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Olin [163]
3 years ago
9

What addition doubles fact can help you find 4 + 3? Explain how you know?

Mathematics
1 answer:
Leona [35]3 years ago
7 0
4 + 3=7 

0000 + 000 = 0000000
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laptop has a listed price of $879.95 before tax. If the sales tax rate is 8.5%, find the total cost of the laptop with sales tax
Black_prince [1.1K]

Answer:

It would be $954.75

Step-by-step explanation:

8 0
3 years ago
I’m the diagram, AB and CD are ______. A. Common external tangents B. Common internal tangents C. Uncommon tangents D. Simultane
alexgriva [62]

Answer:

It Is A

Step-by-step explanation:

3 0
3 years ago
I REALLY NEED HELP PLEASE!!
rjkz [21]

Answer:

4588 [in²].

Step-by-step explanation:

1) the given octagon can be imagined as 8 triangles (see the attachment). In order to calculate the required area of the octagon, it is enough to calculate the area of one triangle then increase it 8 times:

2) area of one triangle is:

37*31/2 [in²].

3) the required area of the octagon is:

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8 0
3 years ago
The radius of a circle is 7 metres. What is the length of a 135° arc?
mel-nik [20]

Answer:

16.5 meters

Step-by-step explanation:

The length of an arc of a circle = 2πr(C/360°) ;where:

C is the central angle of the arc,

R is the radius of the arc

Length of the arc = 2π(7)(135/360)

= 16.493

= 16.5 metres (approx.)

7 0
2 years ago
Read 2 more answers
Three more than three times a number is 72. Find the number
puteri [66]

Answer:

23

Step-by-step explanation:

3x+3=72

3x=72-3

3x=69

x=23

7 0
4 years ago
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