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sasho [114]
3 years ago
7

Emilia scored x points in a game . Sarah scored 3 less than 5 times as many points as Emilia . Together, Emilia and Sarah scored

a total of 39 points . How many points did Emilia score?
Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

x=6

Step-by-step explanation:

x + 5x - 3 = 39

6x - 3 = 39

6x = 36

x = 6

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Y=-3 - x, how to draw the graph​
adell [148]

Answer: See attachment below (graphing)

Step-by-step explanation:

<u>INFORMATION:</u>

The slope-intercept is when y=mx+b

mx=the slope

b=y-intercept

<u />

<u>REPHRASE EQUATION:</u>

y=mx+b

y=-3-x

y=(-1)x-3

<u>CONCLUSION:</u>

Slope=-1

Y-intercept=-3

Hope this helps!! :)

Please let me know if you have any questions

6 0
2 years ago
Read 2 more answers
Approximate the change in the volume of a sphere when its radius changes from r = 30 ft to r=10.1 ft [v(r)=4/3Ï€r^3]. When r cha
ella [17]

Answer: ∆V for r = 10.1 to 10ft

∆V = 40πft^3 = 125.7ft^3

Approximate the change in the volume of a sphere When r changes from 10 ft to 10.1 ft, ΔV=_________

[v(r)=4/3Ï€r^3].

Step-by-step explanation:

Volume of a sphere is given by;

V = 4/3πr^3

Where r is the radius.

Change in Volume with respect to change in radius of a sphere is given by;

dV/dr = 4πr^2

V'(r) = 4πr^2

V'(10) = 400π

V'(10.1) - V'(10) ~= 0.1(400π) = 40π

Therefore change in Volume from r = 10 to 10.1 is

= 40πft^3

Of by direct substitution

∆V = 4/3π(R^3 - r^3)

Where R = 10.1ft and r = 10ft

∆V = 4/3π(10.1^3 - 10^3)

∆V = 40.4π ~= 40πft^3

And for R = 30ft to r = 10.1ft

∆V = 4/3π(30^3 - 10.1^3)

∆V = 34626.3πft^3

3 0
3 years ago
The company charges $5 per sq ft, AND has a minimum charge of 3 sq ft per order (meaning if a customer orders something SMALLER
Sindrei [870]

Answer:

15 dollars

Step-by-step explanation:

12 inches = 1 ft

so 12 inch by 12 inches  is 1 ft * 1 ft

1 ft* 1 ft

1 ft^2

This is smaller than 3 ft^2 so they will get charged for 3 ft^2

3 ft^2 = 3 ft^2 * $5 / ft^2 = 15 dollars

6 0
3 years ago
300 hotdogs and hamburgers total. Hotdogs cost $2. Hamburgers cost $3. How many hamburgers? How many hotdogs?
kompoz [17]

Answer:

Step-by-step explanation:

75:50 = $300

6 0
2 years ago
Read 2 more answers
Quicky help????????????
sergeinik [125]

Step-by-step explanation:

first bring 87.5 to right

25t=12.5+87.5

25t=100.0

then bring 25 to right so it will divided

t=100.0/25

t=4

putting value of t in 25t-87.5=12.5

25(4)-87.5=12.5

5 0
3 years ago
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