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Artyom0805 [142]
3 years ago
13

6. You need at least 30 cubic feet of sand to fill a sand box. Each bag

Mathematics
1 answer:
White raven [17]3 years ago
7 0
It would be 3 cubic feet……………..
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H(x)=4/x-5<br> What is the domain of h?
Inga [223]

Answer:

domain: (-∞, 5)∪(5, ∞)

domain in interval form: {x|x ≠ 5}

4 0
3 years ago
Find the standard form of the equation of the parabola with a focus at (7, 0) and a directrix at x = -7.
Alecsey [184]

<u><em>Answer:</em></u>

y^2 = 28x

<em><u>Step-by-step explanation:</u></em>

Since the directrix is horizontal, use the equation of a parabola that opens left or right.

(y−k)^2 = 4p(x−h)

Find the vertex.

(0,0)

Find the distance from the focus to the vertex.

p = 7

Substitute in the known values for the variables into the equation

(y−k)^2 = 4p(x−h).

(y−0)^2 = 4(7)(x−0)

Simplify.

<em>y^2 = 28x</em>

7 0
3 years ago
Read 2 more answers
HELP ASAP PLEASE!!!!!!
devlian [24]
A = (2+9)/2

a = 11/2

a = 5.5

__________________

b = (4+4)/2

b = 4

__________________

d = √(9-2)²+(4-4)²

d = √7²+0²

r = 3,5


____________________

(x-a)² + (y-b)² = r²

(x-5.5)² + (y-4)² = 3,5²

(x-5.5)² + (y-4)² = 12.25
5 0
3 years ago
Read 2 more answers
2.1.43 A particular hybrid car travels approximately 235 mi on 5 gal of gas. Find the amount of gas required for a 705-mi trip.
o-na [289]

Answer: 15 gallons of gas is required for a 705 miles trip.

Step-by-step explanation:

Since we have given that

Number of miles in a trip = 235 miles

Number of gallon of gas is needed = 5

We need to find the amount of gas required for 750 miles trip.

Since there is direct variation, as for increase in number of miles, amount of gas must be increased.

According to question, it becomes,

\dfrac{235}{5}=\dfrac{705}x}\\\\47=\dfrac{705}{x}\\\\47x=705\\\\x=\dfrac{705}{47}\\\\x=15\ gallons

Hence, 15 gallons of gas is required for a 705 miles trip.

7 0
3 years ago
Help please I need help
Katarina [22]
The answer should be 20
4 0
3 years ago
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