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inn [45]
3 years ago
6

Review

Mathematics
1 answer:
garri49 [273]3 years ago
4 0

Answer:

1.32

Step-by-step explanation:

we have the known,

2.13 km * 0.6214 miles = 1.323521 or 1.32 miles

                      1 km  

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(08.06 MC)
const2013 [10]

Answer:

  (3.5, 17)

Step-by-step explanation:

It would be nice to see the whole graph, so we can see where the functions cross.

Without that information, we can still eliminate unreasonable choices.

A) the quadratic at y=3.5 is well above the exponential

B) the most likely choice (3.5, 17)

C) at x=-8, the quadratic is above the exponential

D) neither graph goes anywhere near y = -8

8 0
4 years ago
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Write the equation of the line passing through the point (2,−1)(2,−1) with a slope of −3−3
Sav [38]

Answer:

y = -3x + 5

Step-by-step explanation:

point-slope formula: y-y1 = m(x-x1)

y-(-1) = -3(x-2)

y+1 = -3x + 6

y = -3x + 5

7 0
3 years ago
Micaela bought eight containers of dried cherries for $56. How many containers of dried cherries can Brenda buy if she has $28?
klio [65]

Answer:

56÷8=7

28÷7=4

Brenda can but 4 containers of dried cherries

5 0
3 years ago
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If a = 9 and b = 4, what is the value of 2a<br> -b?
Thepotemich [5.8K]

Answer:

14

Step-by-step explanation:

2(9)-4=14

4 0
3 years ago
Please help! Correct answer only, please! Consider the matrix shown below: Find the determinant of the matrix Q. A. -67 B. -65 C
Nonamiya [84]

Answer:  d) 67

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

determinant\ \left[\begin{array}{ccc}a&b&c\\d&e&f\\g&h&j\end{array}\right] = a\cdot det\left[\begin{array}{cc}e&f\\h&j\end{array}\right] -\ b\cdot det\left[\begin{array}{cc}d&f\\g&j\end{array}\right] +\ c\cdot det\left[\begin{array}{cc}d&e\\g&h\end{array}\right]

determinant\ \left[\begin{array}{ccc}2&3&4\\-3&2&1\\5&-1&6\end{array}\right] \\\\\\= 2\cdot det\left[\begin{array}{cc}2&1\\-1&6\end{array}\right] -\ 3\cdot det\left[\begin{array}{cc}-3&1\\5&6\end{array}\right] +\ 4\cdot det\left[\begin{array}{cc}-3&2\\5&-1\end{array}\right]\\\\\\=2[2(6)-1(-1)]-3[-3(6)-1(5)]+4[3(-1)-2(5)]\\\\\\=2(13)-3(-23)+4(-7)\\\\\\=26+69-28\\\\\\=\large\boxed{67}

8 0
4 years ago
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