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schepotkina [342]
3 years ago
7

What is the coefficient of the term x°ys in the

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0

Answer:

if it is (2x-y)8

then it is 16x - 8y

x^0y = 1.y = y

so the co efficient of y is -8

Step-by-step explanation:

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At a currency exchange, 11 U.S. dollars can be exchanged for 10 Euros. How many U.S. dollars will you receive for 1 Euro?
Slav-nsk [51]

Answer:

$1.22096

Step-by-step exanation:

3 0
3 years ago
The axis of symmetry for the graph of the function is f(x) = x2 + bx + 10 is x = 6. What is the value of b?
joja [24]

Answer:

b=-12

Step-by-step explanation:

we have

f(x)=x^{2}+bx+10

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2} +k

where

(h,k) is the vertex of the parabola

and the axis of symmetry is equal to x=h

In this problem we have the axis of symmetry x=6

so

the x-coordinate of the vertex is equal to 6  

therefore

For x=6+1=7 -----> one unit to the right of the vertex

Find the value of f(7)

f(7)=7^{2}+b(7)+10

f(7)=59+7b

For x=6-1=5 -----> one unit to the left of the vertex

Find the value of f(5)

f(5)=5^{2}+b(5)+10

f(5)=35+5b

Remember that

f(5)=f(7) ------> the x-coordinates are at the same distance from the axis of symmetry

so

59+7b=35+5b ------> solve for b

7b-5b=35-59

2b=-24

b=-12


3 0
3 years ago
Read 2 more answers
Write the equation of the parabola in vertex form.<br><br> Vertex (2,3), point (1,-4)
Naddika [18.5K]

Answer:what grade math is this

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write the polynomial in terms of its linear factors.<br> P(x) = 2x^4 - 4x^3 - 16x^2
mojhsa [17]

Answer:

P = 2x^3 - 4x^2 - 16x

Step-by-step explanation:

Only 1 step: divide both sides by x

6 0
3 years ago
(12,10),(-2,r), m=-4​
Savatey [412]

Answer:66

Step-by-step explanation:

Y=mx+b

10=-4*12+b

10=-48+b

b=58

r=-4(-2)+58

r=66

4 0
3 years ago
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