A restaurant chain ordered 3945 pounds of rice in 20 pound bags. About how many 20 pound bags of rice did the chain ordered ?

Answers

Answer 1

Answer: $3945:20=197,25\n \nbags\ must\ be\ whole,\ so\ the\ chain\ did\ 198\ bags\ ordered.$

Answer 2

Answer: divide 3945 by 20 to see how many full bags have to be bought then if you need part of a bag you have to buy one extra 193 full bags 3940 pounds and one extra bag for the other 5 pounds

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I WILL GIVE BRAINLYEST PLZ ANSWER ASAP!!!!!!!!Question 10 (Fill-In-The-Blank Worth 1 points)(01.05 LC)Divide 5 over 6 ÷ 1 over 12 = ____.Answer for Blank 1:

How many solutions exist for the given equation?

1/2
(x + 12) = 4x – 1

Answers

There are two ways to look at this, one is by solving this and the other is by looking at the variable

First, if we want to solve it, we would take our equation, (i like decimals) .5(x+12)=4x-1 and distribute the .5 to both things in the parentheses. when we do that we get .5x+6=4x-1. now we get our variables to the same side by subtracting .5x from both sides. When we do this, we are left with 6=3.5x-1. next we add 1 to each side and get 7=3.5x. Now we divide each side by 3.5, and get x=2. Now we have to plug it into the original equation and get .5(2+12)=4(2)-1. when we simplify this we get .5(14)=7, which goes to 7=7. this is a true statement, so we know that x=2. since we only have one value for x, we know the answer is that only one solution exists.

Another way that is simpler, but not always accurate, is to look at the variable. There can only be as many solutions for x as the highest exponent x is to, in this case, x has no exponent so there can't be more than one solution, so we say that it has one solution. This way is a lot faster, but can be wrong if the equation has a false solution. This false solution happens when you solve the equation and get a value, but it doesn't work for the original equation.

The second way is a lot faster, but the first way will always give you the right answer

Answer:

One solution, option B for edge2020

Step-by-step explanation:

WILL GIVE BRAINLIEST!!!!! 30 POINTS!!! Expression 1
6x7-3^2x9+4^3

Expression 2
5+4x2+6-2x2-1

(a) What is the value of Expression 1?
(b) Insert parenthesis in Expression 2 so that it has a value 19. Then show why your expression has a value of 19.

PLEASE EXPLAIN IN GREAT DETAIL!!! IF YOU DON'T SHOW YOUR WORK/STEPS I WILL NOT GIVE BRAINLIEST!

Answers

Expression 1 (E1)
$6 * 7 - {3}^(2 * 9) + {4}^(3)$
Let's Simplify E1
$42- {3}^(18) + 64 \n 42 - 38742089 + 64 \n = - 387420383$
E1, is just simply combining like terms. Plus an expression in math, is simply something that doesn't equal anything, moreover a phrase.

Expression 2 (E2)
$5 + 4 * 2 + 6 - 2 * 2 - 1$
Without Parenthesis, the expression's value is
$5 + 4 * 2 + 6 - 2 * 2 - 1 \n 5 + 8 + 6 - 4 - 1 \n 13 + 6 - 4 - 1 \n 19 - 4 - 1 \n 14$
With Parentheses, you'll get
$5 + 4 * 2 + 6 - 2 * 2 - 1 \n (5 + 4 )* 2+ 6 -2 * 2- 1 \n ((9) * 2) + 6 - 2 * 2 - 1 \n (18) + 6 - 2 * 2 - 1 \n (24) - 2 * 2 - 1 \n (24) - 4 - 1 \n 19$
In E2, you expression first has a value of 14 due to the order of operations, PEMDAS (Please Excuse My Dear Aunt Sally) standing for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. When using the order operations before the parentheses, multiplication is done first before 5 is added to 4, order states that 4 must be multiplied by 2 first before addition. However, when placing a parentheses around 5 plus 4 we are now multiplying the value of that expression, (5+4), by 2, so it becomes 9×2, because the order of operations must be followed.

How is 4.3 x 10^-3 the answer to this question? A sample of air from a home is found to contain 6.2 ppm of carbon monoxide. This means that if the total pressure is 695 torr, then the partial pressure of CO is..................4.3 x 10^-3.

Answers

The partial pressure of CO2 is equal to the total pressure * molar fraction of CO2.

To give 4.3 * 10^-3, they are using molar fraction = 6.2 * 10^ - 6

Because, 695 * 6.2-10^-6 = 0.004309 = 4.309 * 10^-3 = 4.3 * 10^-3.

Then the new question is why the molar fraction is consideres to be the same ppm concentration. This is because ppm means parts per million, and in this case, they are considering that the parts are moles (usually it is grams, but it is not the case, given the result).

6.2 ppm = 6.2 / 1,000,000 = 6.2*10^-6, which is the number used above to multiply the total pressure and get the partial pressure of CO2.

If you had not told me that the result was 4.3 * 10^-3, I had assumedthat 6.2 was referred to grams and not moles and I had made a conversionusing the molar masses of the air and the CO2 but, again, this is not the case.

Final answer:

The partial pressure of CO in a home with air containing 6.2 ppm CO, when the total air pressure is 695 torr, can be calculated by (6.2 ÷ 1,000,000) x 695, which equals 4.3 x 10^-3 torr.

Explanation:

The partial pressure of a gas is the individual pressure contribution a single type of gas makes to the overall pressure of a gas mixture. In this case, a sample of air from a home was found to contain 6.2 parts per million (ppm) of carbon monoxide (CO). To calculate the actual pressure of CO in the room, we can use the fact that 1 ppm = 1 part of the substance per 1,000,000 parts of air.

To do so, we need to multiply thetotal pressure of the air, which is 695 torr, by the ratio of the CO to the total volume of the air. That would be: (6.2 ÷ 1,000,000) x 695 = 4.3 x 10-3 torr. Hence, that is how 4.3 x 10-3 is derived as the partial pressure of CO in this context.

Learn more about Partial Pressure here:

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BY using eight eights and addition only can you make 1000?????/

Answers

If u add 125 times 8 it will equal 1000
becouse
$8*125=1000$
then
$(1000)/(8) =125$
you also can combine it (if this is what are you looking for..)
$888+88+8+8+8=1000$
or any other combination like:
$88+888+8+8+8=1000$
or:
$8+8+888+8+88=1000$

Represent the following sentence as an algebraic expression, where "a number" is the letter x. The product of 8 and a number.

Answers

Answer:

x times 8 I'm pretty sure

Milli plans to rent a room for her birthday party for $40. The catering charge is $12 per person but there is no charge for Milli's meal since she is the guest of honor. If Milli has $100 to spend on her birthday party, how many guests can she invite?

Answers

Since Milli has $100 to spend on her birthday party and she will pay $40 so the remaining money left for her party is $60. For the $60 left she will then pay $12 for each guest for catering. Divide $60 by $12, the answer is 5. Therefore Milli will have 5 guests for her birthday.

Answer:

Step-by-step explanation:

proof in the picture.

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