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Flauer [41]
3 years ago
6

Write the equation in slope-intercept form. What are the slope and y-intercept? -5x-8y=1

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
8 0

Answer:

Slope= -5/8

y-intercept = -1/8

Step-by-step explanation:

ALWAYS make the equation "y=mx+c"

where m = slope/gradient and c = y-intercept

Now rearrange the equation:

5x+8y=-1

8y=-5x-1

y=-5x/8-1/8

Slope= -5/8

y-intercept = -1/8

lions [1.4K]3 years ago
5 0

Answer:

slope = -5/8

y-intercept = -1/8

Step-by-step explanation:

Recall slope-intercept form of a linear equation looks something like this:

y = mx + b, where m = slope and b = y-intercept

given:

-5x-8y=1  (add 5x to both sides)

-8y = 1 + 5x  (divide both sides by -8)

y = -(1/8) + (5/-8) x

y = -(1/8) - (5/8)x

y = (-5/8)x - (1/8)

compare this with the formula above

slope = m = -5/8

y-intercept = c = -1/8

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Andreas93 [3]

Answer:

Pip gets £12

David gets £24

Bridget gets £24

Step-by-step explanation:

The ratio 1 : 2 : 2 is Pip : David : Bridget

Add all the numbers in the ratio together.

2+2+1=5.

Divide 60 by 5.

60÷5=12

Multiply 12 by each section in the ratio.

1×12 : 2×12 : 2×12

12 : 24 : 24.

7 0
3 years ago
(3 x 62) - 25 + n = 166
boyakko [2]

Step-by-step explanation:

the answer is 5

^^^^^^^^^^^^^^^^

4 0
3 years ago
Read 2 more answers
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 3 inches, and the larger gear has a ra
Dovator [93]
Circumference of a circle is C = 2πr.

part 1)

so the radius of the smaller gear is 3 inches, so after a full rotation, namely a revolution, the smaller gear has covered an arc of 2π(3), or 6π.

what angle has the larger gear of 7 inches in radius, has it covered with an arc of 6π?

\bf \textit{arc's length}\\\\
s=r\theta ~~
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad radians\\
------\\
s=6\pi \\
r=7
\end{cases}\implies 6\pi =7\theta \implies \cfrac{6\pi }{7}=\theta



part 2)

since the larger gear has a radius of 7, in a revolution it will have an arc of 2π(7), or 14π.

now, we know the smaller gear does a 6π arc in a revolution, how many revolutions will it do in an arc of 14π?

\bf \begin{array}{ccll}
arc&revolution\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
6\pi &1\\
14\pi &x
\end{array}\implies \cfrac{6\pi }{14\pi }=\cfrac{1}{x}\implies \cfrac{3}{7}=\cfrac{1}{x}\implies x=\cfrac{7}{3}
6 0
3 years ago
Find the areas of the figures below. can you find more than one method for each shape. ​
Alekssandra [29.7K]

Answer:

47.5! Ask if you wanna know how exactly i got this and the formulas!

Step-by-step explanation:

3 x 5 = 15

<em>15 / 2 = 7.5</em>

<em>5 x 5 = 25</em>

14 - 8 = 6

6 x 5 = 30

<em>30/2 = 15</em>

<em></em>

<em>7.5 + 25 + 15 = 47.5</em>

3 0
3 years ago
Read 2 more answers
Halla la suma de 3, ocho veces un número, y tres veces el mismo número
Svet_ta [14]

Answer:

3 + 11x

Step-by-step explanation:

Nuestra ecuación será: 3 + 8x + 3x

No sabemos qué es x, así que simplemente sumamos términos semejantes y obtenemos 3 + 11x

Espero que esto haya ayudado, por favor marque lo más inteligente, ¡gracias!

7 0
4 years ago
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