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Debora [2.8K]
3 years ago
13

Can someone help me please

Mathematics
1 answer:
Marianna [84]3 years ago
4 0
The first option is the correct answer
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Computer purchases: Out of 809 large purchases made at a computer retailer, 347 were personal computers, 398 were laptop compute
Luda [366]

Step-by-step explanation:

personal- 347 ÷ 809 = 0.43%

lap top- 398 ÷ 809 = 0.49%

printer- 64 ÷ 809 = 0.08%

6 0
3 years ago
PLZ HELP!!!<br><br> Plz answer fast if possible.
wlad13 [49]

Answer:

For the first one:

yes

constant rate of 4 inches of perimeter/per inch of side length

For the second:

no

not a constant rate

6 0
3 years ago
If 3 tan θ = 1, then find the value of sin2 θ –<br> cos2<br> θ.
vfiekz [6]

Answer:

sin2θ - cos2θ = 2sin² θ

Step-by-step explanation:

hello :

tan θ = 1    means : sinθ /cosθ   so : sinθ =cosθ

sin2θ = 2sin θ  cosθ  =2sin² θ

cos2θ = cos²θ - sin²θ = sin²θ - sin²θ =0

sin2θ - cos2θ = 2sin² θ

4 0
3 years ago
1.a telephone company is asked to provide service to a customer whose house is located in the forest, 900 feet away from the roa
adelina 88 [10]

In total, the cost to install the phone line for the customer in the forest will be $31,500+$84,000=$115,500.

<h3>What is meant by addition?</h3>

Combining two or more numbers or quantities to generate a sum is known as addition in mathematics. One of the four fundamental operations of arithmetic, along with addition, subtraction, multiplication, and division, it is often denoted by the sign "+."

Addition is a key concept that is taught to children at an early age and is utilised in a number of everyday settings such as shopping and banking. It is a crucial tool for tackling increasingly difficult issues in disciplines like engineering, physics, and finance. For example, a telephone company is asked to provide service to a customer whose house is located in the forest, 900 feet away from the road along

Mental computation, pencil and paper, and calculators are only a few of the techniques that may be used to do addition. First, arrange the digits in columns, starting with the ones place, before adding two numbers.

How to solve?

To provide service to the customer in the forest, the telephone company will have to run a phone line 900 feet through the forest at a cost of $35 per foot, for a total cost of 900*$35=$31,500.

Additionally, the company will have to run the line 4,200 feet down the road at a cost of $20 per foot, for a total cost of 4,200*$20=$84,000.

In total, the cost to install the phone line for the customer in the forest will be $31,500+$84,000=$115,500.

To learn more about addition, visit:

brainly.com/question/16296450

#SPJ4

3 0
1 year ago
5/4 cups is equal to 
Arlecino [84]

5/4 cup is equal to one whole cup and 1/4 left over or 1 1/4

3 0
3 years ago
Read 2 more answers
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