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wlad13 [49]
3 years ago
7

What's the answer to 7-3x=12

Mathematics
2 answers:
Reika [66]3 years ago
6 0
X would equal to -0.6
ankoles [38]3 years ago
4 0
7-3x=12
Subtract 7 from both sides
-3x=5
Divide both sides by -3
<span>Final Answer: x= -5/3 or -1 2/3 *Both answers are equivalent to each other.</span>
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F(x)=x^2+3x+4 is this quadratic, linear or neither????
Finger [1]
Im pretty sure its linear
6 0
3 years ago
Can someone please help me outt
saveliy_v [14]

Answer:

ASA

Step-by-step explanation:

We can see that the triangle has at least one similar side and one similar angle. We can also see that the triangles meet at a point, so they must have the same angle at that point where they connect. So that leads us to our answer being ASA since they have two similar angles and one similar side. This is the answer that I think is correct just by looking at the image. I haven't take this class since last year, so this is simply from memory. Correct me if I am wrong!

6 0
3 years ago
Position vectors u and v have terminal points of (-6, 3) and (4, -2), respectively. Find the resulting terminal point of 2v - u.
evablogger [386]

Answer:

(14 , -7)

Step-by-step explanation:

terminal points: A (-6,3)   B (4,-2)

u = x₁ + i y₁    u = -6 + i3

v =x₂ + iy₂ = 4 - i2       2v = 8 - i4

2v - u = (8 - i4) - (-6 + i3) = 14 -i7

Resulting terminal point: (14 , -7)

6 0
3 years ago
Read 2 more answers
Let C = {n ∈ Z | n = 6r – 5 for some integer r} and D = {m ∈ Z | m = 3s + 1 for some integer s}.
noname [10]

Its is true that C ⊆ D means Every element of C is present in D

According to he question,

Let C = {n ∈ Z | n = 6r – 5 for some integer r}

D = {m ∈ Z | m = 3s + 1 for some integer s}

We have to prove : C ⊆ D

Proof : Let n ∈ C

Then there exists an integer r such that:

n = 6r - 5

Since -5 = -6 + 1

=> n = 6r - 6 + 1

Using distributive property,

=> n = 3(2r - 2) +1

Since , 2 and r are the integers , their product 2r is also an integer and the difference 2r - 2 is also an integer then

Let s = 2r - 2

Then, m = 3r + 1 with r some integer and thus m ∈ D

Since , every element of C is also an element of D

Hence ,  C ⊆ D proved !

Similarly, you have to prove D ⊆ C

To know more about integers here

brainly.com/question/15276410

#SPJ4

7 0
2 years ago
I think im right can anyone confirm that but if im not please tell me
EleoNora [17]

Answer:

Step-by-step explanation:

f(x) = x²-8x-20

a= 1

a >0 so...

-parabola opens up

-vertex is a minumum

Minimum because parabola opens up !

6 0
3 years ago
Read 2 more answers
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