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Alex
3 years ago
8

Hello

Mathematics
1 answer:
Elenna [48]3 years ago
4 0

Answer:

A) 7 1/2

B) 1

Step-by-step explanation:

Part A:

Part B:

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in 2010, the price of a laser printer was $1599. in 2018, the price of the same type of printer had dropped to $579. find the pe
uysha [10]

Hi there!

nearest percentage=64%

<em><u>1.Subtract starting value and final value:</u></em>

<em><u /></em>1599-579=1020<em><u /></em>

<em><u>2.Divide it by the starting value:</u></em>

<em><u /></em>1020*1599= 0.6378986866791744840525328330206378986<em><u /></em>

<em><u>3.Multiply the term by 100:</u></em>

<em><u /></em>0.6378986866791744840525328330206378986<em><u>·</u></em>100= 63.78986866791744840525328330206378986<em><u /></em>

<em><u>4.Round the term:</u></em>

<em><u /></em>63.78986866791744840525328330206378986=64<em><u /></em>

Therefore, the decrease of the total 8 years was 64%.

<em><u /></em>

5 0
3 years ago
Read 2 more answers
I need help it has to be correct
Bess [88]

Answer:

cosine = adjacent / hypotenuse

cosine 62º = JL / 17

JL = cosine 62º * 17

JL = .47 * 17

JL = 7.99

JL = 8.0

Step-by-step explanation:

5 0
3 years ago
A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight
melomori [17]

Answer:

<h2>8.3 in²</h2>

Step-by-step explanation:

We have

three triangles with the base <em>b = 2 in.</em> and the height <em>h₁ = 2.2 in.</em>

one triangle with the base <em>b = 2 in. </em>and the height <em>h₂ = 1.7 in.</em>

The formula of an area of a triangle:

A=\dfrac{b\cdot h}{2}

<em>b</em><em> - base</em>

<em>h</em><em> - height</em>

Substitute:

A_1=\dfrac{(2)(2.2)}{2}=\dfrac{4.4}{2}=2.2\ in^2

A_2=\dfrac{(2)(1.7)}{2}=1.7\ in^2

S.A.=3A_1+A_2

S.A.=3(2.2)+1.7=6.6+1.7=8.3\ in^2

5 0
3 years ago
What is three quarters of 7 hours
AURORKA [14]

Answer:

56

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The ones circled please put the answers and what the problem is ok? and thank y'all for the support
Lady_Fox [76]
7) 2-3=-1         9) 6-9=-3
11) -3-4=-7      13) -7-6=-13
15)-3-9=-12     17) 6-(-2)=8
19)3-(-5)=8      21) 5-(-8)=13
23)-2-(-1)=-1   25) -10-(-4)=-6
27)-6-(-5)=-1   29) -8-(-6)=-2
31)5-(-3)=8      33) 7-10=-3
35)-2-5=-7       37) -9-(-4)=-5
5 0
3 years ago
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