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Marrrta [24]
3 years ago
6

0. Kevin needs to buy shrubs for his yard. Six shrubs at the nursery cost $72.00. At the garden

Mathematics
2 answers:
Elanso [62]3 years ago
7 0

Answer:

72÷6=12

so at the nursery it cost $12 per shrub

66÷6=11

so at the store it cost $11 per shrub

so if you buy 21 shrubs from the nursery it will cost: 12×21=$252

but if you buy 21 shrubs from the store it only cost: 11×21=$231

$252-$231=$21

andreyandreev [35.5K]3 years ago
4 0
He saves $21 if he buys 21 shrubs from the garden store compared to if he had bought them at the nursery.

Hope this helps :)
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tatyana61 [14]

Answer:

First, I think the right formula is:

V(t) = 100,000(1-\frac{t}{60} ),20\leq t\leq 60

A) We first derive the formula given above:

V'(t)=-\frac{100000}{60}

V'(t) represent the drain rate of the tank volume.

B) the units is: gallons/time

C) at V'(10) = 100000/60 = 1666.66 gallons/time.

because the formula V'(t) is constant so it doesn't depend of time.

5 0
3 years ago
What would the first step be in solving the inequality: -y (less than or greater than sign) 136
Alex73 [517]

"-y (less than or greater than sign) 136" translates into two separate inequalities:


-y < 136 and -y > 136.


You want to solve for y in each case. To do this, multiply each inequality by "-1" and then immediately change the direction of the inequality sign.


For example: -1(-y < 136) => y > -136.

5 0
3 years ago
What is the value of x? 
Marrrta [24]
I dont know i just want coins lol
plus i just dont know

3 0
3 years ago
What is the value for 3-2m&lt;7
exis [7]

Answer:

m>−2

Step-by-step explanation:

3-2m<7

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3 0
2 years ago
A dome-shaped structure is in the shape of a half-sphere. The diameter of the dome is 30 yards long, as shown below. What is the
Akimi4 [234]

Answer:

7068.58 yd³

Step-by-step explanation:

A half sphere would use the normal equation for the volume of a sphere and then divide it by two. The first step would be to find the radius of the sphere, which is half the diameter.

d=30 yd

r=d÷2

r = 30 yd÷2

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Next, we need to use the volume of a sphere equation to find the volume of the full sphere.

V = 4×π×r³÷3

V = 4×π×15 yd³÷3

V = 4×π×3375 yd³÷ 3

V = 13500π yd³ ÷ 3

V = 4500π yd³

Next, we need to find the volume of the dome by dividing by 2.

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V = 7068.58 yd³

The total volume of the dome is 7068.58 yd³

4 0
3 years ago
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