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vfiekz [6]
3 years ago
15

Cho tam giác ABC đều cạnh a. Khi đó vectorAb+vectorAC  bằng:

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

a\sqrt{3}

Step-by-step explanation:

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Mason is laying tiles on his entryway. The tiles are each 2/9 feet long, and the entryway is 7 1/2 feet long. How many tiles wil
Anastaziya [24]

Answer:

1 2/3

Step-by-step explanation:

7 1/2x2/9

3 0
3 years ago
Solve using a system of equations. A landscaping company places two orders with a nursery. The first order is for 13 trees and 4
grandymaker [24]

Answer:

$29.33

Step-by-step explanation:

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5 0
2 years ago
If -(x - 1) = 5, find the value of -4x. Show your work.<br> PLEASEEEE !!!
irakobra [83]

Answer: x=-4

Step-by-step explanation:

1. Simplify:

-(x-1)=5 => -x+1=5

Isolate x:

-x=5-1 => -x=4 => x=-4

7 0
3 years ago
Friends have a party. Joyce invited 17 friends to a dinner party at her house last Friday
OLEGan [10]

Answer:

15

Step-by-step explanation:

Joyce reserved number 1 for herself

Of all  the possible combinations,

1 and  15 is a perfect match for a perfect square

So,Joyce dinner partner was number 15.

5 0
2 years ago
A photo of a mosquito in a science book is magnified to 635% of the mosquito's actual size.If the mosquito is 16 millimetres lon
alexdok [17]

Answer:

The length of the mosquito in the picture is 117.6 mm.

Step-by-step explanation:

This question can be solved using a rule of three.

The real size of the mosquito is 16 mm, which is 100% = 1.

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16mm - 1

x mm - 7.35

x = 7.35*16 = 117.6

The length of the mosquito in the picture is 117.6 mm.

4 0
4 years ago
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