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Alex777 [14]
2 years ago
15

Amelia recorded the average rainfall amount, in inches, for two cities over the course of a few months.

Mathematics
2 answers:
Ann [662]2 years ago
6 0
City a: 5+4+3+5+5+4+2=28 divided by 7=4. city b:3+6+7+3+8+3=30 divided by 6=5.
B)City a: 4, city b: 1.5.
that is all i can do. 
kondaur [170]2 years ago
5 0
A.) City A = 4 (2+3+4+4+5+5+5=28,28/7=4) City B = 5 (3+3+3+6+7+8=30,30/6=5)
B.) City A = 4 (2,3,4,4,5,5,5) City B = 4.5 (3,3,3,6,7,8)
C.) City A = 5 City B= 3
D.) City A = 3 City B = 5
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11) Endpoint: (0,4), midpoint (-10, -3)<br> Find the endpoint?
earnstyle [38]

Answer:

(-20,-10)

Step-by-step explanation:

( - 10 \:  \:  - 3) = ( \frac{0 + x}{2}  \:  \:  \frac{4 + y}{2} )

Solve for.x coordinate

- 10 =  \frac{0 + x}{2}  \\  - 20 = 0 + x \\ x =  - 20

solve for y coordinate

- 3 =  \frac{4 + y}{2}  \\  - 6 = 4 + y \\  - 10 = y

5 0
3 years ago
If m(-12) =0 is the result of M(x) using the reminder theorem then what do -12 and 0 represent?
lions [1.4K]

Suppose we wish to determine whether or not two given polynomials with complex coefficients have a common root. Given two first-degree polynomials a0 + a1x and b0 + b1x, we seek a single value of x such that

Solving each of these equations for x we get x = -a0/a1 and x = -b0/b1 respectively, so in order for both equations to be satisfied simultaneously we must have a0/a1 = b0/b1, which can also be written as a0b1 - a1b0 = 0. Formally we can regard this system as two linear equations in the two quantities x0 and x1, and write them in matrix form as

Hence a non-trivial solution requires the vanishing of the determinant of the coefficient matrix, which again gives a0b1 - a1b0 = 0.

Now consider two polynomials of degree 2. In this case we seek a single value of x such that

Hope this helped, Hope I did not make it to complated

Please give me Brainliest

3 0
2 years ago
|x2+x-20<br> 22-11x+28<br> e:<br> x2-x-30<br> 3x-18
elena-s [515]

Answer:

x2 - 10x - 1994

Step-by-step explanation:

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  x2-10x-1994

The first term is,  x2  its coefficient is  1 .

The middle term is,  -10x  its coefficient is  -10 .

The last term, "the constant", is  -1994

Step-1 : Multiply the coefficient of the first term by the constant   1 • -1994 = -1994

Step-2 : Find two factors of  -1994  whose sum equals the coefficient of the middle term, which is   -10 .

     -1994    +    1    =    -1993

     -997    +    2    =    -995

     -2    +    997    =    995

     -1    +    1994    =    1993

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

 x2 - 10x - 1994

Processing ends successfully

plz mark me as brainliest :)

6 0
2 years ago
Need help
Colt1911 [192]

Answer:

r = \frac{A + 32}{\pi }

Step-by-step explanation:

A = πr-32

using algebraic manipulation to isolate r

A + 32 = πr-32 + 32

A + 32 = πr

(A+32)/π = πr/π

r = \frac{A + 32}{\pi }

8 0
2 years ago
4.) A store is having a sale in which all items are marked 30% off.
bezimeni [28]

Answer:

0.70p

Step-by-step explanation:

"30% off" means paying only 70% of the original sales price (subtracting 30% from 100% yields 70%).  Next, find the decimal equivalent of 70%:

It is 0.70.  Finally, multiply the price p by 0.70:  0.70p (Answer b)

8 0
2 years ago
Read 2 more answers
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