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Snezhnost [94]
3 years ago
9

Which frequency table shows the test times (in minutes) for a reading test?

Mathematics
2 answers:
Bingel [31]3 years ago
7 0
Check the test times again.  None of the tables match the test times.
Naily [24]3 years ago
3 0

In case the given numbers are :

81 63 61 58 72 70 79 68 82 64 54 82 72 63 64 76 57 64 73 58

we have :

50-59 , frequency is 4 (58, 54, 57, 58)

60 - 69, frequency is 7 ( 63, 61, 68, 64, 63, 64, 64)

70 - 79, frequency is 6 (72, 70, 79, 72, 76, 73)

80-89, frequency is 3 (81, 82, 82)

So correct option which matches the above data is option second.

Answer is table number two.


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How to factor a trinomial x^2+11x+19
Tresset [83]

Answer:

this trinomial is prime, and cannot be factored.

Step-by-step explanation:

when expanding the equation, you multiply the last term by the first term's coefficient, and then find two factors that multiply to that product, and sum to the middle coefficient.

1 * 19 = 19

there are no factors that will multiply to 19 and sum to 11. thus, this polynomial is prime.

4 0
3 years ago
Write the equation, in standard form, for the following relation. B = {(x, y ): (2, 3), (4, 4), (6, 5), . . .}
Rashid [163]
(2,3)(4,4)
slope = (4 - 3) / (4 - 2) = 1/2

y = mx + b
slope(m) = 1/2
(2,3)...x = 2 and y = 3
sub and find b, the y int
3 = 1/2(2) + b
3 = 1 + b
3 - 1 = b
2 = b

ur equation is : y = 1/2x + 2...but we need it in standard form

y = 1/2x + 2
-1/2x + y = 2 ...multiply by -2
x - 2y = -4 <== standard form
8 0
3 years ago
This mapping shows a functional relationship.
Dmitriy789 [7]

Answer:

Step-by-step explanation:

3 0
3 years ago
Part A The measure of ∠AFC is 120°, and the measure of ∠BFC is 95°. Which equation can you use to find the measure of ∠AFB? 120°
aev [14]

Answer:

x = 120-95

Step-by-step explanation:

The correct equation for the expression is:

∠AFC = ∠AFB+ ∠BFC

Given that

∠AFC = 120°

∠BFC = 95°

Substitute

120= ∠AFB+95

∠AFB = 120-95

If ∠AFB = x

The required equation will be:

x = 120-95

3 0
2 years ago
Two friends shop for fresh fruit. Jackson buys a watermelon for $6.45 and 4 pounds of cherries. Tim buys a pineapple for $4.25 a
vaieri [72.5K]
Your answer is 6.45+ p = 6.45p
4 0
2 years ago
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