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Makovka662 [10]
3 years ago
6

Select all statements that show correct reasoning for finding 15 ÷ 2/9 * Multiply 15 by 2, then divide by 9. Multiply 15 by 9, t

hen divide by 2. Multiply 15 by 1/9, then multiply by 2. Multiply 15 by 9, then multiply by 1/2
Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

Answer:

Multiply 15 by 9, then divide by 2.

Step-by-step explanation:

We need to solve the given expression.

15\div \dfrac{2}{9}

We know that, a\div \dfrac{b}{c}=a\times \dfrac{c}{b}

We have,

a = 15, b = 2 and c = 9

So,

15\div \dfrac{2}{9}=15\times \dfrac{9}{2}\\\\=\dfrac{15\times 9}{2}\\\\=\dfrac{135}{2}\\\\=67.5

So, the steps are "Multiply 15 by 9, then divide by 2".

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A farmer owns a total of 10 acres of land. The land is separated into 43 equally sized sections. How many acres are in each sect
Pepsi [2]

Answer:

\frac{10}{43} acres

Step-by-step explanation:

Divide 10 by 43:

10/43

In simplest form as a fraction, this is \frac{10}{43}

So, each section would have \frac{10}{43} acres

4 0
3 years ago
Read 2 more answers
On Monday, Jackie bought 5 1/2 kg of bird seed. She used 2 2/3 on her blue jays and 1/4 for her wrens. How many kilograms of bir
nadya68 [22]

Answer:

4 18/12 - (2 8/12+ 3/12)= 2 7/12

Step-by-step explanation:

First you want to know that you want to subtract the bird seed Jackie got (2 2/3 and 1/4) by the total Jackie bought (5 1/2).

Now set up the equation as 5 1/2 - (2 2/3+ 1/4). Now you need to realize that the fractions are not the same and need to be changed to similar denominators. 2 can be changed to any even denominator so it matters less to what we change it to, so let's focus on the bird seed Jackie used and convert it. 2/3 and 1/4 can be changed into 12's so multiply on the numerator and denominator to get these values. 2/3 would then become 8/12 and 1/4 would become 3/12. 1/2 would then also become 6/12.

Now that we have changed the fractions you want to change the expression to 5 6/12 - (2 8/12+ 3/12). Now add the values in the parentheses to get 5 6/12 - (2 11/12). Now to make this easier add more 12's to 5 6/12 by putting it to 4 18/12. the new equation will be 4 18/12 - 2 11/12, finally subtract from from the same types of numbers: 4-2= 2 18/12-11/12= 7/12. The answer would be 2 7/12.

3 0
4 years ago
Er uvay, vvildt is your average velocity!
timurjin [86]

The acceleration of the fire truck is 1.666 m/s².

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

Acceleration is the measure of change in velocity with respect to time. So as the initial velocity of the fire truck is given as 0 km/hr and the final velocity is given as 66 km/hr. So at first the truck is at rest and on switching on the engine, the truck gets to the velocity of 66 km/hr in 11 seconds.

        \text { Acceleration }=\frac{\text {Change in velocity}}{\text {time}}

But first the units of velocity should be changed from km/hr to m/s

1 hour = 3600 seconds

1 km = 1000 m

So, 66\ {k m}{h r}=\frac{66 \times 1000}{3600} m / s

Converted Velocity = 18.33 m/s

Then, the acceleration will be

\text { Acceleration }=\frac{18.33-0}{11}

Acceleration = 1.666 m/s²

So, the acceleration of the fire truck is 1.666 m/s².

5 0
4 years ago
Sketch a graph that shows the relationship between
STALIN [3.7K]

Answer: 98g

Step-by-step explanation:Given relationshipSalt    >>  Honey  >> Flour10      >>  14          >> 425     >>  35        >> 10It is easy to determine that the relationship is:14/10 = 35/25 = 1.4y = 1.4x, where y- honey and x- saltIf x = 70, then y is:y = 1.4*70 = 98 g

5 0
3 years ago
Please help me I really need this answer.
Sindrei [870]
Reduce planning cycle times, optimize operational plans and forecast accurately. Have Interactive Content, Dynamic Reporting, Guided Experience, and Automatic Recommendations. Hopes this helps like you helped me :D
8 0
4 years ago
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