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kirill [66]
3 years ago
13

HELPPPP PLEASE!!!!!!

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
8 0

Answer:

x = 7

Step-by-step explanation:

7x - 12 = 9x - 26

7x - 12 = 9x - 26

+12 +12

7x = 9x - 14

7x = 9x - 14

-9x -9x

-2x = -14

-2x = -14

___. ___

-2 -2

x = 7

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Last math question.
siniylev [52]

Answer:

<h2>y = 5x + 11</h2>

Step-by-step explanation:

\text{The slope-intercept form of an equation of a line:}\\\\y=mx+b\\\\m-\text{slope}\\b-\text{y-intercept}\\\\\text{Let}\\\\k:y=m_1x+b_1\\l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\k\ ||\ l\iff m_1=m_2\\=========================

\text{We have}\ y=5x+2\to m_1=5\\\\\text{therefore}\ m_2=5.\\\\\text{Put the value of the slope and the coordinates of the given point (-2, 1)}\\\text{to the equation of a line:}\\\\1=5(-2)+b\\1=-10+b\qquad\text{add 10 to both sides}\\1+10=-10+10+b\\11=b\to b=11\\\\\text{Finally:}\\\\y=5x+11

5 0
4 years ago
Luke plots his favorite places to go in his town on a coordinate plane. His 4 favorite places, the skateboard park, the ice crea
raketka [301]

We are given that:

The skateboard park is located at the point (-3,5),

the ice cream shop is located at the point (-3,6),

and the comic book store is located at (4,6).

We are also given that the four coordinates forms a rectangle.

Here we already have two matching x- coordinates as -3 and y coordinates as 6.

Now we must have two matching x and y coordinates too.

As shown in figure , if we have the last coordinate as (4,5), it will complete the rectangle.

So answer is option B) (4,5) is the last coordinate at which his best friend lives.


7 0
4 years ago
Read 2 more answers
Need Help asap<br> Choices<br> 9<br> 18<br> 60<br> 120
Bad White [126]

120 is the right answer that is what my teacher told me

8 0
3 years ago
in the function y-1=1/2(x-6)^2 what effect does the number 6 have on the graph, as compared to the graph y=x^2
butalik [34]

Answer: The graph is shifted 6 units to the right.

Step-by-step explanation:

It is important to remember that:

When f(x-k), then the function is shifted "k" units to the right.

Knowing this and given the quadratic parent function y=x^2 and the function y-1=\frac{1}{2}(x-6)^2, you can observe that one of the transformations is the following:

f(x-k)

Where:

k=6

Therefore, you can notice that the effect is:

The graph is shifted 6 units to the right.

7 0
3 years ago
What is the length of side a? Round to the nearest tenth of an inch. Enter your answer in the box. ( Answer in Inches )
Jet001 [13]

Given:

Base of a right triangle = 7 in

Height of a right triangle = a

Hypotenuse = 16 in

To find:

The length of side a.

Solution:

Using Pythagoras theorem:

\text{Base}^2+\text{Height}^2=\text{Hypotenuse}^2

7^{2}+a^{2}=16^{2}

49+a^{2}=256

Subtract 49 from both sides.

49+a^{2}-49=256-49

a^{2}=207

Taking square root on both sides, we get

a = 14.4

The length of side a is 14.4 in.

3 0
3 years ago
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