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avanturin [10]
4 years ago
15

PLEASE HELP WILL NAME BRAINIEST

Mathematics
2 answers:
djverab [1.8K]4 years ago
7 0

Answer:

1: -1\2

2: 2\4 simplified to 1\2

Step-by-step explanation:

for the first one it rises one and runs two that makes it one over two. 1\2 but since it's going down it will be negative one over two

for the second one it rise two and runs four but that's not an option so we simplify it. we divide the top by two and the bottom by two 2÷2=1 4÷2=2

seraphim [82]4 years ago
4 0

Slope formula: \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Slope of line one: -\frac{1}{2}

Slope of line two: \frac{1}{2}

Slope of line three: -\frac{2}{3}

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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In the given figure find the value of x.​
jek_recluse [69]

Answer:

It needs to equal 180 so just do that

5 0
3 years ago
A jet flies 600 kilometers in 3/4 hour. How far can the jet fly in 1 2/3 hours?
allsm [11]
600 = 45x  (x= minutes) 
13.3333333=x 

1*(2/3) = 80 minutes 

80x= 13.333333*80
<span>
Therefore the airplane flies 1066.66664 km in 80 minutes or 1 2/3 hours
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5 0
4 years ago
Read 2 more answers
WILL MARK BRAINLIEST
LekaFEV [45]
Suppose we have a generic equation of the form:
 ax ^ 2 + by ^ 2 + ax ^ 2 + cx + dy = f&#10;

 1) The first thing you must do to complete squares is to group similar terms of the form:
ax ^ 2 + cx + by ^ 2 + dy = f&#10;

 2) The second step is to complete the squares.

 3) The third step is factor the quadratic equation

 4) The fourth step is to identify the center and the radius

 Answer:
 
the first step in finding the center of the circle by completing the square is:
 
C group like terms
8 0
3 years ago
The temperature of a cup of coffee varies according to Newton's Law of Cooling: dT dt equals negative k times the quantity T min
Maslowich

Answer:

67.3°C

Step-by-step explanation:

A = 25, T(0) = 100, T(1) = 90, find T(4)

dT/dt = -k(T - A)

d(T - A)/dt = -k(T - A)

d(T - A)/(T - A) = -k dt

ln(T - A) = lnC - kt

T(t) -A=Ce^{-kt}\\T(t) = A + Ce^{-kt} = 25 + Ce^{-kt}\\T(0) = 25 + C = 100\\C=75

T(t) = 25 + 75e^{-kt}\\T(1) = 25 + 75e^{-k} = 90\\75e^{-k} = 65\\e^{-k} = \frac{65}{75}, k = ln\frac{75}{65} = 0.1431\\T(t) = 25+75e^{-0.1431t}\\T(4) = 25+75e^{-0.1431\times4} = 67.3

4 0
3 years ago
For an activity in class, students used pieces of string to measure roads on a map. They used a map scale to determine the
Elina [12.6K]

Answer:

The real-life distance to the nearest mile between Tampa and Orlando is 88 miles

Step-by-step explanation:

String distance between Fort Myers and Miami = 7 inches

A real life distance between Fort Myers and Miami = 154 miles

So, 7 inches = 154 miles

1 inch = \frac{154}{7}=22 miles

Scale : 1 inch = 22  miles

String distance between Tampa and Orlando = 4 inches

Using scale

The real-life distance to the nearest mile between Tampa and Orlando = 4 \times 22 = 88 miles

Hence The real-life distance to the nearest mile between Tampa and Orlando is 88 miles

6 0
3 years ago
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