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ValentinkaMS [17]
3 years ago
9

I need help as quick as possible

Mathematics
1 answer:
Semenov [28]3 years ago
4 0
(1/2)^2 -6(2- 2/3)

simplify exponent & get common denominators for 2&2/3

(1/4) -6(6/3-2/3)
(1/4) -6(4/3)

multiply

1/4-8

get common denominators again & subtract

1/4 - 32/4
= -31/4 or -7 3/4
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List seven guidelines that will help you plan a working budget.
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Gather financial details, list all sources of income, categorize expenses, list supplies, other expenses, calculate overall cost and subtract from your income, if needed tweak budget.
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4 years ago
To calculate the area of a triangle, you find the product of the base and height and then divide by two
SIZIF [17.4K]

Answer:

True

Step-by-step explanation:

Hope this helps! :)

4 0
3 years ago
Write x^2 + 6x -7 in the form (x+a)^2 +b where a and b are integers please
ANTONII [103]

Answer:

(x + 3) {}^{2}  - 16

Step-by-step explanation:

{x}^{2}  + 6x - 7 = (x  + 3)  {}^{2}  - (3) {}^{2}  - 7 \\  = (x + 3) {}^{2}  - 16

3 0
4 years ago
O A PQR is reflected over the x-axis. What are the<br> coordinates of O'?
topjm [15]

Answer:

(8,-2)

Step-by-step explanation:

When reflecting something across the X axis the y axis coordinate is the one that will change to put the position further up or down.  In this case we are moving it down to the same amount below the axis that it is now above it.  That means that since it is currently 2 above the X axis it would then be 2 below the X axis making it at -2 so the coordinates would be (8,-2)

I hope this helps and please don't hesitate to ask if there is anything still unclear!

7 0
3 years ago
Read 2 more answers
three different are rung at intervals of 36 minutes 40 minutes and 48 minutes if they were rung together at 9 a.m. at what time
Lena [83]

To find the time in which all the bells ring together, we need to find the LCM of 36,40,48.

Prime factorization of 36=2×2×3×3

Prime factorization of 40=2×2×2×5

Prime factorization of 48=2×2×2×2×3

Hence, LCM of 36,40,48=2×2×2×2×3×3×5=720 seconds.

 

720seconds=  

60

720

​

minutes=12minutes

Hence, all the bells will ring together after 12 mi

6 0
3 years ago
Read 2 more answers
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