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olya-2409 [2.1K]
4 years ago
12

1+2+3...........+100

Mathematics
1 answer:
shusha [124]4 years ago
5 0
5,050 is your answer
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Allison and Amy Scott work 15 hours per week at separate jobs. Allison assists in a hospital for $5.25 per hour. Amy works in a
lord [1]

Answer:

Amy makes more money

Step-by-step explanation:

Allison:

works 15hr

makes $5.25 per hr

(5.25)15 = 78.75

Allison makes 78.75 per week.

Amy:

works 15hr

makes 3.10 per hour

(3.10)15 = 46.50

plus 38 in tips

46.50 + 38 = 84.50

3 0
3 years ago
Read 2 more answers
Calculate the circumference of the circle?
scoray [572]
C = 11.6239mm
Circumference Formula is C = 2πr
R = 1/2 D 
R = radius
D = diameter
π = 3.14
C = circumference

1/2 3.7 = 1.85
2 x 3.14 x 1.85 = 11.6239

7 0
3 years ago
PLEASE HELP I WILL MAKE YOU BRAINLIST!!!
ArbitrLikvidat [17]

Answer:

25x^2 = x + 3

Step-by-step explanation:

So, the square of 5 times the number is (5x)2 which equals 25 x2.

 

But that is equal to three more than the number, or x + 3.

in your format it would be x+3=25x^2.

4 0
3 years ago
Please help me I am having a hard time with this activity
zysi [14]

Answer:

Step-by-step explanation:

b.

\frac{a^2+6a+9}{a^2-9} *\frac{3a-9}{a+3} \\=\frac{a^2+2*a*3+3^2}{a^2-3^2} *\frac{3(a-3)}{a+3} \\=\frac{(a+3)^2}{(a+3)(a-3)} *\frac{3(a-3)}{a+3} \\=\frac{3(a+3)^2}{(a+3)^2} \\=3

d.

\frac{3x^2-6x}{3x+1} *\frac{x+3x^2}{x^2-4x+4} \\=\frac{3x(x-2)}{3x+1} *\frac{x(1+3x)}{x^2-2x-2x+4} \\=\frac{3x(x-2)}{3x+1} *\frac{x(1+3x)}{x(x-2)-2(x-2)} \\=\frac{3x(x-2)}{3x+1} *\frac{x(1+3x)}{(x-2)(x-2) } \\=\frac{3x^2}{x-2)}

e.

\frac{2x^2-10x+12}{x^2-4} *\frac{2+x}{3-x} \\=\frac{2[x^2-5x+6]}{x^2-2^2} *\frac{2+x}{-(-3+x)} \\=\frac{2[x^2-2x-3x+6]}{(x+2)(x-2)} *\frac{x+2}{-(x-3)} \\=\frac{2[x(x-2)-3(x-2)]}{(x+2)(x-2)} *\frac{x+2}{-(x-3)} \\=\frac{2(x-2)(x-3)}{(x+2)(x-2)} *\frac{x+2}{-(x-3)} \\=\frac{2}{-1} \\=-2

k.

\frac{6x^2-11x-10}{6x^2-5x-6} *\frac{6-4x}{25-20x+4x^2} \\=\frac{6x^2-15x+4x-10}{6x^2-9x+4x-6} *\frac{-4x+6}{4x^2-10x-10x+25} \\=\frac{3x(2x-5)+2(2x-5)}{3x(2x-3)+2(2x-3) } *\frac{-2(2x-3)}{2x(2x-5)-5(2x-5)} \\=\frac{(2x-5)(3x+2)}{(2x-3)(3x+2)} *\frac{-2(2x-3)}{(2x-5)(2x-5)} \\=\frac{-2}{2x-5}

7 0
3 years ago
Select the choice that translates the following verbal phrase correctly to algebra:
klasskru [66]
It's w + 15. As it is increasing by 15, 15 is added onto it.
6 0
3 years ago
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