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sergeinik [125]
3 years ago
5

3x + 6y = 42 -7x + 8y = -109

Mathematics
1 answer:
Sladkaya [172]3 years ago
7 0

Answer:

x+2y-14=0

Step-by-step explanation:

Divide both sides of equation by 3

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PLS HELP ILL GIVE BRAINLIST!
lyudmila [28]

Answer:

8

Step-by-step explanation:

A2+B2=C2

A2+15squared=17squared

A2+225=289

289-225=64

A2=64

64 squared is 8

7 0
3 years ago
Help me please. <br> F(x) = 4 - 3x <br> f(10) =
tigry1 [53]

Answer:

f(10) = - 26

Step-by-step explanation:

To evaluate f(10), substitute x = 10 into f(x), that is

f(10) = 4 - 3(10) = 4 - 30 = - 26

8 0
3 years ago
What is the slope of the line?
abruzzese [7]
The slope of the line is 2
7 0
3 years ago
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The area of a square is 144cm2.what is the measurement of each side​
Dmitry [639]

The area of a square is 144 cm^2. The measurement of each side​ is 12 cm

<u>Solution:</u>

Given, The area of a square is 144 cm^2

We have to find that what is the measurement of each side.

Now, we know that, area of a square = product of side value with another side value.

Let the side value of given square be "s"

Then, <em>Area of square is given as:</em>

\begin{array}{l}{\text {area of square}=s \times s} \\\\ {\text {Area of square}=s^{2}} \\\\ {144=s^{2}} \\\\ {s=\sqrt{144}} \\\\ {s=\sqrt{12^{2}}}\end{array}

On cancelling square root and square on right side,we get

s = 12

Hence, the side value of the square is 12 cm.

8 0
3 years ago
What are the x- and y-intercepts for the graph of −5x − 4y = −20? Plz explain your answer.
yarga [219]

Answer:

-20

Step-by-step explanation:

5

x

−

4

y

=

−

20

Find the x-intercepts.

Tap for more steps...

x-intercept(s):

(

−

4

,

0

)

Find the y-intercepts.

y-intercept(s):

(

0

,

5

)

List the intersections.

x-intercept(s):

(

−

4

,

0

)

y-intercept(s):

(

0

,

5

)

8 0
3 years ago
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