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k0ka [10]
3 years ago
6

Please check all that apply.​

Mathematics
2 answers:
liq [111]3 years ago
7 0

Answer:

the answers should be the first, third, and fourth ones

Step-by-step explanation:

exis [7]3 years ago
4 0

Answer:

first third fourth

Step-by-step explanation:

I think

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What is the solution to the system x+ y =4 and 2x - y = -1
Lostsunrise [7]

Answer:

Step-by-step explanation:

hello :

the system is :  x+ y =4 ...(*)

                       2x - y = -1...(**)

add(*) and (**) : 3x=3    so : x=1

put this value into (*) : 1+y=4     so : y=3

one solution : (1 , 3)

4 0
3 years ago
For every 4 hours Michelle works, she gets a 15 minute break. Which equation shows the proportional relationship between the num
Lady_Fox [76]

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b=8w

Step-by-step explanation:

6 0
2 years ago
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If a triangle is an equilateral triangle, then the triangle has exactly three 60°
ahrayia [7]

Step-by-step explanation:

In an equilateral triangle, all the three sides are equal as well as all the angles are equal. Let the angles be x.

We know that the sum of angles of a triangle is equal to 180 degrees. It means that,

x+x+x=180

3x=180

x=60°

Hence, if a triangle is an equilateral triangle, then the triangle has exactly three 60°  angles. Hence, △ABC is an equilateral triangle

3 0
3 years ago
Which term of the AP 21, 18, 15 ...... is -81 ?​
amid [387]

Given AP is 21 ,18,15,...

First term = 21

Common difference = 18-21 = -3

Let an = -81

We know that

an = a+(n-1)d

⇛21+(n-1)(-3) = -81

⇛ 21-3n+3 = -81

⇛24-3n = -81

⇛ 24+81 = 3n

⇛ 105= 3n

⇛ n = 105/3

⇛ n = 35

35th term of the AP is -81.

<u>also</u><u> read</u><u> similar</u><u> questions</u><u>:</u> Which term of a AP 5 , 13 , 21 ,... is 181?

brainly.com/question/2406241?referrer

Which term of the AP:3, 8, 13, 18,...,is 78?

brainly.com/question/15380012?referrer

3 0
2 years ago
Please help fast! I will give brainliest to first correct answer!
Mamont248 [21]

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

7 0
2 years ago
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