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3 years ago

5

SOMEONE PLEASE HELP QUICK!!!!

1 answer:

kari74 [83]3 years ago

4 0

Answer:

the answer is Function :)

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Homework: 5.1 Systems of Linear Equations

Klio2033 [76]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

Step-by-step explanation:

Given the system of linear equations

$7x-y=51$

$x+3y=23$

solving by the elimination method

$\begin{bmatrix}7x-y=51\\ x+3y=23\end{bmatrix}$

$\mathrm{Multiply\:}x+3y=23\mathrm{\:by\:}7\:\mathrm{:}\:\quad \:7x+21y=161$

$\begin{bmatrix}7x-y=51\\ 7x+21y=161\end{bmatrix}$

$7x+21y=161$

$-$

$\underline{7x-y=51}$

$22y=110$

so

$\begin{bmatrix}7x-y=51\\ 22y=110\end{bmatrix}$

now solving for y

$22y=110$

$\mathrm{Divide\:both\:sides\:by\:}22$

$\frac{22y}{22}=\frac{110}{22}$

$y=5$

$\mathrm{For\:}7x-y=51\mathrm{\:plug\:in\:}y=5$

$7x-y=51$

$7x-5=5$

$7x=56$

$\mathrm{Divide\:both\:sides\:by\:}7$

$\frac{7x}{7}=\frac{56}{7}$

$x=8$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

7 0

3 years ago

Find AB<br> B<br> с<br> 10 cm<br> A<br> 14 cm

Dovator [93]

Answer:

formula to find area = (1/2) b h

= (1/2) x Base x Height

substitute the values

= (1/2) x 18 x 12

= 108 cm2

Step-by-step explanation:

8 0

3 years ago

Lauren is planning a field trip. She has 79 students and 12 chaperones attending. Each bus can hold 32 people. How many busses w

zaharov [31]

I would think 3? it should be 3 because 32*2=64 which isn’t everyone 32*3 is 96
79+12=91

6 0

3 years ago

Read 2 more answers

give an example of a rule describing the pattern for a sequence. Then write the terms of the sequence for your rule

just olya [345]

Let the nth term of a sequence be 4n + 1 where n is the sequence number of the term with n starting as 1.

The sequence would then be
4(1) + 1, 4(2) + 1 and so on....

= 5, 9, 13, 17.......

4 0

3 years ago

HELP????????????????????????????????????????

balandron [24]

Answer:

No

it goes on forever so no

8 0

3 years ago