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emmainna [20.7K]
3 years ago
13

Can someone answer #7 please. you dont need to solve it i just need the equation! (algebra 2)

Mathematics
1 answer:
Serggg [28]3 years ago
3 0

Answer:

2800 = 20 x + 25 y + 5 b

200 = b + x + y

x + y = b

b is books, x is school bags and y is sweaters.

<em>Hope</em><em> </em><em>this</em><em> </em><em>helped</em><em> </em><em>and</em><em> </em><em>plz</em><em> </em><em>mark</em><em> </em><em>as</em><em> </em><em>brainliest</em><em>!</em>

<em>Luna</em><em> </em><em>G</em><em>.</em>

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What is the slope of line a?
EastWind [94]

Given:

The graph of a line a.

To find:

The slope of the line a.

Solution:

Slope formula:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the given graph it is clear that the line a passes through the points (-1,1) and (0,-2). So, the slope of the line a is:

m=\dfrac{-2-1}{0-(-1)}

m=\dfrac{-3}{1}

m=-3

The slope of the line a is -3. Therefore, the correct option is C.

6 0
3 years ago
Find the distance between the points (a1, b1) and (a2, b2).
Molodets [167]

Step-by-step explanation:

Let there be point X whose coordinates are (a2,b2) and point Y whose coordinates are (a1,b1)

Using distance formula ,

\sqrt{ ({a}^{2} -  {a}^{1}) + ( {b}^{2} -  {b}^{1}  )  }

where \:  {a}^{2 }  >  {a}^{1}   \: and \: \:   {b}^{2}  >  {b}^{1}

If \:  {a}^{1} > {a}^{2} \: and \: {b}^{1}>{b}^{2}

Distance formula will be

\sqrt{({a}^{1} - {a}^{2}) + ({b}^{1} - {b}^{2})}

8 0
3 years ago
Https://brainly.com/question/22777864 pls help
Angelina_Jolie [31]

Answer:

hey

Step-by-step explanation:

3 0
3 years ago
B<br> 8<br> 7<br> Find the length of "e" to the<br> nearest tenth using the<br> Pythagorean Theorem.
Juliette [100K]

Answer:

≈ 10.63

Step-by-step explanation:

Pythagorean Theorem... Possibly the most easy theory in math once you understood it.

Here's the formula.

A^2+B^2=C^2

AB would be the hypothenuse

BC would be the opposite

CA would be the Adjacent.

But let's not make it complicated though, the question is actually quite easy.

You are asked to find AB, the hypothenuse.

The hypothenuse would be C.

BC and CA would be A and B.

It doesn't matter where are you going to place the numbers.

So, 7^2 + 8^2

7^2 + 8^2 = 49 + 64\\

= 113

Now we would have to square root 113 since A^2+B^2=C^2

\sqrt{113} is an irrational number, and the question asks you to round ro the nearest tenth.

\sqrt{113} =10.63014581

≈ 10.63

Your answer would be 10.63

<h2>Hope this answer helped :)</h2>
7 0
3 years ago
Read 2 more answers
A 14.6<br>b. 16.0<br>c 21.0 <br>d 15.0 ​
8090 [49]

Answer:

A

Step-by-step explanation:

correct me if I'm wrong

8 0
3 years ago
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