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kifflom [539]
3 years ago
15

I need help!! Please

Mathematics
1 answer:
Andre45 [30]3 years ago
8 0
I don’t know sorry mannnn
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Given PQR ~ STR, find QT
Dafna11 [192]
30/36=38/(36+X)
X=9.6
5 0
3 years ago
HELP DUE TODAY!!<br>Approximate and exact values​
sweet [91]

Answer:

1. is 1.73

3. is 3.14 (22/7)

4. is 3.14/2

5. is 1.41

6. is 2.71828

7. is 3.14 /4

5 0
3 years ago
Explain the relationship between the polynomial identities: x^2 − 1 = (x +1)(x − 1) and x^2 − a^2 =(x − a)(x +a).
Bess [88]

Answer:

So these two equation can be related by identity x^2-a^2=(x+a)(x-a)

Step-by-step explanation:

We have given equation x^2-1=(x+1)(x-1)

And x^2-a^2=(x+a)(x-a)

We know the algebraic identity a^2-b^2=(a+b)(a-b)

From this identity

x^2-1 can be written as (x+1) (x-1)

And using same identity x^2-a^2 can be written as (x-a)(x-b)

So these two equation can be related by identity x^2-a^2=(x+a)(x-a)

5 0
3 years ago
Two functions are defined as shown. f(x) =-1/2 x – 2 g(x) = –1 Which graph shows the input value for which f(x) = g(x)?
Natalka [10]

Answer:

See attachment.

Step-by-step explanation:

The given functions are:

f(x) =  -  \frac{1}{2}x - 2

and g(x)=-1

To find the x-value of the point of intersection of the two functions, we equate the two functions and solve for x.

-  \frac{1}{2}x - 2 = -1

x + 4 = 2

x = 2 - 4 =  - 2

The graph that shows the input value for which f(x)=g(x) is the graph which shows the point of intersection of f(x) and g(x) to be at x=-2.

4 0
3 years ago
Read 2 more answers
The profit function, y, for selling x shirts is given by the equation y=-0.1x^2+10x. What is the maximum value of the profit, y?
Alex73 [517]
2 ways
1 calcluls
2. algebra

calculus, just take the deritivive and find wher it is 0
y=-0.2x+10
at x=50
sub 50 for x in original
y=250


algebra
for
y=a(x-h)²+k
(h,k) is vertex
k is maximum value


complete the square
y=(-0.1x²+10x)
y=-0.1(x²-100x)
take 1/2 of -100 and square it and add negative and positive inside
-100/2=-50, (-50)²=2500
y=-0.1(x²-100x+2500-2500)
factor perfect square
y=-0.1((x-50)²-2500)
exand
y=-0.1(x-50)²+250

vertex at (50,250)
producing 50 units yeilds a sale price of $250


max price is $250
8 0
3 years ago
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