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steposvetlana [31]
2 years ago
8

Mrs. Harris treated her 1st period with donuts for averaging the highest on the midterm exam. She bought 25 donuts, By the end o

f the period, there were 3 donuts remaining. What is the percent decrease?
Mathematics
1 answer:
Reika [66]2 years ago
3 0

Answer:

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A farmer is planting some marigolds in a row. The row is 2 yards long. The flowers must be spaced ⅓ yard apart so they will have
pogonyaev

Answer:

7 marigolds will fit in this row

Step-by-step explanation:

Given

Length of the row for planting marigold =  2 yards

Spacing between the flowers = 1/3 yard

The first marigold is planted at 0 yard, the total number of marigold that can be planted is equal to

A  1/3  B  1/3  C  1/3  D 1/3  E  1/3 F 1/3 G

The alphabets represents the marigold flower

Hence, total 7 flowers can be planted

3 0
2 years ago
Marcelina uses a blend of white corn and yellow corn to make tortilla chips at her restaurant. She needs to
UNO [17]

Answer:

Option C. Marcelina spends less that the intended amount of money and buy the correct amount of corn

Step-by-step explanation:

<u><em>The complete picture of the question in the attached figure</em></u>

Let

x---->  is the amount of white corn she buys

y ---> is the amount of yellow corn she buys

we know that

She needs to buy 50 kg of corn in total

so

x+y=50 ----> equation A

She wants to spend $12 dollars total

so

0.30x+0.15y=12 ----> equation B

The solution of the system of equations is the intersection point both graphs

The solution is the point (30,20)

That means

Marcelina needs to buy 30 kg of white corn and 20 kg of yellow corn

we have the ordered pair D(15.35)

That means

15 kg of white corn and 35 kg of yellow corn

therefore

Total kg of corn bought is

15+35=50\ kg\\50\ kg= 50\ kg

Total spend is

0.30(15)+0.15(35)=\$9.75\\\$9.75

therefore

Marcelina spends less that the intended amount of money and buy the correct amount of corn

6 0
3 years ago
Read 2 more answers
A line passes through the point (-1, -7) and has a slope of -8.
mr_godi [17]

9514 1404 393

Answer:

  y = -8x -15

Step-by-step explanation:

It can be useful to start with the point-slope form when you are given a point and a slope.

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

For the given line, this equation is ...

  y +7 = -8(x +1)

  y = -8x -8 -7 . . . . eliminate parentheses, subtract 7

  y = -8x -15 . . . . . slope-intercept form

3 0
3 years ago
Question help the average income in a certain region in 2013 was ​$62 comma 00062,000 per person per year. suppose the standard
Iteru [2.4K]
Part a
The sample size is large enough to use the central limit theorem because it is greater than 30.

Part b.
The mean of the sampling distribution is 62000.
The standard error is computed as
     SE=\frac{s}{\sqrt{n}}=\frac{27000}{\sqrt{100}}=2700

Part c.
Compute for the corresponding z-score of more than 2700 from the population mean. 
     z=\frac{2700}{2700}=1

Therefore,
     P\left(z\ \textgreater \ 1\right)=0.1587
     
6 0
2 years ago
<img src="https://tex.z-dn.net/?f=4x%2B6%3D11" id="TexFormula1" title="4x+6=11" alt="4x+6=11" align="absmiddle" class="latex-for
nlexa [21]

Answer:

x = \frac{5}{4}

Step-by-step explanation:

Given

4x + 6 = 11 ( subtract 6 from both sides )

4x = 5 ( divide both sides by 4 )

x = \frac{5}{4} = 1.25

4 0
3 years ago
Read 2 more answers
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