What's the answer to these questions

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Answer 1

Answer: 6. The zeros are where the quadratic intersects the x axis
(3,0) and (-3,0)
7. 12n-15=7n+35
-7n +15 -7n +15
5n=50
n=10
8. will answer in the morning

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7X+10y=4 in slop intercept form

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Slope-Intercept form is the equation of a line where it is solved for y. So, to put this into Slope-Intercept form you need to solve it for y.

7x + 10y = 4 Subtract 7x from both sides
10y = -7x + 4 Divide both sides by 10
y = - $(7)/(10)$ x + $(4)/(10)$ Simplify if you can
y = - $(7)/(10)x$ + $(2)/(5)$

a spherical fountain il has a radius of 1.5 feet. find the volume of the fountain to the nearest tenth of a cubic foot

Answers

The volume of a sphere is given by the formula V = (4/3)πr^3, where r is the radius of the sphere.

Substituting the given value of r = 1.5 feet, we get:

V = (4/3)π(1.5)^3

V ≈ 14.1 cubic feet (rounded to the nearest tenth)

Therefore, the volume of the spherical fountain is approximately 14.1 cubic feet.

help please !!!Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice that is 40% lemon juice and 60% lime juice to make 6 gal of the 50% lemon/50% lime juice mixture?

Answers

so basically, he wants to make mixture where lemon=lime

it is 6 gallons so
40% of 6=0.4 times 60=2.4=lemon
60% of 6=0.6 times 60=3.6=lime
so to make them equal
3.6-2.4=1.2
he must add 1.2 gallons of 100% lemon juice to make a mixture of 50% lemon and 50% lime

1.2 gallons is the answer

Question: Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice that is 40% lemon juice and 60% lime juice to make 6 gal of the 50% lemon/50% lime juice mixture?

Answer: 1 Gallon

HELLPP WORTH 20 POINTS ✨

Answers

Answer:

it's radius is 9 and diameter is 18

Answer:

diameter=18cm

radius =diameter/2=18/2=9cm

The distance from London to Manchester is 199.9 what is this to the nearest 10 miles?

Answers

200 miles (199.9 is only 0.1 away from 200 but 9.9 away from 190)
SO it is 200

Andrew stays in shape by running various distances throughout the week. On monday he ran 3 miles on tuesday he ran 4.6 on thrusday 6.76 and on saturday he runs 4.8 miles. What is the mean distance that andrew runs per day