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3 years ago

308.3 divided by 15 but estimate the divisor and divided

Mathematics

1 answer:

aev [14]3 years ago

3 0

Answer:

308.13/15=20.553 or 21

Step-by-step explanation:

hope this helps

plz mark brailiest

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Steven wants to buy a couch that costs $475. He has already saved $120. He plans to save $25 a week.

xenn [34]

Answer:

f(x)=25x+120. f(10)=370

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3 years ago

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QF Q6.) Find the function for b.

Dimas [21]

The function notation f(x)=2x-4 means replace the x on the right-hand side with the value in parentheses on the left.
For example, f(y)=2y-4; f(4)=2(4)-4=4; f(1)=2(1)-4=-2 and so on.
The same principle applies to g(x), for example
g(2)=4(2^2)-3=13,
g(x+1)=4(x+1)^2-3=4(x^2+2x+1)-3=4x^2+8x+4-3=4x^2+8x+1
and so on.

(g of f)(x) is another way to write g(f(x)), therefore
g(f(x))
=g(2x-4) [because f(x)=2x-4
=4(2x-4)^2-3
=4(4x^2-16x+16)-3
=16x^2-64x+64-3
=16x^2-64x+61

7 0

3 years ago

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Let f(x) = -4x + 7

Tema [17]

g(x) = 2x-6

f(x) = -4x +7

(g•f)(x) = g(f(x))

= 2(f(x)) - 6

= 2 ( -4x+7) -6

= -8x + 14 -6

= -8x +8

now

(g•f)(1) = -8(1) + 8= -8+8

= 0

so option a is answer

4 0

3 years ago

A circle is represented by the equation below: (x + 8)2 + (y − 3)2 = 100 Which statement is true?

ss7ja [257]

Answer:

The circle is centered at (-8,3) and has a diameter of 20 units

Step-by-step explanation:

we know that

The equation of a circle in center radius form is equal to

$(x-h)^2+(y-k)^2=r^2$

where

(h,k) is the center of the circle

r is the radius of the circle

In this problem we have

$(x+8)^2+(y-3)^2=100$

The center is the point (-8,3)

The radius is $r=\sqrt{100}=10\ units$

The diameter is two times the radius

$D=2(10)=20\ units$

therefore

The circle is centered at (-8,3) and has a diameter of 20 units

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3 years ago

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algol13

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