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melamori03 [73]
3 years ago
12

The train travels at a constant speed. What is its speed? please hurry

Mathematics
1 answer:
jarptica [38.1K]3 years ago
4 0

Answer:

300 km in hour are the answers

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For his research report, Derek writes 21 pages in a week. Which shows his writing rate in pages per day?
Gelneren [198K]

Answer:

3 pages per week

Step-by-step explanation:

21 (pages written)/ 7 (amount of days)

21/7= 3

6 0
3 years ago
How can you use a rate to compare the costs of two boxes of cereal that are different sizes?
Rainbow [258]

Answer:

✖ both sides

Step-by-step explanation:

you take both numbers and you multiply it

3 0
3 years ago
Read 2 more answers
On a standard reticulocyte preparation with new methylene blue, there are 100 cells counted with blue-stained granulofilamentous
DIA [1.3K]

Answer:

0.322 × 10¹² /L

Step-by-step explanation:

Data provided in the question:

Number of cells counted with blue-stained granulofilamentous material

i.e number of RET = 100

The red blood cells count = 3.22 × 10¹² /L

Hematocrit = 30%

Now,

RET% = [ [ Number of RET ] ÷ 1000 RBCs ] × 100%

= [ 100 ÷ 1000 ] × 100%

= 0.1 × 100%

= 10%

also,

Absolute reticulocyte count = ( %RET × RBC count ) ÷ 100

= [ 10 × 3.22 × 10¹² /L ] ÷ 100

= 0.322 × 10¹² /L

8 0
3 years ago
What does the expression 5-n mean
Novay_Z [31]

Answer:

It just means "5-n"

Step-by-step explanation:

There's really nothing to it. It's just an expression, it doesn't 'mean' anything.

4 0
3 years ago
Which is an equation in point-slope form for the given point and slope?
Akimi4 [234]

Answer:

The answer to your question is the letter D. (step 2)

Step-by-step explanation:

Data

P (7, 4) slope = 6

Process

1.- Write the equation of the line

          y - y1 = m(x - x1)

   x1 = 7    y1 = 4

2.- Substitution

          y - 4 = 6(x - 7)

- Simplification

         y - 4 = 6x - 42

- Solve for y

         y = 6x - 42 + 4

         y = 6x - 38        This is the equation in the point-slope form

3.- According to the choices the answer is letter D.

7 0
3 years ago
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