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Makovka662 [10]
2 years ago
13

ILL GIVE BRAINLY THING

Mathematics
1 answer:
harina [27]2 years ago
8 0

9514 1404 393

Answer:

  b.  They are at a speed of 30 mph when time begins.

Step-by-step explanation:

The y-axis represents time zero, when time begins. The curve intercepts the y-axis at y=30. Y-values on the graph represent speed in miles per hour (mph), so a y-value of 30 at the point on the y-axis represents ...

  a speed of 30 mph when time begins

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Devon wants to write an equation for a line that passes through 2 of the data points he has collected. The points are (8, 5) and
melamori03 [73]
Use slope formula to find slope <span><span><span>−9−5</span><span>−/12−8</span></span>=<span><span>−14/</span><span>−20</span></span>=<span>7/10</span></span> 7/10 = m = slope  
y= mx + b
y= (7/10)x + b
(8,5)
(5) = (7/10)(8) + b
b = -3/5

So.... <span>y=(<span>7/10)</span>x −<span>35

</span></span> multiply by 10

<span>10y=7x−6</span><span> --> -7x + 10y = -6
 --> 7x - 10y = 6
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6 0
3 years ago
Read 2 more answers
Point M is the midpoint of CD¯¯¯¯¯¯¯¯. C has coordinates of (-1, 1) and D has coordinates of (5,-5). What are the coordinates of
snow_lady [41]

Answer:

The answer is (2,-2)

7 0
2 years ago
How many solutions in the equation below 145=10x-8x
iren2701 [21]

Answer:

One

Step-by-step explanation:

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72.5=x that's one solution.

4 0
3 years ago
the library at a certain University reported the journal prices had increased by 150% over a period of 10 years The report concl
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1.15¹⁰=4.0456, the growth rate, so the increase is 3.0456 or 305%.
7 0
3 years ago
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What is the area of the regular polygon?
BartSMP [9]

Answer:

You could use the polygon area formula OR here's an easier solution

We draw the lines DC and DE

Angle ADC = 120°

Triangle ADC is a 30 60 90 triangle

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Line AE = 3 * 0.8660254038  = 2.5980762114

Line DE = 1.5

Area of Triangle ADE = .5 * 1.5 * 2.5980762114 =

1.9485571586   square meters and entire area of Triangle

ABC = 6 * 1.9485571586

which equals 11.6913429513  square meters

Step-by-step explanation:

6 0
3 years ago
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