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2 years ago

5

HELLPPP ITS ABOUT FUNCTIONS EXPLANATION NEEDEDD HELPPP

1 answer:

frosja888 [35]2 years ago

4 0

Answer:

C y =2x -3

Step-by-step explanation:

The y intercept is the value when x =0

A y = -4x+15 The y intercept is 15

B The y intercept is -2

C y =2x -3 The y intercept is -3

D The y intercept is 2

The smallest ( least) y intercept is -3

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A line segment has a midpoint of (7, 1/2) <br> If one endpoint is (5,3), what is the other endpoint?

Tanya [424]

So if 7 is the middle x-value, you calculate how far it is from the given endpoint in order to determine how far it is from the other endpoint. So,

7 -5 =2, so the other endpoint must be 2 away from 7 in the opposite direction, 7+2=9

Then repeat with y,

3-1/2=5/2, therefore 1/2 - 5/2 = -4/2= -2

So the point is (9, -2)

5 0

3 years ago

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A quantity with an initial value of 6200 decays continuously at a rate of 5.5% per month. What is the value of the quantity afte

ELEN [110]

Answer:

410.32

Step-by-step explanation:

Given that the initial quantity, Q= 6200

Decay rate, r = 5.5% per month

So, the value of quantity after 1 month, $q_1 = Q- r \times Q$

$q_1 = Q(1-r)\cdots(i)$

The value of quantity after 2 months, $q_2 = q_1- r \times q_1$

$q_2 = q_1(1-r)$

From equation (i)

$q_2=Q(1-r)(1-r) \\\\q_2=Q(1-r)^2\cdots(ii)$

The value of quantity after 3 months, $q_3 = q_2- r \times q_2$

$q_3 = q_2(1-r)$

From equation (ii)

$q_3=Q(1-r)^2(1-r)$

$q_3=Q(1-r)^3$

Similarly, the value of quantity after n months,

$q_n= Q(1- r)^n$

As 4 years = 48 months, so puttion n=48 to get the value of quantity after 4 years, we have,

$q_{48}=Q(1-r)^{48}$

Putting Q=6200 and r=5.5%=0.055, we have

$q_{48}=6200(1-0.055)^{48} \\\\q_{48}=410.32$

Hence, the value of quantity after 4 years is 410.32.

4 0

3 years ago

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Can anyone help please

Liula [17]

The answer is yes. The triangles are congruent.

I measured them with a ruler and they are the same length.

Hope this helped! c:

8 0

3 years ago

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5a + 3b + c= 40<br> a-3b+2c= -10<br> 14a-2b+3c= 50

aalyn [17]

Answer:

a= 40-3b-c/5

a=-10+3b-2c

a=50+2b-3c/14

Step-by-step explanation:

5a+3b+c-(3b+c)=40-(3b+c)

5a=40-3b-c

5a/5=40/5-3b/5-c/5

a= 40-3b-c/5

a-3b+2c-(3b+2c)=-10-(-3b+2c)

a=-10+3b-2c

14a-2b+3c-(-2b+3c)=50-(-2b+3c)

14a=50+2b-3c

14a/14=50/14+2b/14-3c/14

a=50+2b-3c/14

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3 years ago

Find the area of the circle. Leave your answers in terms of pi.

Savatey [412]

Answer:

49pi m^2

Step-by-step explanation:

Area of circle=pi r^2

D=2r=14

r=7

Area of circle =7^2pi=49pim^2

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2 years ago

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