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3 years ago

15

Four teachers by 10 origami books and 100 packs of origami paper for their classrooms they will share the cost of the Items equa

lly how much should each teacher pay
origami book $24 each
origami paper $6 per pack
origami kit $8 each

1 answer:

Tamiku [17]3 years ago

3 0

$24 times 10 is $240 and $6 times 100 is $600 so 240+$600 is $840 then $840 devided by 4 is $210.

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Ashley is preparing for a horse riding competition. She has trained her horse for 6 hours and has completed 240 rounds. At what

lyudmila [28]

Answer:

40

Step-by-step explanation:

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3 years ago

A person on a moving sidewalk travels 6 feet in 3 seconds. The moving sidewalk has a length of 80 feet. How long will it take to

tekilochka [14]

Answer:

40.5 seconds

Step-by-step explanation:

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2 years ago

Solve the following triangle in which given sides are<br> a=7 b=7 c=9

blagie [28]

We have an isosceles triangle;
A=opposite angle side a.
B=opposite angle side b.
C=opposite angle side c.

A=B
Method 1:

We can divide the isosceles triangle in two right triangles,
hypotenuse=7
side=9/2=4.5

B=A=arccossine (4.5/7)=49.994799...º≈50º
C/2=90º-50º=40º ⇒ C=2*40º=80º

Answer:
a=7; A=50º
b=7; B=50º
<span>c=9; C=80º

Method 2:
Law of cosines:
a²=b²+c²-2bcCosA ⇒CosA=(a²-b²-c²)/(-2bc)
CosA=(49-49-81) / (-126)=0.642857
A=arco cos (81/126)≈50º

B=A=50º

A+B+C=180º
50º+50º+C=180º
C=180º-100º
C=80º

Answer:

</span>a=7; A=50º
b=7; B=50º
<span>c=9; C=80º</span>

8 0

3 years ago

Visit the official Florida _____ page to find all the driving laws and information you need to know for the Class E knowledge ex

Nata [24]

Answer:

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Step-by-step explanation:

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2 years ago

Consider the expression √(√625).

const2013 [10]

Answer:

5

Step-by-step explanation:

Square Root - Finding a number that multiplies itself twice into the number within the square root

With this meaning, we need to find a number that multiplies itself into 625.

Finding calculations using exponents will help,

25^2 is equal to 625. Therefore $\sqrt{25}$

We are not finished, as there is another square root right after, empowering the parenthesis, so what number multiplies itself equals 25?

This would be 5, therefore $\sqrt{(\sqrt{625}) }$ is equal to 5.

6 0

2 years ago