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Rashid [163]
3 years ago
15

Using quadratic equation...help me

Mathematics
2 answers:
Shtirlitz [24]3 years ago
7 0

Answer:

x=0.94280

Step-by-step explanation:

see the photos it will explain how I got the answer

kogti [31]3 years ago
3 0

Answer:

HELLO I am tried to solve your question and I found 2 answer

Step-by-step explanation:

firstly we need discriminant to find x values.

you know we use b²-4ac formule to find discriminant

and this value (-3)²-[4*√2*(-2√2)]=-7 this means X hasn't reel value. let's continue.. if we want to find x value we use disc. and [-b±√∆]/2a one x value is [3+√7i]/2√2. and other is [3-√7i]/2√2

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Find the total surface area of the<br> following square pyramid:<br> 6 cm<br> 8 cm
Norma-Jean [14]

Answer:

Surface area of square pyramid = 160cm^{2}

Step-by-step explanation:

Let, b is the length of the base and s is the slant height

According to given condition:

b = 8 cm

s = 6 cm

Find out:

Surface area of square pyramid = ?

Formula:

Surface area of square pyramid = b^{2} + 2bs

Solution:

Surface area of square pyramid = b^{2} + 2bs

Surface area of square pyramid = 8^{2} + 2(8)(6)

Surface area of square pyramid = (64+ 96 ) cm^{2}

Surface area of square pyramid = 160cm^{2}

8 0
3 years ago
G(n) = 2n + 2<br> f(n) = n^2-3<br> Find (g+f)(n)<br><br> please show work
Mars2501 [29]

Answer:

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Step-by-step explanation:

2n + 2 + n² - 3

2n + n² -1

Lemme know if I read the equation wrong :)

6 0
3 years ago
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Harlamova29_29 [7]

Answer:

the circumference is 2.25675833π

simplify how you want

Step-by-step explanation:

8 0
3 years ago
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Lilly owes $52,000 in a student loans for college. If the loan will be repaid in 5.5 years and the interest rate charged is 6.75
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