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MrRa [10]
3 years ago
11

I need help ASAP please

Mathematics
1 answer:
Akimi4 [234]3 years ago
6 0

Answer:

The answer is the second one

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Which equation represents a line that passes through (–9, –3) and has a slope of –6?
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Answer:

y+3= -6(x+9) is the answer

Step-by-step explanation:

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3 years ago
Read 2 more answers
if revenue for week is $2000 and labor cost consists of 2 workers earning $8 per hour who worked 40 hours each, what is the labo
STALIN [3.7K]
40 hrs at 8 bucks, 40*8 or 320, now, is 2 workers, so 320+320 or 640

so... how much is 640 from 2000 in percentage? well, if we take 2000 as the 100%, then   \bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
2000&100\\
640&x
\end{array}\implies \cfrac{2000}{640}=\cfrac{100}{x}

solve for "x"
3 0
3 years ago
Which best describes the realationship between the successive terms in the sequence shown
Kaylis [27]

Answer:

the \: common \: difference \: is \:  - 10

Step-by-step explanation:

- 9 - 10 =  - 1

- 1 - 10 =  - 11

- 11 - 10 =  - 21

HOP THIS HELPS!

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5 0
2 years ago
Help ASAP please!!!
satela [25.4K]
In order to find this, you need to find the difference between the price. Take 2.89 and subtract it by 2.82. You should now have .07. Next, take the .07 and divide by the original number(2.89). Your answer is .02422, or 2.4%
8 0
3 years ago
"Find y". I got this wrong and want to understand why and how to do the problem. Can someone please help?
podryga [215]

Answer:

y=\frac{15\sqrt{3} }{4}

Step-by-step explanation:

Well what you have here are two right triangles within another right triangles created by an altitude. This results in 3 similar triangles (see attached for reference)

As a result , using the properties of similar triangles, and taking ratios of their sides of the medium triangle and the largest triangle, we can form the following relationship:

\frac{b}{z}=\frac{y}{x} = \frac{z}{a+b}  (we know that a+b = 15), hence the equation becomes:

\frac{b}{z}=\frac{y}{x} = \frac{z}{15}  ----------eq 1

If we consider the largest triangle, we will see that

cos 30° = z / 15

but from our special angles (see second attachment) we know that cos 30° = (√3)/2

hence

(√3)/2 = z / 15

z = (15√3) / 2 --------eq 2

from the same largest triangle, we will also see that

sin 30° = x / 15

similarly from our special angles, we know that sin 30° = 1/2

hence,

1/2 = x/15

x = 15/2 --------eq 3

now that we have values for x and z, we can neglect the first term of equation 1 and form an equality with x, y and z

\frac{y}{x} = \frac{z}{15}

y = x\frac{z}{15}  (substituting the values for x and z that we found above)

y = (15/2) · [ (15√3) / 2] / 15

y = (15√3) / 4

y=\frac{15\sqrt{3} }{4}

8 0
3 years ago
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