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Angelina_Jolie [31]

2 years ago

6

5 dollars less on less on dinner than James write an expression

2 answers:

Aleonysh [2.5K]2 years ago

5 0

Answer:

Let x be the the amount james spent for dinner then x - 5 wpuld be the answer to your first problem

Alex2 years ago

4 0

Hey there!

" $\bold{5}$ dollars less on dinner than James"

the phrase " $\bf{less}$ $\bold{than}$ " means $\bold{subtract}$ or
$\bold{5Dollars}$ is $ $\bold{5}$ (or you could just put $\bold{5}$

Now, that we have the meaning of the stuff in our equation,

$\boxed{Answer: x- 5}$

Good luck on your assignment and enjoy your day!

~ $\bf{LoveYourselfFirst:)}$

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Find the solution of the system of equations.<br> 10x+10y=40 <br> 5x+3y=8

ddd [48]

Answer:

x = -2 & y = 6

Step-by-step explanation:

$10x+10y=40$

$10x+10y+ -10y=40+-10y$

$10x=-10y+40$

$\frac{10x}{10} =\frac{-10y+40}{10}$

$x=-y+4$

$5x+3y=8$

$5(-y+4)+3y=8$

$-2y+20=8$

$-2y+20+-20=8+-20$

$-2y=-12$

$\div2$

$y=6$

$x=-y+4$

$x=-6+4$

$x=-2$

Hope this helps.

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What happens to light when it strikes a smooth shiny surface?

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Step-by-step explanation:

Light reflects from a smooth surface at the same angle as it hits the surface. For a smooth surface, reflected light rays travel in the same direction. This is called specular reflection. For a rough surface, reflected light rays scatter in all directions.

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Juli2301 [7.4K]

300 minutes converted into hours would be 5 hours

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On a 40‐point test, Steve received an 80%. How many points did he receive on the test?

jarptica [38.1K]

Answer:

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Step-by-step explanation:

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7 0

2 years ago

Question 1 of 10

Archy [21]

Answer:

A. y = 7(x + 1)²-3

Step-by-step explanation:

Parabola:

$y = 7x^{2} + 14x + 4$

$y = 7(x^{2} + 2x) + 4$

Putting into vertex form, remember that:

$(x + a)^{2} = x^{2} + 2ax + a^{2}$

In this question:

$x^{2} + 2x$ , to put into this format:

$x^{2} + 2x + 1 = (x + 1)^{2}$

We add one inside the parenthesis to do this. The parenthesis is multiplied by 7, so for the equivalent, we also have to subtract 7. Then

Vertex form:

$y = 7(x^{2} + 2x + 1) + 4 - 7$

$y = 7(x + 1)^{2} - 3$

So the correct answer is:

A. y = 7(x + 1)²-3

3 0

3 years ago