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FinnZ [79.3K]
3 years ago
11

Harrys weighs 30 lbs more than Ellen

Mathematics
1 answer:
gavmur [86]3 years ago
6 0
H+30=E       ....................................  ..................... ......................... ...................... .................. ...........  ...................... ............................                                                                                                                                                                                                                                                                                                                                                                                
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What is the solution to the inequality 14y−14≥14?
makkiz [27]
14y > 0 is the answer
6 0
3 years ago
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Which would be the best method to use to solve the following equations? Explain your reasoning.
o-na [289]

A. square root property

3x^2-192=0\\x^2-66=0\\x^2=66\\x= -\sqrt{66} or \sqrt{66}

it has one value with x which is x^2 and it cn be easily solved without having to factorise, quadratic formula cant be used as it need ax^2+bx+c=0 format

B. factorising

x^2-x-6=0\\x^2+2x-3x-6=0\\(x+2)(x-3)=0\\x+2=0  and  x-3=0\\x= -2 \\x= 3

i just felt like this was easier to factorise than the other 2 options left

C. Completing the square

x^2-6x-7=0\\(x-3)^2=0\\x= -1\\x= 7

same reason personal preference

D- Quadratic

x^2-17x-7=0\\x=\frac{-(-17)+\sqrt{(-17)^2-4(1)(-7)} }{2(1)} \\x=\frac{-(-17)-\sqrt{(-17)^2-4(1)(-7)} }{2(1)}\\x=17.4\\x=-0.402

the 17 kinda threw me off and i didnt wanna get on factorising or doing completing the square so quadratic formal

7 0
2 years ago
Help pleasee and show workk!!!!!!!
Jet001 [13]

Answer:

WAP MOMENTYSHEHWJWUE

3 0
3 years ago
Im confuse gusy can u help me?
ivolga24 [154]

Answer:

11. 333... which can also be written as 11 1/3.

Step-by-step explanation:

Sure.

√(6c - 4) = 8

Squaring both sides:

6c - 4 = 64

6c = 64 + 4 = 68

c = 68/6

  = 11. 333...

3 0
1 year ago
Read 2 more answers
Of a total of 6,000.00, part was invested at a simple interest rate of 8% and part at 7% if the total interest income for one ye
alekssr [168]

Answer: Ok so first 0.05(6000 - x) + 0.07x = 372

300 - 0.05x + 0.07x = 372

300 + 0.02x = 372

0.02x = 72

x = 3600

He invested $3600 at 7% and $2400 at 5%.

<h2>Hope this helps have a bless day❤️</h2>

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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