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lidiya [134]
3 years ago
14

can someone show me the steps and process to this problem im about to show you.......if x=3 and y=8 what is y2-3x

Mathematics
1 answer:
AlekseyPX3 years ago
4 0
Because y is 8 and x is 3 you just have to add it in the equation which means to times it,(8)2-3(3)
8x2=16
3x3=9
16-9=7
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PLEASE HELP (:
Kaylis [27]

Answer:

{12,15}

Step-by-step explanation:

Given the function f(x) = x+5, if the range of the function is {7,9}, the domain of the function is derived by simply finding the value of the function at each end point.

At endpoint x = 7,

f(7) = 7+5

f(7) = 12

At endpoint x = 9

f(9) = 9+5

f(9) = 14.

The function domain is therefore at {12,14}

4 0
3 years ago
What is the degree of 15x^3+63x+27x^4+35?<br> A) 0<br> B) 1<br> C) 3<br> D) 4
levacccp [35]

Answer:

D.) 4

Step-by-step explanation:

Your highest exponent is your degree.

Its easier if you put the polynomial in order:

27x^4+15x^3+63x+35

5 0
2 years ago
Read 2 more answers
Can someone solve these for me please
Grace [21]

Answer:

2. 16

3. 46

4. 59

Step-by-step explanation:

5.The measure of smaller angle is 87 degrees.

Step-by-step explanation:

Consider the provided information.

The provided angles are 3x degree and 2x + 25 degree.

Two angles are said to be Supplementary angles if their sum is 180 degree.

It is given that the provided angle are supplementary angles, thus

3x + 2x + 25 = 180

5x + 25 = 180

5x  = 180 - 25

5x  = 155

x = 31

Now, substitute the value of x in first angle i.e 3x.

3(31) = 93

Substitute the value of x in the second angle i.e 2x + 25

2(31) + 25 = 62 + 25 = 87

Hence, the measure of smaller angle is 87 degrees.

8 0
2 years ago
Round off 7613.86 to 3s.f​
solong [7]

Answer:

7613.86 = 7610.00

round off to 3s.f

means change to when you have 3 useful numbers

7613.83 has 4numbers.2decimal

same must be the round off value

4 0
3 years ago
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PQR has vertices at P(-10, 8), Q(0, -6),
nirvana33 [79]

Answer:

please apply the formula of distance

l think but not sure

8 0
2 years ago
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