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vekshin1
3 years ago
12

Math homework, explain please!

Mathematics
2 answers:
leva [86]3 years ago
7 0
1. The answer is 3
2. The answer is 25 cups of flour
Hope this helps!!
Tasya [4]3 years ago
3 0
Youre working on proportions, which involves setting up into fractions. So when you look at:  
Suzie has a recipe that will make 12 cupcakes, but she wants to make 60 cupcakes. If the original recipe calls for 5 cups of flour, how much flour will she need for the scaled recipe?
The first thing you do is set up your equation:
5/12 = x/60 
To solve: You cross multiply, then divide:
5*60= 300 then 300/12 which = 25 cups of flour
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out of 1200 student served at lunch 660 of the students get hamburgers what is the percent of people who got hamburgers ​
Mars2501 [29]

Answer:

45% of students got hamburgers :)

Step-by-step explanation:

3 0
3 years ago
A part selected for testing is equally likely to have been produced on any one of six cutting tools.
JulijaS [17]

Answer:

a)S= (1,2,3,4,5,6)

b) 1/6 or 16.67%

c) 1/3 or 33.33%

d) 5/6 or 83.33%

Step-by-step explanation:

a) Sample space is the list of all the possible sample in this its either tool 1,2,3,4,5 or 6

b) probability of selecting from tool 1 is equally likely to picking from any cutting tool therefore it

1/6 or 16.7%

c) probability of selecting from any tool is 16.7% so probability of selecting from 3 or 5 = 16.67% + 16.67% = 33.3%

d) if the part is not from tool 4 then its from tool 1, or tool 2 or tool 3 or tool 5 or tool 6 therefore its

1/6+1/6+1/6+1/6+1/6 = 5/6 or 8.33%

8 0
3 years ago
Which expression is equivalent to
andrezito [222]

Answer:

work it step by step on paper it really helps

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Nine voltage measurements in a circuit have produced the following values: 12.09, 12.05, 11.94, 11.99, 12.12, 12.05, 12.02, 11.9
Debora [2.8K]

Answer:

we can not reject any value

Step-by-step explanation: From data we can test the highest and the lowest value to evaluate if one of these values are out of certain confidence Interval

If we established CI = 95 % then  α = 5 % and  α/2 = 0,025

From data we find the mean of the values

μ₀  = 12,03   and σ = 0,07

From z table we find z score for 0,025 is  z(c) = ± 1,96

So limits of our CI are:

12,03 + 1,96 =  13,99

12,03 - 1,96 = 10,07

And all our values are within  ( 10,07 , 13,99)

So we can not reject any value

4 0
3 years ago
Please answer this in two minutes
Sunny_sXe [5.5K]

Answer:

D. 1800°

Step-by-step explanation:

The given polygon has 12 sides.

The formula for finding the sum of the interior angles of an n-sided polygon is given as, ( n − 2 ) × 180.

Where n is the number of sides of the polygon.

Thus, the sum of the interior angles of the 12 sided polygon given above is:

(12 - 2) × 180

= 10 × 180 = 1800°

<em>Sum of the measures of the interior angles of the 12-sided polygon is D. 1800°</em>

4 0
4 years ago
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