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Jobisdone [24]
3 years ago
11

1A. Jennifer bought some packs of pencils. Each pack has 9 pencils. Jennifer

Mathematics
1 answer:
iris [78.8K]3 years ago
6 0
The answer is A. The only multiple of 9 that is between 70 and 80 is 72. 72 divided by 9 equals 8.
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What is 1/8 divided by 2
slavikrds [6]
When dividing 1/8 by 2
we have to first take the reciprocal of 2 
reciprocal is when the numerator and denominator are exchanged
2 when written as a fraction is \frac{2}{1}
we need to find the reciprocal of \frac{2}{1} which is \frac{1}{2}
then 
\frac{1}{2} of \frac{1}{8}
when 'of' function is used it means to multiply the 2 fractions 
when multiplying fractions multiply the numerators by numerators and multiply denominators by denominators 
is \frac{1}{2} * \frac{1}{8} =  \frac{1}{16}
answer is \frac{1}{16}

4 0
3 years ago
Read 2 more answers
What is the total area of the shape?<br><br> A 35 cm?<br> B 100 cm?<br> C 70 cm?<br> D 50 cm?
Vesnalui [34]

Answer:

C. 70 cm

Step-by-step explanation:

Split all the shapes, so, the square would be:

4 × 10 = 40

---------------------------------------------------------------------------------------------------------------

Each triangle has an area of 7.5:

7.5 × 4 = 30

---------------------------------------------------------------------------------------------------------------

30 + 40 = 70

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Have a good day :)

4 0
3 years ago
Read 2 more answers
Evaluate each expression.
Kitty [74]
The fraction form is 125/343

the decimal form is 0.36
8 0
2 years ago
Read 2 more answers
. Write an equation for the line parallel to y = 7x + 11 that contains P(-5, 7).
m_a_m_a [10]
A) x – 7 = -7(6y + 5)

x – 7 = -42y + -35

x – 7 + 35 = -42y

x + 28 = -42y

y = (1/42)x – 14/21

c) y – 7 = 7(x + 5)

y – 7 = 7x + 35

y = 7x + 42

b) y – 7 = -7(x + 5)

y – 7 = -7x -35

y = -7x – 28

d) y + 7 = 7(x + 5)

y + 7 = 7x + 35

y = 7x + 28
3 0
3 years ago
Suppose your waiting time for a bus in the morning is uniformly distributed on [0, 8], whereas waiting time in the evening is un
ycow [4]

Answer:

41/3

Step-by-step explanation:

given that your waiting time for a bus in the morning is uniformly distributed on [0, 8], whereas waiting time in the evening is uniformly distributed on [0, 10] independent of morning waiting time.

Sum of both waiting times = X+Y

Where X = morning wait time is U(0.8) and

Y = evening wait time is U(0,10)

Since X and Y are independent

Var(x+y) = Var(x)+Var(y)

Var(x) = \frac{8^2-0^2}{12} \\=\frac{16}{3}

Var(Y) = \frac{10^2-0^2}{12} \\=\frac{25}{3}

Var(x+y) \frac{16+25}{3} \\=\frac{41}{3}

5 0
3 years ago
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