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SpyIntel [72]
3 years ago
14

Scrie numerele 840 4220 2840 ca produse de doi factori dintre care unul sa fie scris cu o cifra

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

 

840 = 1×840=2×420 = 3×280 = 4×210 = 5×168 = 6×140 = 7×120 = 8×105

4220=1×4220 = 2×2110 = 4×1055 = 5×844

2840 = 1×2840 = 2×1420 = 4 × 710 = 5 × 568 = 8 × 355




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3 years ago
Ernesto solves the equation below by first squaring both sides of the equation. \sqrt{\dfrac{1}{2}w+8}=-2 2 1 ​ w+8 ​ =−2square
algol [13]

Answer:

<h2>w = -8</h2>

Step-by-step explanation:

Given the equation solved by Ernesto expressed as \sqrt{\dfrac{1}{2}w+8}=-2, the extraneous solution obtained by Ernesto is shown below;

\sqrt{\dfrac{1}{2}w+8}=-2\\\\square\ both \ sides \ of \ the \ equation\\(\sqrt{\dfrac{1}{2}w+8})^2=(-2)^2\\\\\dfrac{1}{2}w+8 = 4\\\\Subtract \ 8 \ from \ both \ sides\\\\\dfrac{1}{2}w+8 - 8= 4- 8\\\\\dfrac{1}{2}w= -4\\\\multiply \ both \ sides \ by \ 2\\\\\dfrac{1}{2}w*2= -4*2\\\\w = -8

Hence, the extraneous solution that Ernesto obtained is w = -8

4 0
3 years ago
188.49 rounded to the nearest 10th
Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

188.5

3 0
3 years ago
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Which transformation will always map a parallelogram onto itself? A. a 90° rotation about its center B. a reflection across one
Katen [24]

Answer:

C. a 180° rotation about its center.

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3 years ago
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A local grocery store is running a marketing promotion on social media. They are randomly choosing a winner from the entrants th
AlladinOne [14]

Using it's concept, it is found that the odds that the winner shops in the store 4 or more times a week are given by: 9:41.

<h3>What is the odd of an event?</h3>

It is given by the <u>number of desired outcomes divided by the number of non-desired outcomes</u>.

Researching the problem on the internet, it is found that 18% of the winners shop in the store 4 or more times a week, while 82% do not, hence:

18:82 = 9:41

The odds that the winner shops in the store 4 or more times a week are given by: 9:41.

More can be learned about odds at brainly.com/question/25683609

3 0
2 years ago
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