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iris [78.8K]
3 years ago
9

Please help me with my homework.

Mathematics
1 answer:
QveST [7]3 years ago
8 0

Answer:

47.6 maybe?

Step-by-step explanation:

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Help what is the answer
Fittoniya [83]

Answer:2.3

Step-by-step explanation:

if t is trees and a is acers than

250t=.25*a

1000=a so 1000 trees can fit in his yard.

10t = 1000 sq ft

multiply the left side by 100

1000t=100000 sq ft

so there is 100000 sq ft in his yard

100000 sq ft/43560=answer≈2.3

6 0
3 years ago
ILL MARK BRAINLIEST ASAP IF CORRECT Write the equation of the quadratic function with roots -9 and and -3 and a vertex at (-6, -
Oduvanchick [21]

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h. k) are the coordinates of the vertex and a is a multiplier

here (h, k) = (- 6, - 1), thus

y = a(x + 6)² - 1

To find a substitute one of the roots into the equation

Using (- 3, 0), then

0 = a(- 3 +6)² - 1

0 = 9a - 1 ( add 1 to both sides )

1 = 9a ( divide both sides by 9 )

a = \frac{1}{9}, thus

y = \frac{1}{9}(x + 6)² - 1 ← in vertex form

Expand factor and simplify

y = \frac{1}{9} (x² + 12x + 36) - 1 ← distribute

y = \frac{1}{9} x² + \frac{4}{3} x + 4 - 1

  = \frac{1}{9} x² + \frac{4}{3} x + 3 ← in standard form

8 0
3 years ago
Can somebody answer the equation-1n+1=11
Natasha2012 [34]
I think that the answer is 8
if you want to check if it is right input 8 in place of b
5 0
3 years ago
Alvin is 7 years older than Elga. The sum of their ages is 97. What is Elga's age?
LenaWriter [7]

Elga's age = x

Alvin's age = x + 7

x + x + 7 = 97.

Simplify the left side of the equation

2x + 7 = 97.

Subtract 7 from each side

2x = 90.

Divide each side by 2

x = 45

Since x is equal to Elga's age, Elga is 45 years old

4 0
3 years ago
Please help and thank you so much in advanced
sdas [7]

x=18

y=-6

To find the x intercept, you would substitute the y with 0 and then solve for x.

To find the y intercept, you would substitute the x with 0 and solve for y.

Hope this helps braniliest please!

8 0
3 years ago
Read 2 more answers
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