2 years ago

Pls help me with this

Mathematics

1 answer:

3241004551 [841]2 years ago

8 0

Answer: D 1 and 5/72 sq ft

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One type of plant root splits 44 times while growing in the ground. The number of new roots after each split can be modeled by t

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2 years ago

Javier has a basket of oranges and apples. The number of oranges is 2 more than twice the number of apples in the basket. The di

Soloha48 [4]

O=2a+2,

o/2-a/2=4 this is your system of equations,

It you wish to solve for apples, then simply substitute o from the first equation into the second equation...

(2a+2)/2-a/2=4 multiply both sides of the equation by 2

2a+2-a=8 combine like terms on the left side

a+2=8 subtract 2 from both sides

a=6

So Javier has 6 apples in the basket.

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2 years ago

A plumber charges $30 for a service call and an additional $25 per hour. Write an equation in slope-intercept form to represent

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Step-by-step explanation:

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2 years ago

Use the quadratic formula to solve x2 + 9x + 10 = 0.<br> What are the solutions to the equation?

vampirchik [111]

Answer:

$\large\boxed{x=\dfrac{-9\pm\sqrt{41}}{2}}$

Step-by-step explanation:

$\text{The quadratic formula of}$

$ax^2+bx+c=0$

$\text{If}\ b^2-4a0,\ \text{then the equation has two solutions}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\=========================================$

$\text{We have}\ x^2+9x+10=0\\\\a=1,\ b=9,\ c=10\\\\\text{substitute:}\\\\b^2-4ac=9^2-4(1)(10)=81-40=41>0\qquad _{\text{two solutions}}\\\\\sqrt{b^2-4ac}=\sqrt{41}\\\\x=\dfrac{-9\pm\sqrt{41}}{2(1)}=\dfrac{-9\pm\sqrt{41}}{2}$

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2 years ago

Read 2 more answers

What are the length and width of the rectangle?<br> (picture included)

Marianna [84]

Answer:

a or c

Step-by-step explanation:

I don’t know ask for help sorry don’t blam this on me

6 0

2 years ago

Pls help me with this​

Pls help me with this