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Vladimir [108]
3 years ago
6

Two things: first, who invented the calculator? Second, just wanted to let everyone know that I'm online. Can help with a wide v

ariety of things, but when it comes to math, I can only help with algebra 1 and simple geometry and below (pre algebra, 7th grade math, 6th grade math, 5th grade math, etc.) I'm also great most other subjects
Mathematics
2 answers:
atroni [7]3 years ago
7 0
Hi there!

The first calculator that could add and subtract numbers was invented by Blaise Pascal in 1642.

Hope this helps!
denis23 [38]3 years ago
4 0
Blaise Pascal invented the calculator
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Need help with graphing
astraxan [27]
Plot these points
vertex: (-4,-7)
x intercepts: (-5.5,0), (-2.5, 0)
and those two other points
the graph should look something like this:

3 0
3 years ago
3691 as a rational number3691 as a rational number
charle [14.2K]

Answer:

Yes its a rational number

Step-by-step explanation:

4 0
3 years ago
Jaime bought 5 pairs of baseball pants for $127.90. About how much was the cost of one pair of baseball pants? A. $25.00 B. $26.
Yakvenalex [24]
B.26.00 Because if you divide 127.90 by 5 you will 25.58 and you round that up to 26.00
3 0
3 years ago
Help please!!!!!!!!!!
Scorpion4ik [409]

Answer:

H. 1/9.

Step-by-step explanation:

The area of a circle is calculated by solving for πr^2.

The smallest circle has an area of π1^2 = π * 1 = π.

The middle ring will then have an area of π2^2 - π = π * 4 - π = 4π - π = 3π.

The largest ring will then have an area of π3^{2} - π2^{2} = 9π - 4π = 5π.

5π + 3π + π = 9π

So, the probability of hitting the innermost circle will be π / 9π = 1 / 9.

Your answer is H. 1/9.

Hope this helps!

7 0
3 years ago
Create 5 problems that equal to 100. You could create expressions and/or word problems. Include concepts learned in this school
tester [92]

Answer:

[{(-15+30)x4+40] / 1/2}2

Step-by-step explanation:

sorry this is only one, but this is the steps

1.  -15 + 30 = 15

2.  15x4 = 60

3.   60 + 40 = 100

4.   100 / 1/2 = 50

5.   50 x 2 = 100

sorry if this is incorrect, but I hope this helps ;-}

6 0
3 years ago
Read 2 more answers
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