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2 years ago

A chemist creates a solution that contains the following ingredients and quantities

Mathematics

2 answers:

vampirchik [111]2 years ago

5 0

Answer:

2/5 cups of silver oxide

1/10 cups of water

1/10 cups of potassium

Step-by-step explanation:

5+ 5 + 10 + 10+ 20 = 50

there are 50 total cups

now we must find the number to divide 50 by to get the 1 cup that we need

50 / 50 = 1

Now that we know what to divide by to get the quantities for 1 cup of solution, time to get the quantities

there are 20 cups of Silver oxide

20 / 50 = 2/5 cups

there are 5 cups of water

5 / 50 = 1/10 cups

there are 5 cups of potassium

5 / 50 = 1/10 cups

lapo4ka [179]2 years ago

4 0

it is 17

Step-by-step explanation:

ur wecom

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kobusy [5.1K]

Answer:

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Step-by-step explanation:

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2 years ago

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Question 8 (06.02 LC)

kodGreya [7K]

Question 8.
The best answer would be A, two times y divided by 7.

Question 9.
The distributive property. Or A.

Question 10.
5(2+y) would be the answer. So, D.

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2 years ago

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Pani-rosa [81]

Answer:

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1. Use the integer multiplication facts in their integer bubble to create six related integer division facts.

2.The quotient of any two integers (with a non zero divisor) will be a rational number. If and are integers, then - (p/q)= (---)=(----)

3. Mrs. McIntire, a seventh-grade math teacher, is grading papers. Three students gave the following responses to the same math problem: 1/-2 -(1/2) -1/2

4.On Mrs. McIntire’s answer key for the assignment, the correct answer is −0.5. Which student answer(s) is (are) correct? Explain.

Step-by-step explanation:

6 0

3 years ago

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Given that $x \le -7,$ identify all the correct conclusions. (A) $3x \le -21.$ (B) $3x \ge -21.$ (C) $-3x \le 21.$ (D) $-3x \ge

exis [7]

Answer:

Options A and D are correct choices.

Step-by-step explanation:

We have been given an inequality $x\leq -7$ and we are asked to find the correct options from our given choices.

Let us solve inequalities in our given options one by one to see which of these matches with our given inequality.

(A) $3x\leq -21$

$x\leq \frac{-21}{3}$

$x\leq -7$

We can see that option A gives the same answer as our given inequality, therefore, option A is the correct choice.

(B) $3x\geq -21$

$x\geq \frac{-21}{3}$

$x\geq -7$

This inequality represented in option C gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option B is incorrect.

Dividing inequality by a negative number swaps inequality sign.

$x\geq \frac{21}{-3}$

$x\geq -7$

This inequality gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option C is incorrect.

(D) $-3x\geq 21$

Dividing inequality by a negative number swaps inequality sign.

$x\leq \frac{21}{-3}$

$x\leq -7$

We can see that option D gives the same answer as our given inequality, therefore, option D is the correct choice.

8 0

2 years ago