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2 years ago

Pls helpppppppppppppppp

Mathematics

2 answers:

vredina [299]2 years ago

5 0

Answer: D

Each time a new row and a new column is added. The last pattern had 3 rows and 4 columns, so the next pattern will have 4 rows and 5 column.

7nadin3 [17]2 years ago

4 0

Answer:

yes the awnser is d I can approve of that

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Find the value of pq - r/4 when p= -8 and q= -3 and r= 68

andrey2020 [161]

Answer:

Step-by-step explanation:

pq - r/4

(-8)(-3) - 68/4

-8 x -3 = 24 (2 negatives equal a positive)

24 - 68/4

68/4 = 17

24-17 = 7

6 0

3 years ago

2. CO DEEPER) Franco played computer chess for 3 hours. Lian played

Galina-37 [17]

Answer: Franco played for 30 minutes longer than Lain.

Step-by-step explanation:

3 times 60= 180

180-150=30 minutes

4 0

3 years ago

7/9 in simplest form

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Find the GCD (or HCF) of numerator and denominator
GCD of 7 and 9 is 1Divide both the numerator and denominator by the GCD
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8 0

3 years ago

Read 2 more answers

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lesya [120]

Answer:

there is no difference

Step-by-step explanation:

3 0

2 years ago

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

7 0

2 years ago