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solong [7]
3 years ago
11

Can someone please help me with my math homework

Mathematics
1 answer:
Natali5045456 [20]3 years ago
6 0
Josephine travels 32500+78000 yards at 60 mph
=110500yards
=62.78miles

time = distance/spped
time = distance/60
time=62.78/60
time=1.05 (1 hour 5 mins)

Marcus travels 78000(2)(square) +32500(2)
= 84500yards
=48 miles

time = distance/speed
time=48/45
time=1.07 (1 hour 7 mins) 


a)Josephine arrives first
b)she arrives earlier by 2 mins.





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densk [106]

Answer:

third option

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 2x - 5 ← is in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-2} = \frac{1}{2} , then

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute (- 1, 1) into the partial equation

1 = - \frac{1}{2} + c ⇒ c = 1 + \frac{1}{2} = \frac{3}{2}

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7 0
3 years ago
A scientist is cooling a liquid at a steady rate. The temperature of the liquid changed by −8212 °C over 215 minutes. What was t
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-8212/215 = 38.19 degrees.
5 0
3 years ago
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0.3 continued times 15
seropon [69]
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3 years ago
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Got this one wrong need help
elixir [45]
Each angle on a triangle pertains to the opposite side

so let’s start by solving the equations:
6 + 4 = 10
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then order then look at what each of the sides is opposite to:

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6 0
2 years ago
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ratelena [41]

Answer: Width = 3cm

Length = 8cm

Step-by-step explanation:

Length = x+5 cm

Width = xcm

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8 0
3 years ago
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