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Alinara [238K]
3 years ago
9

3x 10 in word phrase

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0
Thirty is the right anwser or 30
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Find 3 + (-9)
AURORKA [14]
9 is in parentheses therefore it's elevated above 3 that means you have to do operations on it first.
3 + (-9) = -6
The sum is negative.
4 0
3 years ago
What is 1 plus 2 plus 3.... plus 200?
Aneli [31]

Answer:

20100

Step-by-step explanation:

There are 200 numbers in this addition problem. To add this, we can do 1 + 200, 2 + 199, 3 + 198 and so on. All of these pairs have a sum of 201 and since there are 200 / 2 = 100 pairs the answer is 201 * 100 = 20100.

6 0
3 years ago
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Identify the vertex and axis of symmetry of the graph of g(x) = |x|- 8
Andrews [41]
The vertex is (0,-8)
im not sure about axis of symmetry but i don’t think it has one
7 0
3 years ago
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To prove that ΔAED ˜ ΔACB by SAS, Jose shows that StartFraction A E Over A C EndFraction = StartFraction A D Over A B EndFractio
Ira Lisetskai [31]

Answer:

A on Edg.

Step-by-step explanation:

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5 0
3 years ago
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What is the surface area of cone below Diameter AB=21 and distance from B to C =36
Vesnalui [34]

Answer:

1533.88261311522

Step-by-step explanation:

<em>Let r be the radius of the (base/circle)</em>

<em>and  L be the slant height of the cone</em>

<em>Formula ………………………………………………………………………………………………………</em>

The surface area of a cone = the (curved/lateral) surface area +  the base

                                             =\pi r^{2}\ \ \ +\ \ \ \pi Lr

=========================================

r=\frac{21}{2} =10.5

L = BC = 36

\text{surface area} =\pi \left( 10.5\right)^{2}  +\pi \times 36\times \left( 10.5\right)

                   =346.360590058275 + 1187.52202305694

                   =1533.88261311522

6 0
2 years ago
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