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lianna [129]
4 years ago
13

Can someone help me with these two questions?

Mathematics
1 answer:
inessss [21]4 years ago
7 0
1. use  6,8, 10  and then 7, 9,13

2. A=30, B= 70, b = 4

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An art teacher has 9 students in her class he has 21.06 pounds of clay that divided evenly among the student each student will d
malfutka [58]

Answer:

each sculpture will use 0.78 lb of clay

Step-by-step explanation:

"An art teacher has 9 students in her class he has 21.06 pounds of clay that divided evenly among the students"

21.06 lb/9 = 2.34 lb

Each student gets 2.34 lb of clay.

"each student will divide his clay into 3 equal amounts"

2.34 lb/3 = 0.78 lb

Answer: each sculpture will use 0.78 lb of clay

6 0
3 years ago
,.....................................
boyakko [2]

\frac{x^{0}*y^{-3}}{x^{2}*y^{-1}} =      \frac{1}{x^{2}*y^{3-1}} = \frac{1}{x^{2}*y^{2}}

Answer.C.) \frac{1}{x^{2}y^{2}}

\textbf{Spymore}​​

4 0
4 years ago
(1) Mr. Jones finished correcting 6 out of 7 homework assignments. Miss Smith finished
Andrews [41]

Answer:

Mr. jones

Step-by-step explanation:

6/7 is 85.71% which is greater than 83%.

5 0
3 years ago
Find the number of sides for a regular polygon whose interior angles each measure 10 times each exterior angle
gavmur [86]

Answer:

22 sides

Step-by-step explanation:

The expression to find an interior angle of a polygon is:

\frac{(n-2)*180}{n}

The expression to find an exterior angle of a polygon is:

\frac{360}{n}

Please note that "n" represents the number of sides the polygon has.

We can use these two expressions to set up an equation.

\frac{(n-2)*180}{n}=10(\frac{360}{n})

Multiply both sides by "n":

(n-2)*180=10n(\frac{360}{n})

Now, distribute:

180(n)-180(2)=\frac{3600n}{n}\\180n-360=3600

Divide both sides by 10:

\frac{180n}{10}-\frac{360}{10}=\frac{3600}{10}\\

18n-36=360

Add 36 to both sides:

18n=360+36\\18n=396

Divide both sides by 18:

n=22

The polygon has 22 sides

6 0
3 years ago
Jan began with 5/6 pound of modeling clay she used 1/5 of the clay to make decorative magnets. She divided the remaining clay in
lawyer [7]
Starting weight:  5/6 lb.  Of this, Jan used 1/5, which would be (1/5)(5/6) lb, 
or 1/6 lb, leaving 4/6 lb, or 2/3 lb. unused.

                                                       2/3 lb
Now divide 2/3 lb by 8 portions:  ----------------- = (2/24) lb/portion, or 
                                                       8 portions

1/12 lb/portion.
5 0
3 years ago
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