x) = -2. PLS HELP ME

Mathematics
1 answer:
matrenka [14]3 years ago
8 0

Answer:

25

Step-by-step explanation:

Download pdf
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A kite is flying 20 ft off the ground. Its line is pulled taut and casts a 15 ft - shadow. Find the length of the line. If neces
Kryger [21]

Answer:

The answer to your question is 25 ft

Step-by-step explanation:

Data

height = 20 ft

leg = 15 ft

length of the line = ?

To solve this problem use the Pythagorean theorem.

Height = short leg = b

leg = long leg = a

length of the line = hypotenuse = c

- Substitution

         c² = (20)² + (15)²

-Simplification

         c² = 400 + 225

         c² = 625

-Result

         c = \sqrt{625}

         c = 25 ft

6 0
3 years ago
Grace and Jamal each bought notebooks for school. Grace bought 3 notebooks for $3.90 while Jamal bought 2 notebooks for $2.20. W
ludmilkaskok [199]
3.9/3=$1.30

2.2/2=$1.10

The unit prices are $1.30 and $1.10.
Hope this help!
7 0
3 years ago
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+<br> Find the are of the triangle
Yuliya22 [10]
Where’s the picture. Please show it
4 0
3 years ago
In January, Emma was 62.25 in tall. In December, she was 65.5 inches tall. How much did Emma grow between January and December?
WINSTONCH [101]

she "grew" negative 3.25 inches

 it is negative because she was taller in December than she was in January

5 0
3 years ago
If $10,000 is borrowed at an APR of 18%, for a period of 5 years and payments are made monthly, what will be the monthly payment
Soloha48 [4]

Answer:

$381.29

Step-by-step explanation:

10000(1+.18)5

10000(1.18)5

Amount due $22877.58

since 5 years x 12 months =60 months

monthly payment is 22877.58÷60 = $381.29

4 0
3 years ago
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