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3 years ago

the total cost of a jacket and a pair of shoes was 99.15. if the price of the jacket was 5.81 less than the pair of shoes, what

was the price of the jacket

Mathematics

1 answer:

Ivahew [28]3 years ago

8 0

$99.15 - 5.81 = 93.34$

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Can someone help me out with this question plz

Genrish500 [490]

Answer:

$\left(s\cdot t\right)\left(x\right)=2x^2+12x+16$

$\left(s-t\right)\left(x\right)=-x$

$\left(s+t\right)\left(4\right)=20$

Step-by-step explanation:

Given functions are:

$s\left(x\right)=x+4$

$t\left(x\right)=2x+4$

Then $\left(s\cdot t\right)\left(x\right)=s\left(x\right)\cdot t\left(x\right)$

or $\left(s\cdot t\right)\left(x\right)=\left(x+4\right)\left(2x+4\right)$

or $\left(s\cdot t\right)\left(x\right)=2x^2+4x+8x+16$

or $\left(s\cdot t\right)\left(x\right)=2x^2+12x+16$

---------

Similarly

$\left(s-t\right)\left(x\right)=s\left(x\right)-t\left(x\right)$

or $\left(s-t\right)\left(x\right)=\left(x+4\right)-\left(2x+4\right)=x+4-2x-4$

or $\left(s-t\right)\left(x\right)=-x$

---------

Similarly

$\left(s+t\right)\left(4\right)=s\left(4\right)+t\left(4\right)=\left(4+4\right)+\left(2\left(4\right)+4\right)=\left(8\right)+\left(12\right)=20$

$\left(s+t\right)\left(4\right)=20$

6 0

3 years ago

suppose a parabola has an axis of symmetry at x=-2, a maximum height of 8, passes through the point (-6, 2). Wrire the equation

Virty [35]

Answer:

y = -3/8(x + 2)^2 + 8

Step-by-step explanation:

vertex form is

y = a(x - b)^2 + c where a is a constant and (b,c) is the vertex.

The maximum is at (-2, 8) because x 8 = height and x =-2 is equn. of symmetry

So here we have

y = a(x - (-2))^2 + 8

y = a(x + 2)^2 + 8

Now at the point (-6, 2):

2 = a(-6+2)^2 + 8

2 = 16a + 8

16a = -6

1 = -3/8.

So our equation is y = 3/8(x + 2)^2 + 8

3 0

3 years ago

|x-5|=7 What is x? PLZ help I'll give Brainliest.

mixer [17]

Answer:

x=12

Step-by-step explanation:

7+5=12

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3 years ago

Which equation is the inverse of 5y+4 = (x+3)^2 + 1/2

Anna35 [415]

C. -5y -4 = -(x+3)^2 -1/2

Hope I am right.

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3 years ago

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Find the product of 20x9x5. tell which property you used

alexdok [17]

Your product is 900 and you used associative property

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3 years ago