Keiko is mixing 4 cups of concrete to make a stepping stone. She needs 1.5 cups of sand and 2.5 cups of cement mix. Which statement best describes how much of each ingredient Keiko needs to measure? A. Keiko should make it easy and just measure about 1 cup of sand and 3 cups of cement mix since she needs a total of 4 cups. B. Keiko should measure exactly 1.5 cups of sand and 2.5 cups of cement mix to be sure the concrete will set properly. C. Keiko should make it easy and just measure about 2 cups of each since she needs a total of 4 cups.

Answers

Answer 1

Answer: the answer is C and your welcome

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What is the value of x to the nearest tenth? A) 9.2B) 7.2C) 4.8D) 12.0

Is (6, -4) a solution for the following system of equations? y=8-2x
x+3y=12

Yes or No?

Answers

Answer: no

Step-by-step explanation: explained in photo

PLEASE HELP MEEEE!!!!!!

Answers

24, 20,-1, 4,5, 35,21

What is the difference betweeen the cost of 300g of potatoes and 300g of carrots

Answers

The cost of 300g of potatoes and 300g of carrots varies depending on the location and the time of year. However, in general, potatoes are typically cheaper than carrots.

According to the USDA National Nutrient Database, the average price for a pound of potatoes in the United States in September 2023 was $0.62, while the average price for a pound of carrots was $0.77. This means that 300g of potatoes would cost about $0.36, while 300g of carrots would cost about $0.44.

Therefore, the difference in cost between 300g of potatoes and 300g of carrots is about $0.08.

However, it is important to note that these prices are just averages and may vary depending on the specific store or market. It is also important to keep in mind that the price of both potatoes and carrots can fluctuate throughout the year.

During the financial crisis of 2008, the price of a barrel of Brent crude oil fell a high of $140 per barrel to around $50 per barrel. What is the percent decrease in the price of oil that occurred during this period.

Answers

Answer:

decrease of 64.3%

Step-by-step explanation:

Percentage change can be calculated from ...

pct change = ((new value)/(original value) -1) × 100%

= (50/140 -1) × 100%

= (-9/14)×100% = -64 2/7% ≈ -64.3%

The price of crude fell about 64.3% in that period.

(3x+8)+x>3x-12 can someone tell me how to solve it because already know the answer which is x>-20

Answers

(3x + 8) + x > 3x - 12
3x + x + 8 > 3x - 12
      4x + 8 > 3x - 12
      - 3x     - 3x
      x + 8 > -12
      - 8   - 8
      x > -20

Solution Set: (-∞, -20)

If bc = 8.3 cd = 6.7 and ad = 11.6 find ab to the nearest tenth

Answers

This is going to be tricky to explain over text, so try to bear with me :)

You have the information given above. Let's start with just ad = 11.6 for now. since these are variables, it can also be understood be understood as a times d= 11.6.
Knowing this, we can figure out that d = 11.6/a, when you divide both sides by a.

You now have d, so plug (11.6/a) into cd=6.7. You have to do the same thing you did last time, except this time you are aiming to get c by itself. So, multiply both sides by a/11.6 and you get c = (6.7a)/ 11.6.

Guess what, you know c now! so you put (6.7a)/11.6 in for c in the equation given to you earlier, bc =8.3. The math gets a bit messy here, but you basically solve for b here, which, when you crunch the numbers down, ends up being ~14.3705 divided by a. You are looking for ab, so just multiply both sides by a, and round to the nearest tenth so that you have ab= 14.4

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