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3 years ago

9

Is it the green?Which line has a slope of 2?

2 answers:

OleMash [197]3 years ago

8 0

Answer:

With all the lines, I may be wrong. But I'm confident that line B has a slope of 2.

This is because it rises up 2 up the y axis for every one unit on the x axis.

Zarrin [17]3 years ago

6 0

Answer: B

Step-by-step explanation: If you do rise over run, you will find that B is correct. It rises two and runs one.

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Calculate the length of AC

Liono4ka [1.6K]

Answer:

Length of the side AC is 12 units.

Step-by-step explanation:

Here, in the triangle ABC

Base = 5 units

Let, Perpendicular = k units

Hypotenuse = 13 units

In a Right angle triangle, by PYTHAGORAS THEOREM:

$(Base)^{2} + (Perpendicular)^{2} = (Hypotenuse)^{2}$

Similarly, in triangle ABC

$(AB)^{2} + (AC)^{2} = (BC)^{2}$

or, $(5)^{2} + (k)^{2} = (13)^{2}$

⇒ $k^{2} = 169 - 25 = 144$

⇒ k = 12, or k= -12

But as k is the length of a side of a triangle so, k ≠ -12

⇒ k = 12

Hence, the length of the side AC = 12 units.

8 0

3 years ago

Correctly compare the numbers.<br><br> 0.9 1.1<br><br> 1. = 2. < 3. >

creativ13 [48]

Answer:

2. <

Step-by-step explanation:

A units digit of 0 is less than a units digit of 1, so ...

0.9 < 1.1

6 0

3 years ago

Calculate the amount of money you'll have at the end of the indicated time period.

sashaice [31]

Answer:0

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

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

Isabella is making a display board for the school council elections. the display is 4.25ft by 6 ft rectangle. she needs to add a

inna [77]

(4.25×2)+(6×2)=
8.5+12=20.5ft

5 0

3 years ago