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Anika [276]
3 years ago
7

Kira's chocolate bar is

Mathematics
1 answer:
erik [133]3 years ago
6 0
The egation is 58/0.79=73
the cocoa ways 73% of the grams and 73% of 58 is 42 so the cocoa weighs 42 grams in total

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Help please questions are in the picture
vredina [299]

Question number 1:

Answer:

Answer B

Step-by-step explanation:

Add the prices

$143.99 + $82.40 = $226.39

Multiply by 6

$226.39 · 6 = $1358.34

Answer B, 1358.34

7 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!!<br> Help soon please
meriva

Answer:

ok down below is the answer

Step-by-step explanation:

5+5+5+5+5+5+5 is 5x7

5x5x5x5x5x5x5 is 5 with a little 7

7x7x7x7x7 is 7 with a little 5

others are none :)

3 0
2 years ago
What does x bar mean in calculus?
Lelechka [254]
X bar means "mean"..
7 0
2 years ago
Which fraction us less than a half?5/6 3/4 or 2/5
Olin [163]

Answer:

That's easy 2/5

Step-by-step explanation:

Half of 5 is 2.5 and well ovbi 2 is less than 2.5 therefore 2/5 is lees than a half

Hope this helps!

8 0
3 years ago
What two numbers add to 8 and multiply to 28
anygoal [31]
Find numbers that multiply to 28 and add them to see if they add to 8
28=
1 and 28=29 not 8
2 and 14=16 not 8
4 and 7=11 not 8
that's it'
no 2 numbers
we must use quadratic formula

x+y=8
xy=28

x+y=8
subtract x fromb oths ides
y=8-x
subsitute
x(8-x)=28
distribute
8x-x^2=28
add x^2 to both sides
8x=28+x^2
subtract 8x
x^2-8x+28=0

if you have
ax^2+bx+c=0 then x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
so if we have
1x^2-8+28=0 then
a=1
b=-8
c=28

x=\frac{-(-8)+/- \sqrt{(-8)^{2}-4(1)(28)} }{2(1)}
x=\frac{8+/- \sqrt{-48} }{2}
x=\frac{8+/- 4 \sqrt{-3} }{2}
x=4+/- 2 \sqrt{-3}
x=4+/- 2i \sqrt{3}
there are no real numbers that satisfy this
5 0
3 years ago
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