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Anastasy [175]
3 years ago
6

Are my answers correct?

Mathematics
1 answer:
Kay [80]3 years ago
4 0

Answer:

They are correct

Step-by-step explanation:

And I have to put an explanation bc my other account got blocked bc of all this

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What is −30−6r= -36 ?
Nadya [2.5K]

-30-6r=36

We move all terms to the left:

-30-6r-(36)=0

We add all the numbers together, and all the variables

-6r-66=0

We move all terms containing r to the left, all other terms to the right

-6r=66

r=66/-6

r=-11

7 0
3 years ago
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Em dois retângulos semelhantes, a ampliação foi de 10 cm por 12 cm, para 20 cm por 24 cm, qual a razão de semelhança (K)?
Semenov [28]

Answer:

1,2

Step-by-step explanation:

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3 years ago
Someone please help me with my multiplying polynomials practice!!!
k0ka [10]

Answer:

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Step-by-step explanation:

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3 years ago
The points (4,r) and (8,-5) lie on a line with slope -1. Find the missing coordinate rp
seropon [69]

\bf (\stackrel{x_1}{4}~,~\stackrel{y_1}{r})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{-5}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-5-r}{8-4}~~=~~\stackrel{\stackrel{m}{\downarrow }}{-1}\implies \cfrac{-5-r}{4}=-1 \\\\\\ -5-r=-4\implies -r=1\implies r=-1

6 0
3 years ago
Which choice is the equation of the line that passes through the point (5, 19) and has a slope of
Liono4ka [1.6K]

Answer:

The equation is;

y = 12x-41

Step-by-step explanation:

Mathematically;

slope intercept form is;

y = mx + b

where m is slope and b is intercept

Since we already have the slope , the equation is;

y = 12x + b

To get b which is the y intercept, we simply substitute the value of the points given

Thus;

19 = 5(12) + b

19 = 60+ b

b = 19-60

b = -41

So the equation is;

y = 12x - 41

3 0
3 years ago
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