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4 years ago

•Pls help

Mathematics

1 answer:

kramer4 years ago

7 0

Answer:

The recipe makes 1/2 cup of salad dressing assuming that the salt and herbs do not make a difference. Each serving has 1/12 of a cup. I am not gifted in the number sentence and equation department

Step-by-step explanation:

1/3=2/6

1/6=1/6

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

3/6=1/2

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tynya is training a turtle for a turtle race for every 2/3 of an hour that the turtle is crawling he can travel 2/23 of a mile a

Len [333]

Answer:

3/23 miles per hour

Step-by-step explanation:

2 /23 mile

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

2/3 hour

2/ 23 ÷ 2/3

Copy dot flip

2 /23 * 3/2

Rewriting

2/2 * 3/23

3/23 miles per hour

7 0

3 years ago

Read 2 more answers

an astronomer wishes to measure on a photograph the distance between the image of a certain star and three star other star image

Greeley [361]

The astronomer has to choose 3 star images out of 8.This is a problem of combinations. This can be expressed as 8C3 i.e. combination of 8 objects taken 3 at a time.

$8C3= \frac{8!}{3!*5!}=56$

This means, if 8 images are nearby the astronomer will have 56 choices of the three stars.

6 0

4 years ago

Work out the reciprocal of a) 2/9 b) 2.5

Contact [7]

Answer:

9/2and 5/2 is correct answer

4 0

3 years ago

The number of bacteria in a sample after x days is represented using the equation b= 50,000(1.05)^-x. By what approximate percen

Trava [24]

5% increase per day.................

8 0

3 years ago

Read 2 more answers

Did I do this right????

Svetlanka [38]

Answer:

x = -7, y = -3 yup you did it right!

Step-by-step explanation:

Solve the following system:

{-2 y + x = -1 | (equation 1)

8 y - 5 x = 11 | (equation 2)

Swap equation 1 with equation 2:

{-(5 x) + 8 y = 11 | (equation 1)

x - 2 y = -1 | (equation 2)

Add 1/5 × (equation 1) to equation 2:

{-(5 x) + 8 y = 11 | (equation 1)

0 x - (2 y)/5 = 6/5 | (equation 2)

Multiply equation 2 by 5/2:

{-(5 x) + 8 y = 11 | (equation 1)

0 x - y = 3 | (equation 2)

Multiply equation 2 by -1:

{-(5 x) + 8 y = 11 | (equation 1)

0 x + y = -3 | (equation 2)

Subtract 8 × (equation 2) from equation 1:

{-(5 x) + 0 y = 35 | (equation 1)

0 x + y = -3 | (equation 2)

Divide equation 1 by -5:

{x + 0 y = -7 | (equation 1)

0 x + y = -3 | (equation 2)

Collect results:

Answer: {x = -7, y = -3

4 0

2 years ago