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Genrish500 [490]

4 years ago

5

Mary ran miles on Monday. On Wednesday, she ran times as far as she ran on Monday. Which best describes how far Mary ran on Wedn

esday? A:Mary ran less than 1 1/3 miles B:Mary ran 1 1/3 miles. C:Mary ran 3 1/2 miles. D:Mary ran more than 3 1/2 miles.

1 answer:

Ad libitum [116K]4 years ago

7 0

Answer:

How many miles?

Step-by-step explanation:

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HURRY PLEASE!! Evaluate the expression below.

tatuchka [14]

Answer:

A

Step-by-step explanation:

Given

20 - || - 13 | + 17 |

Note the absolute value function always returns a positive value, that is

| - a | = | + a | = a, thus

= 20 - | | - 13 |+ 17 |

= 20 - | 13 + 17 |

= 20 - | 30 |

= 20 - 30

= - 10 → A

6 0

3 years ago

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Please help!<br><br> Find the product AB, if possible. Explain if it's not possible.

soldi70 [24.7K]

Answer: c

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

When multiplying matrices, multiply ACROSS with the left matrix and DOWN with the right matrix.

$\text{Example}:\left[\begin{array}{cc}a&b\\c&d\end{array}\right] \times \left[\begin{array}{c}x\\y\end{array}\right] =\left[\begin{array}{c}ax+by\\cx+dy\\\end{array}\right]$

$\left[\begin{array}{cc}5&2\\3&-1\end{array}\right] \times \left[\begin{array}{c}2\\3\end{array}\right] =\left[\begin{array}{c}5(2)+2(3)\\3(2)-1(3)\\\end{array}\right] = \left[\begin{array}{c}16\\3\end{array}\right]$

8 0

3 years ago

Replace A with a number to make A/24 ≥ 1/4 a true statement.

antiseptic1488 [7]

Answer:

B. 7

Step-by-step explanation: 6/24= 1/4 so 7/24>1/4

7 0

3 years ago

Exhibit 13-3 To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been r

marta [7]

Answer:

a. 1.059

Step-by-step explanation:

Test statistics is used in hypothesis testing to find the conclusion. Test statistics are T-values which are used in testing a hypothesis and deciding whether to accept or reject the null hypothesis.

Test statistics can be calculated with the following formula:

Z = x - u / s / $\sqrt{n}$

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3 years ago

What is the answer to this?

Liula [17]

I think it's
3 1/2
729 1/6

6 0

3 years ago