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3 years ago

9

Does anyone know how to do these to, i need help asap please!! will give brainliest and 16 points

1 answer:

Alika [10]3 years ago

7 0

Answer:

It cannot create a triangle because the two shorter sides, of length 2 and 3, added up is equivalent to the longest side. This means that it would not be a triangle, just 2 overlapping lines. Try drawing a triangle with these side lengths and you will see what I mean.

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Simplify 8 - (-5) - 4(-7).

IgorC [24]

Answer:41

Step-by-step explanation:

8 - (-5) - 4(-7) = 8+5+4*7=13+28=41

7 0

2 years ago

The value V of a certain automobile that is t years old can be modeled by V(t) = 14,651(0.81). According to the model, when will

lakkis [162]

Answer:

a) The car will be worth $8000 after 2.9 years.

b) The car will be worth $6000 after 4.2 years.

c) The car will be worth $1000 after 12.7 years.

Step-by-step explanation:

The value of the car after t years is given by:

$V(t) = 14651(0.81)^{t}$

According to the model, when will the car be worth V(t)?

We have to find t for the given value of V(t). So

$V(t) = 14651(0.81)^{t}$

$(0.81)^t = \frac{V(t)}{14651}$

$\log{(0.81)^{t}} = \log{(\frac{V(t)}{14651})}$

$t\log{(0.81)} = \log{(\frac{V(t)}{14651})}$

$t = \frac{\log{(\frac{V(t)}{14651})}}{\log{0.81}}$

(a) $8000

V(t) = 8000

$t = \frac{\log{(\frac{8000}{14651})}}{\log{0.81}} = 2.9$

The car will be worth $8000 after 2.9 years.

(b) $6000

V(t) = 6000

$t = \frac{\log{(\frac{6000}{14651})}}{\log{0.81}} = 4.2$

The car will be worth $6000 after 4.2 years.

(c) $1000

V(t) = 1000

$t = \frac{\log{(\frac{1000}{14651})}}{\log{0.81}} = 12.7$

The car will be worth $1000 after 12.7 years.

5 0

2 years ago

PLZZ HELP I NEED AN EXPERT ANSWER

yanalaym [24]

This one is D.

The y-intercept has to be below 20 and the slope has to be above 1.

5 0

2 years ago

How many solutions are there to the equation below?

mote1985 [20]

Anwer is C. Infinitely many solutions <33

4 0

1 year ago

I’m super confused can anyone solve this

Ronch [10]

Answer:

x=5°, angle A=50°

Step-by-step explanation:

8x+11x-5+90=180

19x=95

x=5°

-->A= 11x-5

= 11*5-5

=50°

4 0

1 year ago