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Svetradugi [14.3K]
2 years ago
12

Write an equation of the parabola in intercept form that passes through (-2, 0.05) with x-intercepts of -7 and -3

Mathematics
1 answer:
irina1246 [14]2 years ago
4 0

Answer:

1/100(x+7)(x+3)

Step-by-step explanation:

Point: (-2 , 0.05)  X intercepts: -7 and -3

Format: y = a( x + x-intercept )( x + x-intercept )

0.05 = a( -2 + 7 )( -2 + 3 )

0.05 = a( 5 )( 1 )

0.05 = 5a

0.05/5 x 100 = 5/500 = 1/100

a = 1/100

1/100(x+7)(x+3)

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Calcola l'area di un rombo sapendo che il perimetro è 160 cm è la sua altezza misura 38,4 cm​
AURORKA [14]

Answer:

41,6 cm

Step-by-step explanation:

Formula for Perimeter of a rhombus:  P = 2L + 2H (H is the height, L the length)

Perimeter:  160 cm = 2L + 2(38,4 cm), or

160 cm + 76.8 cm + 2L, or

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3 years ago
Andrew has three times as many pencils as Noah and five pens he has 17 pens and pencils altogether how many pencils does Noah ha
Novay_Z [31]

9514 1404 393

Answer:

  4

Step-by-step explanation:

The distributive property does not appear to be involved in this question.

Let n represent the number of Noah's pencils. Then Andrew's total is ...

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7 0
2 years ago
I need your help again guys!
solmaris [256]

ANSWER

x = 13

EXPLANATION

Use the Pythagoras Theorem to obtain,

{x}^{2}  =  {12}^{2}  +  {5}^{2}

This implies that,

{x}^{2}  = 144 + 25

{x}^{2}  = 169

Take the positive square root of both sides to get,

x =  \sqrt{169}

x = 13

8 0
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Answer:

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