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Marysya12 [62]
4 years ago
6

Can anyone help? very confused :((

Mathematics
2 answers:
STALIN [3.7K]4 years ago
5 0

Answer:

Step-by-step explanation:

I’ve done this!!! I’ll try to help

vekshin14 years ago
5 0

Answer:

Basically, in each equation, you have to figure out what x equals to, so the equation is true.

Step-by-step explanation:

For example, the first one would be x ≥ 7 because 2×3 plus 1 is 7.

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2 obviously

Step-by-step explanation:

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46) through: (3, -5), perp. to y=-x-3<br> find slope intercept form
sweet-ann [11.9K]

Answer:

y = x - 8

Step-by-step explanation:

The equation of the straight line which is perpendicular to the straight line y = -x -3, will be y = x + c' ....... (1), where c' is a constant.

{This is because the product of the slopes of two mutually perpendicular straight line is -1}

Now, (3,-5) point satisfies equation (1).  

Hence, -5 = 3 +c', ⇒c' = -8.

Therefore, the equation of the required straight line in slope-intercept form is y = x - 8 (Answer)

{Note: The slope-intercept form of a straight line is y = mx + c, where m is the slope of the line i.e. tanФ, and c is the length of y-axis intercept.}

7 0
4 years ago
What does x equal? Please help. No trolls
aniked [119]

Answer:

The value of 'x' is 17.

Step-by-step explanation:

Given:

Δ IJK ≅ ΔPQR

m∠I = 3x + 4

m∠P = 72 - x

To Find:

x = ?

Solution:

Δ IJK ≅ ΔPQR ...........Given

If two triangles are congruent then the corresponding angles of congruent triangles are congruent.

∴∠ I ≅ ∠ P ........corresponding parts of congruent triangle (CPCT)

Substituting the values we get

3x+4=72-x\\\\3x+x=72-4\\\\4x=68\\\\\therefore x=\dfrac{68}{4}=17\\\\\therefore x =17

The value of 'x' is 17.

8 0
3 years ago
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