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Lelu [443]
3 years ago
15

Write the equation of the line passing through the points (-4,7) and (-7,4)​

Mathematics
2 answers:
Mandarinka [93]3 years ago
8 0
The answer is: 1

To find the equation I subtract 4-7 and -7-(-4). I receive the answer of -3/-3.

-3/-3 simplifies 3/3 which is equal to 1.

So the equation is 1? I think this is the correct answer
Mnenie [13.5K]3 years ago
5 0

Answer:

y=x+11

Step-by-step explanation:

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yes it is all obtuse angles have measures greater than 90°.

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Simplify: Log3 27 = x can anybody help me with this?? Thank you!!
Allushta [10]

Answer:3

Step-by-step explanation:

3 ^x= 27

X=3

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Triangle ABC is similar to triangle DEF. Find the value of side length DE. Side length DE is cm.
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Step-by-step explanation:

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3 years ago
X=2y-4<br>7x+5y=-66 <br> what is the x- value​
Gwar [14]

Answer:

x = -8

Step-by-step explanation:

x = 2y - 4 --- Equation 1

7x + 5y = -66 --- Equation 2

I will be using the substitution method to solve this.

Substitute x = 2y - 4 into Equation 2:

7x + 5y = -66

7(2y - 4) + 5y = -66

Evaluate.

14y - 28 + 5y = -66

Evaluate like terms.

19y - 28 = -66

Isolate 19y.

19y = -66 + 28

     = -38

Find y.

y = -38 ÷ 19

y = -2 --- Equation 3

Substitute y = -2 into Equation 1:

x = 2y - 4

x = 2(-2) - 4

Evaluate.

x = -4 - 4

x = -8

5 0
3 years ago
A ball is tossed up in the air at an initial rate of 50 ft/sec from 5 ft off the ground.
Fofino [41]

Answer with Step-by-step explanation:

Since we have given that

Initial velocity = 50 ft/sec = v_0

Initial height of ball = 5 feet = h_0

a. What type of function models the height (ℎ, in feet) of the ball after tt seconds?

As we know the function for height h with respect to time 't'.

h(t)=-16t^2+v_0t+h_0\\\\h(t)=-16t^2+50t+5

b. Explain what is happening to the height of the ball as it travels over a period of time (in tt seconds).

What function models the height, ℎ (in feet), of the ball over a period of time (in tt seconds)?

if it travels over a period of time then time becomes continuous interval . so it will use integration over a period of time

Our function becomes,

h(t)=\int\limits^t_0 {-16t^2+50t+5} \, dt

3 0
3 years ago
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