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tatyana61 [14]
3 years ago
5

Hannah and Anthony are sibling who have ages that are consecutive odd integers. The sum of their ages is 92. Which equations cou

ld be used to find Hannah’s age, h, is she is the older sibling? Select all that apply:
a) 2h + 1 = 92
b) 2h – 1 = 92
c) 2h + 2 = 92
d) 2h – 2 = 92
e) h – 2 = 92 – h
f) h – 1 = 92 – h
Mathematics
2 answers:
harkovskaia [24]3 years ago
6 0
E h-2 =92 -h that is the correct answer
Yuki888 [10]3 years ago
4 0

Answer:You have to ask your teacher

Step-by-step explanation: i couldnt do it but she gave it to us because she said that its to hard

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Hi, can someone please help, and possibly explain the answer please.
mr_godi [17]

Answer:

x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

Step-by-step explanation:

Quadratic formula: x=\frac{-b\±\sqrt{b^2-4ac} }{2a} when the equation is 0=ax^2+bx+c

The given equation is 1=-2x+3x^2+1. Let's first arrange this so its format looks like y=ax^2+bx+c:

1=-2x+3x^2+1

1=3x^2-2x+1

Subtract 1 from both sides of the equation

1-1=3x^2-2x+1-1\\0=3x^2-2x+0

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

I hope this helps!  

8 0
3 years ago
What is 5/4 - 1/3 - 1/2 plz I need to know plz I really need to know tell me if u know​
Anna007 [38]

Answer:

29 /12  or 25 /12  or 2.4166667

Step-by-step explanation:

1/2 + 2/3 + 5/4

5 0
3 years ago
Read 2 more answers
Help help help help help help help
neonofarm [45]

Answer:

D= -16.8

Step-by-step explanation:

3 0
3 years ago
What is 7.66666666667 in a simplified fraction?
KonstantinChe [14]

it cannot be simplified, only rounded. THis rounded as a fraction is "7 7/10"

6 0
3 years ago
Read 2 more answers
4. In one semester, Doug and Laura spent a combined 230 hours in the tutoring lab. If Doug
IRISSAK [1]

Answer:

80 hours

Step-by-step explanation:

let d represent doug, let l represent laura

first, set up a system of equations representing the problem:

since doug spent 10 less than twice the hours laura did, and we know that the total amount of hours they spent together is 230:

l=2d+10

d+l=230

then solve:

*first i rearranged the equations so i can solve this system of equations using elimination method*

l-2d=10

l+d=230

*subtract*

3d=240

d=80

so, doug spent 80 hours in the lab

6 0
3 years ago
Read 2 more answers
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