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eimsori [14]
3 years ago
8

Surface area of sphere 5cm

Mathematics
1 answer:
Ymorist [56]3 years ago
6 0
Answer:

r = 5 cm
V = 523.599 cm3
A = 314.159 cm2
C = 31.4159 cm
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Lena spent $39 on fruit at the grocery store. She spent a total of $60 at the store. What percentage of the total did she spend
Likurg_2 [28]

Answer:

The answer is 65%

Step-by-step explanation: Divide 60 by 39 and multiply by 100. So it will look like 39/60=0.65*100=65%. I hope this helps. :)

7 0
2 years ago
How can you Factor:ab^2-ab
NeTakaya

Answer:

ab(b−1)

Step-by-step explanation:

Factor ab out of  ab ^2 − ab

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2 years ago
Find x in this 45°-45°-90° triangle.<br> x=
vova2212 [387]

Answer:

33

Step-by-step explanation:

because a triangle measure 90 degrees so you just subtract the amount that you add and got

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2 years ago
Find the slope and the equation please<br><br>and step by step PLEASE.​
Svetllana [295]

Answer:

y = \frac{-4}{5}x + 1

Step-by-step explanation:

Slope is rise over run, or the vertical progression over the horizontal progression.

Your example has a line that heads downwards, so we know that the slope is negative. If we count the squares, the "rise" is down by 4. We count the squares going horizontally and there are 5. So, your slope is \frac{-4}{5}.

The other half of the equation is the y-intercept, or where the line crosses the y axis. It appears to be at (0 , 1), so we can say that your y-intercept is 1.

5 0
2 years ago
A classmate simplifies the expression in exercise 1. is the expression he wrote equivalent to the original expression? explain.
AlladinOne [14]
Excercise 1:

No, this is not simplified fully. The full answer would be <span>−7dk+14d−21k</span>−7, not <span>14d - 9 - 21k - 7dk + 2. So, it is not equivalent.
</span><span>
Excercise 4:
</span><span>7dk (2 - 3 - 1) - 7
</span>
Just multiply 7dk into (2) (-3) and (-1)
you'd get:
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</span>
p = parameter
w = width

w+2.75

p = 2w+2(w+2.75) = <span>4w</span>+<span>5.5 = 30

Answer to the last one:

w = 6.125</span>
4 0
3 years ago
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