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tester [92]
3 years ago
9

Can someone please help me i will mark brainliest

Mathematics
2 answers:
docker41 [41]3 years ago
6 0
Slope=7/2=3.5
Up 7, over 2
alekssr [168]3 years ago
6 0
Slope = 7/5 = 3.5
Up 7, over 2
That’s should be your answer
Hopefully I’m right :)
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A line passes through the point (-2, 7) and has a slope of -5.
trapecia [35]

Answer:

a= -1

B

Step-by-step explanation:

My opinion:

the slope m = (y2 - y1) / (x2 - x1)

slope m is -5

y2 is 7

y1 is 2

x2 is -2

x1 is a

so the equation will be

-5 = (7 - 2) / (-2 -a )

10 + 5a = 5

5a = -5

a = -1

Then you can plug the value a = -1 into the equation of the slope m to double check it.

5 0
3 years ago
what are the possible numbers of positive real, negative real and complex zeros of f(x)=4x^3+x^2+10x-14
adoni [48]

Answer:

Positive real 1

Negative real 0

Complex 2

Step-by-step explanation:

∵ 4x³ + x² + 10x - 14 = 0 is third degree

∴ It has three roots:

1 positive real root

2 conjugate complex roots

6 0
3 years ago
Using identity what is the square of a+2b
kakasveta [241]

Answer:

You have to Divide

Step-by-step explanation:

4 0
2 years ago
What is y² + 11x ?
NikAS [45]
Y to the second power and 11 x over 1
6 0
4 years ago
A brand-new vehicle is bought this year for $35,000. This vehicle model is expected to depreciate by about 12% in resale value a
nevsk [136]

Answer:

The model for the resale value of the vehicle is

A=35000(0.88)^x

where A is the resale value of the car after x years in dollar.

The resale value of the car after 10 years is $9747.53.

Step-by-step explanation:

Given that, a brand new vehicle is bought this year for $35,000.

This vehicle model is expected to depreciate by about 12 % in resale value annually.

We use the following formula to find the value of car after t year,

A=P(1+r)^t

A= the value of car after t years

P= initial amount of the car

r = rate

t = time

since the value of decreases so, r= -12%,t=x years, P=$35,000

A=35000(1-0.12)^x

\Rightarrow A=35000(0.88)^x

where A is the resale value of the car after x years in dollar.

The model for the resale value of the vehicle is

A=35000(0.88)^x

To find the resale value of car after 10 years, we put x=10 in the above model equation

A=35000(0.88)^{10}

    =$9747.53

The resale value of the car after 10 years is $9747.53.

5 0
3 years ago
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