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Travka [436]
3 years ago
11

The temperature in a greenhouse should be 66 degrees or higher. One​ morning, the heater stopped working. The temperature droppe

d 2 degrees before someone fixed the heater. The temperature was still at least 66 degrees when the heater started working again. How can you best describe the temperature in the greenhouse before the heater stopped​ working?
The temperature in the greenhouse was at least (answer) degrees before the heater stopped working.

Please answer ASAP!
Mathematics
1 answer:
erastova [34]3 years ago
8 0

Answer:

The temperature in the greenhouse was at least 68 degrees before the heater stopped working.

Step-by-step explanation:

It was at 68 then it dropped by 2 degrees.

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Solve the system 2x+4y=16 5x +3y=19 then find the value of y/x
AURORKA [14]

Answer:

I would change 2x+4y=24 into x=12–2y

To do that, divide both sides by 2 and then subtract 2y on each side.

After that, substitute for x. 3x+2y=19 would become 3(12–2y)+2y=19.

Then solve.

3(12–2y)+2y=19

36–6y+2y=19

-4y+36=19

-4y=-17

y=4.25

Then, substitute y in either equation.

Either this:

3x+2y=19

3x+2(4.25)=19

3x+8.5=19

3x=10.5

x=3.5

Or:

2x+4y=24

2x+4(4.25)=24

2x+17=24

2x=7

x=3.5

Or you could solve it in the equation you created in the beginning:

x=12–2y

x=12–2(4.25)

x=12–8.5

x=3.5

The coordinates where the lines intercept are (3.5, 4.25).

Sorry for the long answer!

4 0
3 years ago
A kitchen sink has a volume of 1800 cubic inches.What is the volume of a similar sink that is larger by a scale factor of 2
bonufazy [111]

Answer:

14400 cubic inches.

Step-by-step explanation:

Let l, b and h are length, breadth and height of a cuboid respectively, then

V=l\times b\times h

If another cuboid is larger by a scale factor of k, then kl, kb and kh are length, breadth and height of new cuboid respectively.

V_1=kl\times kb\times kh

V_1=k^3(l\times b\times h)

V_1=k^3V       ...(i)

It is given that a kitchen sink has a volume of 1800 cubic inches and a similar sink is larger by a scale factor of 2.

Substitute k=2 and V=1800 in equation (i).

V_1=2^3(1800)

V_1=14400

Therefore, the volume of required sink is 14400 cubic inches.

7 0
3 years ago
How do you determine the net force of an object?
Dvinal [7]

Answer:

you determine net force of an object by using this formula:

F=M×A or force=mass×acceleration

really hope this helps:)

5 0
3 years ago
Which length is equal to 4 yards 3 feet?
Mkey [24]

Answer:

12

Step-by-step explanation:

5 0
3 years ago
Solve for x in the diagram below.
Kryger [21]

8x+30=110

8x=110-30

8x=80

x=80/8

x=10

6 0
3 years ago
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