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2 years ago

Question 1 : Identify the correct solution to the problem 9 x 4/7

Mathematics

2 answers:

Anna11 [10]2 years ago

8 0

Answer:

1) D

2) C

Step-by-step explanation:

1. D

9 * 4/7

36/7 = 5.14

5 1/7 = 7*5+1

35 + 1

36/7 = 5.14

2. C

6 * 3/8

18/8 = 9/4 =2.25

2 1/4 = 4*2+1

8 + 1

9/4 = 2.25

Hope this helps!

shutvik [7]2 years ago

5 0

Answer:

Question 1:

9×4/7 =5 1/7

Question 2:

6×3/8 = 2 1 /4

Step-by-step explanation:

Thats correct

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kipiarov [429]

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3 years ago

Read 2 more answers

30. Tina went to batting cages with $20. She rented a bat for $3. 25 and

aliya0001 [1]

Answer:

Step-by-step explanation:

Tina started with $20, but had to spend $3.25 on the bat.

$20-$3.25 = $16.75, which is all she has left for rounds.

Each round costs $3.00

$16.75 divided by $3.00 comes out to 5.58 rounds, but since she can't play 1/2 a round, that means she could only play 5 rounds

5 rounds X $3.00 per round comes to $15.00

8 0

3 years ago

number of bacteria in a certain population Increases according to a continuous exponential growth model with How many hours does

vladimir1956 [14]

Answer:

It takes 1.77 hours for the population to double.

Step-by-step explanation:

Equation for population growth:

The equation for population growth, after t hours, with a growth rate parameter of r, as a decimal, is given by:

$P(t) = P(0)(1+r)^t$

Growth rato parameter of 48% per hour

This means that $r = 0.48$ . So

$P(t) = P(0)(1+r)^t$

$P(t) = P(0)(1+0.48)^t$

$P(t) = P(0)(1.48)^t$

How many hours does it take the size of the sample to double?

This is t for which P(t) = 2P(0). So

$P(t) = P(0)(1.48)^t$

$2P(0) = P(0)(1.48)^t$

$(1.48)^t = 2$

$\log{(1.48)^t} = \log{2}$

$t\log{1.48} = \log{2}$

$t = \frac{\log{2}}{\log{1.48}}$

$t = 1.77$

It takes 1.77 hours for the population to double.

3 0

3 years ago

A sign in a bakery gives these options: • 12 cupcakes for $29 • 24 cupcakes for $56 • 50 cupcakes for $129 Find each unit price

crimeas [40]

Answer:

a) $2.44 per cupcake

b) $2.33 per cupcake

c) $2.58 per cupcake

Step-by-step explanation:

We are given the following in the question:

We have to calculate the unit price of the cupcakes.

Unit price =

$=\dfrac{\text{Total Cost}}{\text{Number of cupcakes}}$

12 cupcakes for $29

Unit price =

$=\dfrac{29}{12}=2.43\text{ Dollar per cupcake}$

24 cupcakes for $56

Unit price =

$=\dfrac{56}{24}=2.33\text{ Dollar per cupcake}$

50 cupcakes for $129

Unit price =

$=\dfrac{129}{50}=2.58\text{ Dollar per cupcake}$

3 0

3 years ago

In a right triangle the two sides are 10 and 5. find all possible values for the third side.

nikitadnepr [17]

Answer:

1. about 11.18

2. about 8.66

Step-by-step explanation:

1. 5^2 + 10^2= 125

square root of 125 equals about 11.18

2. 10^2-5^2=75

square root of 75 equals about 8.66

7 0

3 years ago