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3 years ago

Does anyone know what to do? I’m confused on this please explain step by step

Mathematics

2 answers:

Zina [86]3 years ago

8 0

Answer:

You need to know the conversion between the different units

1 ml is equivalent to 0.001 litres

so therefore, 40,000 litres would be 40 litres

12345 [234]3 years ago

5 0

Answer:

40,000 ml = 40 liters

Step-by-step explanation:

1,000 ml = 1 liter

40,000/1,000 = 40 liters

hope this helps

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At a given time of the day, the ratio of the height of an object to the length of its shadow is the same for all objects. If a 3

Lubov Fominskaja [6]

Answer:

20.3 ft

Step-by-step explanation:

The object-shadow ratio for the stick= 3÷1.5=2:1

The object-shadow ratio is same for all objects.

Let height of the tree be x

2/1 = x/10.15

x=10.15 * 2=20.3

4 0

3 years ago

A frequency distribution for the class level of students in an introductory statistics course is shown. Two students are randoml

Andrews [41]

Answer: $\dfrac{21}{410}$ .

Step-by-step explanation:

Formula : Probability = $\dfrac{\text{favorable outcomes}}{\text{Total outcomes}}$

From the given frequency distribution for the class level of students in an introductory statistics course, we have

Number of Junior= 12

Number of Senior = 7

Total students = 6+16+12+7 = 41

Probability that the first student obtained is a junior = $\dfrac{12}{41}$

Probability that the the second student obtained is a senior. $=\dfrac{7}{41-1}=\dfrac{7}{40}$

Then, the probability that the first student obtained is a junior and the second a senior would be $\dfrac{12}{41}\times\dfrac{7}{40}=\dfrac{21}{410}$

Hence, the required probability is $\dfrac{21}{410}$ .

8 0

3 years ago

Write as an expression :the quantity 10 less than x, divided by 4

Andreas93 [3]

Answer:

(x-10)/4

Step-by-step explanation:

10 less than x means,

x - 10

and the divide by 4.

=> (x-10)/4

5 0

3 years ago

Read 2 more answers

Ashley and Gabby bought lunch from the food trucks on Sugar Day. Ashley bought 3 tacos and a drink for $7. Gabby bought 2 drinks

kramer

Answer:

$1.5

Step-by-step explanation:

This would be solved using a simultaneous equation

let tacos = t

drink = d

3t + d = 7 -- eqn 1

2t + 2d = 8 -- eqn 2

Multiply equation 1 by 2 to derive equation 3

6t + 2d = 14 eqn 3

Substract equation 2 from equation 3

6t + 2d = 14 -- eqn 3

2t + 2d = 8 -- eqn 2

= 4t = 6

solve for t

6/4 = 1.5

= $1.5

8 0

3 years ago

Determine if the equations are intersecting, parallel, or coincident.<br> 4x +y=-4<br> –8x – 2y = 10

sashaice [31]

Answer:

the equations are coincident.

Step-by-step explanation:

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3 years ago