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elena-14-01-66 [18.8K]
2 years ago
6

PLEASE HELP WILL MARK BRAINLIEST!!!!

Mathematics
1 answer:
podryga [215]2 years ago
7 0
Last Choice is the answer
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What is -4x+5y if x is 3 and y is 5
klasskru [66]
The answer is 13 hope this helps
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3 years ago
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What is a length of 6 ft and a width of 4 ft in area in meters
suter [353]
6 multiplied by 4 is 24 feet.  Then convert it to meters by multiplying .3048 by 24 which means the answer is 7.3152 meters
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3 years ago
this graph shows the solution to which inequality ? a. y>1/3x-2 b. y<1/3x-2 c. y>1/3x-2 d. y<1/3x-2
Alecsey [184]

Answer:

c i think

Step-by-step explanation:

6 0
3 years ago
To two decimal places, find the value of k that will make the function f(x) continuous everywhere. f of x equals the quantity 3x
Fiesta28 [93]

Given function is

f(x)=\left\{\begin{matrix}3x+k & x\leq -4 \\ kx^2-5 & x> -4\end{matrix}\right.

now we need to find the value of k such that function f(x) continuous everywhere.

We know that any function f(x) is continuous at point x=a if left hand limit and right hand limits at the point x=a are equal.

So we just need to find both left and right hand limits then set equal to each other to find the value of k

To find the left hand limit (LHD) we plug x=-4 into 3x+k

so LHD= 3(-4)+k

To find the Right hand limit (RHD) we plug x=-4 into

kx^2-5

so RHD= k(-4)^2-5

Now set both equal

k(-4)^2-5=3(-4)+k

16k-5=-12+k

16k-k=-12+5

15k=-7

k=-\frac{7}{15}

k=-0.47

<u>Hence final answer is -0.47.</u>




7 0
3 years ago
The side of a square measures (3x − 6) units. Part A: What is the expression that represents the area of the square? Show your w
liubo4ka [24]

A. The area of a square is given as:

A = s^2

Where s is a measure of a side of a square. s = (2 x – 5) therefore,

A = (2 x – 5)^2                  

Expanding,

A = 4 x^2 – 20 x + 25

 

B. The degree of a polynomial is the highest exponent of the variable x, in this case 2. Therefore the expression obtained in part A is of 2nd degree.

Furthermore, polynomials are classified according to the number of terms in the expression. There are 3 terms in the expression therefore it is classified as a trinomial.

 

<span>C. The closure property demonstrates that during multiplication or division, the coefficients and power of the variables are affected while during multiplication or division, only the coefficients are affected while the power remain the same.</span>

4 0
3 years ago
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