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svetlana [45]
3 years ago
11

Based on the housing data below, which equation can be used to calculate

Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0

Answer: y= 0.074x + 50.48

Step-by-step explanation:

You might be interested in
: Question Help
Mrac [35]

Answer: 12 pounds

Step-by-step explanation:

0.80x + 3 = $12.60

            -3      -3

0.80x = $9.60

9.60 / 0.80 = 12

x = 12 pounds

6 0
3 years ago
Attendance dropped 6% this year to 300 what was the attendance before the drop?
mart [117]

Answer:

approx 4,130

Step-by-step explanation:

Answer this we have to multiply the attendance before the drop (x) by the percentage that assisted after the drop ( 1-0.08) . That expression must be equal to the attendance after the drop (3800)

Mathematically speaking:

8% = 8/100 = 0.08 (decimal form)

x (1-0.08)= 3800

x (0.92) =3800

Solving for x

x = 3800/0.92

x= 4,130

5 0
3 years ago
The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its position after t seconds is
iren [92.7K]

Answer:

The temperature is increasing at the rate of 6.5 degree celcius per second.

Step-by-step explanation:

We are given the following information:

Temperature of a point is given by T(x,y)

After t seconds a bug reaches a point x = \sqrt{2 + t}, y = 3 + \frac{1}{2}t

At t = 2, x = 2, y = 4

The temperature function satisfies:

T_x(2,4) = 8\\T_y(2,4) = 9

We have to find:

\displaystyle\frac{dT}{dt} = T_t(x(t), y(t))\\\\= T_x(x(t),y(t)).x'(t) + T_y(x(t),y(t)).y'(t) \\\\= T_x(x(t),y(t)).\displaystyle\frac{1}{2\sqrt{(t+2)}} + T_y(x(t),y(t)).\displaystyle\frac{1}{2} \\\\\displaystyle\frac{dT(x,y)}{dt}_{at~t=2} = \displaystyle\frac{dT(2,4)}{dt}_{at~t=2} = 8.\displaystyle\frac{1}{4} + 9.\displaystyle\frac{1}{2} = 2 + 4.5 = 6.5

Hence, the temperature is increasing at the rate of 6.5 degree celcius per second.

3 0
4 years ago
recipe calls for 3 cups of sugar for every one cup of butter how much butter should be used for 14 cups of sugar write as a mixe
8090 [49]

Answer:

4  2/3

Step-by-step explanation:

You would divide 14 by three to see how many cups of butter you would need. The answer is 4  2/3

5 0
3 years ago
Read 2 more answers
What are the solutions of the equation x4 95x2 â€"" 500 = 0? Use factoring to solve.
liq [111]

All the values of the <em>x</em> <em> </em>for the given function are \sqrt{5},-\sqrt{5}, 10i and -10i.

Given-

Given function is,

x^{4}+95x^2-500=0

Rewrite the equation,

(x^2)^2+95x^2-500=0

Let <em>u </em>in place of x^2 and rewrite the equation in the form of u,

u^2+95u-500=0

Break the 95 in factors and rewrite the equation,

u^2+100u-5u-500=0

u(u+100)-5(u+100)=0

(u+100)(u-5)=0

Replace the value of u with x^2,

(x^2+100)(x^2-5)=0

It is known that If any individual factor on the left side of the equation is equal to zero then the entire expression will be equal to zero. therefore we get,

x^2-5=0

further, solve it,

x^2=5

x=\sqrt{5},-\sqrt{5}

And another factor is

x^2+100=0

x^2=-100

x=10i,-10i

Hence, all the values of the <em>x </em>for the given function are \sqrt{5},-\sqrt{5},  10i , and  -10i.

For more about the factorization, follow the link below-

brainly.com/question/6810544

5 0
3 years ago
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