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RoseWind [281]
3 years ago
10

A sixth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than g

rading 36 homework assignments in 30 minutes?
Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0
Faster cause he grading 25 in 20 while the other is grading 36 in 30.
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Please help in 15 min tysvm<br> !
Alexxx [7]

Answer:

1) 4.68 kiloliters

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Step-by-step explanation:

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3 years ago
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How to find Co factor of elements of Determinant​
Sophie [7]

Answer:

Step-by-step explanation:

We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get. Now subtract the value of the second diagonal from the first, i.e, 48 – 3 = 45. Check the sign that is assigned to the number

6 0
2 years ago
By using the remainder theorem, determine the remainder when
Greeley [361]

Answer:

-123

Step-by-step explanation:

The remainder theorem says that when a polynomial is divided by a linear factor x - c (note the minus sign), the remainder is the value of the polynomial at x = c.

When a polynomial P(x) is divided by x - c, the remainder is P(c).  In other words, to find the remainder, plug in c for x.

You're dividing by x + 4 which is the same thing as x - (-4) -- the role of c is being played by -4.

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3 0
3 years ago
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Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Select three options. 6
Murljashka [212]

Answer:

the second one, ((6 x 5) x 4) +((5 x 4) x 2) = 160

the third one, ((7 x 6) x 4) + (6 x 4) x 2) = 216

the fourth one, ((8 x 4) x 4) + ((4 x 3) x 2) = 152

Step-by-step explanation:

7 0
3 years ago
Tangent line of f(x) = sec x @ (pi/3, 2)
Dmitry_Shevchenko [17]
The derivitive of sec(x) is sec(x)tan(x)

find the slope at pi/3

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sec(x)tan(x) at x=pi/3 is 2√3

for slope=m and a point is (x1,y1)
the equation is
y-y1=m(x-x1)
slope=2√3
point=(pi/3,2)

equation is
y-2=2√3(x-pi/3)
3 0
3 years ago
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