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3 years ago

WILL GIVE BRAINIEST NEED HELP ASAP DUE IN 10 MINS

Mathematics

2 answers:

kirza4 [7]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

erfds

tensa zangetsu [6.8K]3 years ago

5 0

Answer:

Scientist B

Step-by-step explanation:

1 kg = 2.2 lbs

1L = 2.11 pints

So let's convert Scientist B's data.

3.0lbs salt = 3.0/2.2 = 1.36kg

6 pints water = 6/2.11 = 2.84L water

Scientist A

1kg salt

3.0L water

We now figure out the concentration of salt in water.

Scientist A Scientist B

1kg/3.0L = .33kg/L 1.36kg/2.84L = .48kg/L

So scientist B had a more concentrated solution.

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Answer:

The anwser would be 230

Step-by-step explanation:

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4 years ago

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3 years ago

What is the average rate of change for this exponential function for the interval from x=1 to x=3

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4 years ago

Read 2 more answers

Write a number y divided by 6 as an expression.

Alina [70]

Answer:

y ÷ 6.

Step-by-step explanation:

An expression is a combination of a number(s) and a variable.

Here, we simply need to write the expression from the word problem in mathematical form.

"Number" is unknown.

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(The variable in this expression is y).

The word problem says a number y divided by 6.

This simply means: y ÷ 6.

7 0

3 years ago

Multiply the matrices. (Please help!)

Ainat [17]

9514 1404 393

Answer:

$\left[\begin{array}{cc}12&1\\-4&1\\-11&28\end{array}\right]$

Step-by-step explanation:

The element at row i column j in the product is the dot-product of row i of the first matrix and column j of the second matrix. For example, row 2 column 1 of the product is ...

(row 2) · (column 1)

[3, -2, 4] · [2, 7, 1] = (3)(2) +(-2)(7) +(4)(1) = 6 -14 +4 = -4

The attachment shows the complete product matrix. It is convenient to let a spreadsheet or graphing calculator do the tedious repetitive arithmetic.

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3 years ago