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creativ13 [48]
2 years ago
14

On a piece of paper, graph y= -2x-3. Then determine which answer matches the graph you drew.

Mathematics
1 answer:
DerKrebs [107]2 years ago
6 0
The correct answer is C !!
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Please help!!!!!!! How many inches would a point on the outer edge of the large gear travel in a 150º rotation? (The gear has a
damaskus [11]
In a full rotation, 360°, a point on the edge of a gear would travel a distance equal to its circumference.  The circumference of a circle is:

C=2πr, and since we are only traveling 150°, we need to set up an appropriate ratio for circumference to the distance the point travels:

d/C=150/360

d=5C/12 and since C=2πr

d=10πr/12

d=5πr/12, and since r=4in

d=5*4π/12 in

d=20π/12 in

d=5π/3 in

d≈5.24 in (to nearest hundredth of an inch)
4 0
3 years ago
Describe the nature of the roots for the equation<br> 49x2– 28x +4 = 0
Zepler [3.9K]

Answer:

The roots of the equation is real and repeated

Step-by-step explanation:

Here, we want to describe the nature of the roots of the given quadratic equation

To get the nature of the roots, we find the discriminant of the equation

The discriminant is;

b^2 - 4ac

In this case, b = -28 , a = 49 and c = 4

The discriminant is thus;

-28^2 - 4(49)(4)

= 784 - 784 = 0

Since the discriminant is zero, this means that the quadratic equation has real roots which are the same

6 0
2 years ago
A water tanks can hold 234 cubic feet of water.How many gallons can the water tank hold
Veseljchak [2.6K]

1 cubic foot has 7.48 gallons of water.

Volume of water tank = 234 cubic feet

So, the number of gallons are = 234\times7.48=1750.32

Hence, the water tank can hold 1750.32 gallons of water.

4 0
3 years ago
Three shirts cost $9.99. How much does it cost for 8 shirts?
Olegator [25]

Answer:

Step-by-step explanation:

Mines came up as 79.78 but ion think that’s right

5 0
3 years ago
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How many hours are 260 minutes
JulijaS [17]
4 hours for short or 4.333 hours
8 0
3 years ago
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