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Anettt [7]
3 years ago
13

232. Сколько решений имеет уравнение | х + 3 | -один?

Mathematics
1 answer:
marysya [2.9K]3 years ago
6 0

Answer: <em>уравнение имеет 2 решения:</em>

<em>               x₁ = - 4;    x₂ = - 2.</em>

Step-by-step explanation:

<em>Ix + 3I = 1</em>

<em>1) x + 3 = 1</em>

<em>   x + 3 - 3 = 1 - 3</em>

<em>   x = -2</em>

<em>2) - (x + 3) = 1</em>

<em>    x + 3 = - 1</em>

<em>    x + 3 - 3 = - 1 - 3</em>

<em>    x = - 4</em>

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5a − 3
Taya2010 [7]

Answer:

4.8

Step-by-step explanation:

Multiply 5*4.8 equal 21.6

5 0
4 years ago
Elena plans to ride her bicycle 5 miles to a park and then ride several times
Aneli [31]

Option A

Elena need to ride around the  loop four or more times

<em><u>Solution:</u></em>

Given that Elena plans to ride her bicycle 5 miles to a park and then ride several times  around a loop in the park that is 3 miles long

Then she will ride the same way  home

She wants to ride a total of at least 22 miles

<em><u>Given inequality is:</u></em>

3t + 10 > 22

Where "t" is the number of times Elena rides around the loop

<em><u>Solve fot "t" in given inequality</u></em>

3t + 10 > 22

Subtract 10 both sides

3t + 10 - 10 > 22 - 10

3t > 12

Divide by 3 both sides

t > 4

The solution is all real numbers greater than or equal to 4

Which means 4 or more times

Therefore, Option A is correct.

4 0
4 years ago
Pls help will give brainliest and 5 star
jeka94

Answer:

The answers are as follows:

5. c

6. b

7. not sure, sorry

8. b

Step-by-step explanation:


8 0
3 years ago
What is the value of y in this triangle?<br><br> A ) 124°<br> B ) 98°<br> C ) 56°<br> D ) 36°
Zolol [24]
180-134=46 98+46=144. 180-144=36. angle y=36. So the answer is D)36.
5 0
3 years ago
Read 2 more answers
Which fraction (in simplest form) is equivalent to 0.03?<br> A.3/100<br> B.3/10<br> C.1/3<br> D.1/30
bija089 [108]
It is (A). When removing decimal of 0.03 you will get = 3/100 so A is the correct answer.
3 0
3 years ago
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