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Svetach [21]
3 years ago
8

Which best describes a triangle with side lengths of 6in 8in and 9in ​

Mathematics
2 answers:
masya89 [10]3 years ago
7 0
The left side because my teacher told me
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

the leftside

Step-by-step explanation:

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Three balls are packaged in a cylindrical container as shown below. The balls just touch the top, bottom, and sides of the cylin
lianna [129]
We know the following:
Cylinder volume: V₁ = π r² h
Ball (sphere) volume:V₂ = \frac{4}{3} π r³
where:
V - volume
r - radius of base of cylinder and diameter of ball
h - height of cylinder.

R = 13 cm ⇒ r = 13 ÷ 2 = 6.5
π = 3.14

a) Since balls touch all sides of cylinder (as shown in image), it can be concluded that height of cylinder is equal to sum of diameters of 3 balls and that radius of base of cylinder is equal to radius of ball:
h = 3 × r = 3 × 13 cm = 39 cm
r = 6.5 cm
So,
V₁ = <span>π r² h
</span><span>V₁ = </span>3.14 × (6.5 cm)² × 39 cm
V₁ = 5,173.9 cm³

b. The total volume of three balls is the sum of volumes of each ball:
Vₐ = 3 × <span>V₂ 
</span>Vₐ = 3 × <span>\frac{4}{3} π r³
</span>Vₐ = 3 × \frac{4}{3} 3.14<span> (6.5 cm)³</span>
Vₐ = 3,449.3 cm³

c. Percentage of the volume of the container occupied by three balls ould be expressed as ratio of volume of three balls and volume of cylinder:
V = \frac{ V_{1}}{ V_{a} } ×100 
V = \frac{3,449.3}{5,173.9} ×100
V = 0.6666 ×100
V = 66.66%
4 0
2 years ago
Read 2 more answers
The sum of a number and 9 is -30
GrogVix [38]

-39+9=-30

-39 is your answer.

4 0
3 years ago
Omar wants to purchase a bike helmet for 22.55 and a bike for 134.45.
noname [10]

Answer:

$169.96 dollars

Step-by-step explanation:

Given the following questions:

8.25% of 22.55 and 134.45

In order to find the answer, we will have to add the initial costs of the items together, then we will calculate using the formula for percentages to find the tax rate.

22.55+134.45=157
157

<u>Calculate the percentage:
</u>\frac{p\times c}{100}
\frac{8.25\times157}{100} =8.25\times157=1295.25\div100=12.9525
=12.9525
12.9525
2 < 5
=12.96

<u>Add the sales tax:</u>
157+12.96=169.96
=169.96

Which means the two items along with an 8.25% sales tax costs "$169.96 dollars."

Hope this helps.

5 0
2 years ago
PLEASE HELP AND EXPLAIN! Find the height of the triangle.
dlinn [17]
Hello!


So you need to find the sin of the angle:

sin20 = x / 10

10 x sin20 = x

x = 3.4

Hope this helps :))
7 0
3 years ago
Read 2 more answers
Step 3: Apply Quantitative Tools
Sonja [21]

Answer: Total old car is $2955.89, new car $1080.94 *for 3yrs

Step-by-step explanation:

Old= [(100/19)($2.36)(52)+$770]*3 = $2955.89

New=[(100/34)($2.36)(52)+20(12)]*3= $1080.94

I keep the old car # 1

8 0
2 years ago
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