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Anettt [7]
3 years ago
9

What is the vertex form for y=-3x^2+30x+7

Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0
X=-1/29 it’s divided the 1 /29
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Find the length of rhombus whose diogonals are length 12 cm and 16 cm​
grin007 [14]

In ΔAOD  (AD)  =(AO)

2+(OD)

2   =36+64    AD

2 =100

  AD= 100

=10cm

 Rhombus has all sides equal

AB = AD = BC = CD = 10 cm

7 0
3 years ago
Please tell me the answer! I'm crying in confusion! :(
Inessa [10]
First, change the fractions to a common denominator, which is 21. 

so 3/7 * 3/3  = 9/21

1/3 * 7/7 = 7/21

Add the two together

9/21 + 7/21 = 16/21

Then take 21/21 - 16/21 = 5/21

There is 5/21 of the pizza left.
6 0
3 years ago
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What additional piece of information must be known in order to calculate the volume of the cylinder below?
Brilliant_brown [7]

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π

Step-by-step explanation:

the formula is V = πr2h

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6 0
3 years ago
In the diagram of circle A, what is m angle LMN?<br> О 75°<br> O90°<br> О 120°<br> 135°<br> ОО
Jet001 [13]

Answer:

90

Step-by-step explanation:

Angle Formed Outside = 1/2(DIFFERENCE of Intercepted Arcs)

ARC LN = 360 - 270 =90

LMN  = 1/2(270 -90)

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3 0
3 years ago
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Someone help me please
kherson [118]

Answer:

I will just choosé the second one

Because it is possible to compare sizes In one triangle rather than comparing with another one which we don't reàlly know of its sizes.

4 0
3 years ago
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