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Inessa [10]
2 years ago
8

Please answer correctly

Mathematics
2 answers:
mrs_skeptik [129]2 years ago
7 0

Answer:

y=2x-1

Step-by-step explanation:

up 2 right 1 for slope

y intercept is -1

melomori [17]2 years ago
7 0

Answer:

\boxed{(b) \: y = 2x - 1}

Step-by-step explanation:

<h3>Find the gradient </h3>

( 2,3 ) and ( 0, -1)

m =   \frac{y2 - y1}{x2 - x1}  =  \frac{ - 1 - 3}{0 - 2}  =  \frac{ - 4}{ - 2}  = 2

Gradient is 2

<h3>Find linear equation</h3>

y - y1 = m ( x - x1 )

y - 3 = 2 ( x - 2 )

y - 3 = 2x - 4

y = 2x - 4 + 3

\boxed{y = 2x - 1}

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2.5 X 10^5 divided by 1.0 X 10^10
bekas [8.4K]

Answer:

0.000025

Step-by-step explanation:

PEMDAS (Exponets first.)

10^5 = 100,000

10^10 = 10,000,000,000

rewrite

2.5 x 100,000 divided by 1.0 x 10,000,000,000

PEMDAS (multiplication next.)

2.5 x (10^5) = 250,000

1.0 x (10^10) = 10,000,000,000

rewrite.

250,000 divided by 10,000,000,000 = 0.000025

0.000025

6 0
3 years ago
After selecting 180 of its employees to from a new division, a company discovers that engineers outnumber analysts by a 3:1 rati
nikdorinn [45]

Answer:

I think its 90

Step-by-step explanation:

3x plus 1x is 4x divide 180 but 4 and get 45 so that meab there are 135 and 45

you need 90 more analysts to have a 1 to 1 ratio

3 0
3 years ago
Jim ran 15 miles in 5 days. At this rate, how many days will it take Jim to run 165 miles?
AleksAgata [21]

Answer:

55 days

Step-by-step explanation:

Given

Jim ran 15 miles in 5 days

no. of miles ran in 5 days = 15 miles

dividing LHS and RHS by 5

no. of miles ran in 5/5(=1) days = 15/5 miles = 3 miles

no. of miles ran in 1 day =  3 miles

let the no. of days taken to run 165 miles be x   ----A

No of miles ran in x days = x*no. of miles ran in 1 day = 3x miles

thus,  From A

3x  = 165

x = 165/3 = 55

Thus, it took 55 days for JIM to run 165 miles

3 0
3 years ago
What is the slope and what is the y intercept of y=<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B4%7D%20" id="TexFormula
WARRIOR [948]
<span> [ x = -9 i think ok hop it helps you</span>
4 0
3 years ago
Read 2 more answers
How do you solve common core math when it asks you to write the first step question and answer?
slega [8]
Represent addition and subtraction with objects, fingers, mental images, drawings1, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
7 0
3 years ago
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