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postnew [5]
2 years ago
9

Please help me please

Mathematics
1 answer:
lisov135 [29]2 years ago
7 0

Answer:

3π ~ 9.42 cm^2

Step-by-step explanation:

S = πR^2h

S = π×1^2×3

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A line that includes the point (4,7) has a slope of 1. What is its equation in slope-intercept form?​
Anni [7]

Answer:

y = x + 3

Step-by-step explanation:

slope intercept form: y = mx + b

slope is given: 1

(x, y) is given: (4, 7)

plug in values and solve for b:

7 = (1)(4) + b

b + 4 = 7

b = 3

rewrite equation:

y = 1x + 3

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4 0
3 years ago
Need help please asappppp!!!!
Ivenika [448]

Answer:

40

Step-by-step explanation:

Angles in a circle add up to 360 degrees.

135 + 145 + x + x = 360

280 + 2x = 360

2x = 80

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5 0
3 years ago
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Which number is irrational, an integer and a real number?
larisa86 [58]
Hello!

If a number is irrational it is not an integer but could be a real number. But since a number cannot be both irrational and an integer, our answer is D) there is no such number.

I hope this helps!
8 0
3 years ago
4h−13=−9h <br><br> What is the value of h?
asambeis [7]

Answer:

h=1

Step-by-step explanation:

4h=9h+13 ->changes sides so sign changes

4h+9h=13 ->normal adition

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h=1

5 0
2 years ago
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How many solutions ?
sergey [27]
Y = n
y = x^2 + n
n > 0
since there are 2 equations equal to y, set them equal to each other and solve.
n = x^2 + n
Subtract n from both sides.
0 = x*2
Take the square root of both sides.
x = 0
5 0
3 years ago
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