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Amiraneli [1.4K]
2 years ago
7

David is making rice for his guests based on a recipe that requires rice, water, and a special blend of spice, where the rice-to

-spice ratio is 15:115:115, colon, 1. He currently has 404040 grams of the spice blend, and he can go buy more if necessary. He wants to make 101010 servings, where each serving has 757575 grams of rice. Overall, David spends 4.504.504, point, 50 dollars on rice.
What is the price of rice per gram?
dollars per gram of rice
Mathematics
1 answer:
Travka [436]2 years ago
6 0

Answer:

Price of rice per gram =  $ 0.006  per gram or 0.6 cents per gram .

Step-by-step explanation:

Given: David wants to make 10 servings, where each serving has 75 grams of rice.

Total quantity of rice required = 10 x 75 = 750 grams

Overall, David spends 4.50 dollars on rice.

i.e. cost of 750 grams of rice = 4.50 dollars

Price of rice per gram =(cost of 750 grams of rice ) ÷ 750

= (4.50 dollars )  ÷ 750

=  $  0.006  per gram.

Price of rice per gram =  $ 0.006  per gram.

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scoundrel [369]

Answer:

The formula to find the volume of a cylinder is V = πr2h

The diameter divided by 2 is the radius. 5.5 divided by 2 is 2.75

v = π2.752 16.5

V = 391.8

The answer is 391.8

I hope this helps please mark me Brainliest! Have a nice day!

8 0
3 years ago
A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade po
Vinil7 [7]

Answer:

80% Confidence interval:  (0.4603,0.7397)

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = MD = 0.60 points

Sample size, n = 9

Sample variance =  0.09

Sample standard Deviation =

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80% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 8 and}~\alpha_{0.20} = \pm 1.397  

0.60 \pm 1.397(\frac{0.3}{\sqrt{9}} ) = 0.60 \pm 0.1397 = (0.4603,0.7397)

8 0
4 years ago
A jacket that normally sells for $45 is on sale with 20% off. What is the sale price?
topjm [15]

Answer:

20% of 45 is 9. sale price- 9$

Step-by-step explanation:

20% of 45

20/100 = 0.20 (0.20) (45) = 9

8 0
3 years ago
Read 2 more answers
How do I solve 6=1/2z
ahrayia [7]

Answer:

z=12

Step-by-step explanation:

divide by 1/2 to get the variable z by itself

3 0
3 years ago
Find the value of x. Then find the missing angle measures of the polygon
UkoKoshka [18]

Answer:

x=10

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Step-by-step explanation:

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7x=70

x = 10

5(10) = 50

2(10) = 20

4 0
4 years ago
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