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2 years ago

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Mathematics

1 answer:

Dovator [93]2 years ago

3 0

The pictures are blurry I can’t see anything

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Paulie is buying a shirt that was originally priced at $15. The store has a today-only discount of 25%. What is today’s price fo

Aliun [14]

Answer:

$11.25

Step-by-step explanation:

15 divided by .25 is 3.75, so subtract 3.75 from 15 and its 11.25

3 0

2 years ago

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Simplify the following algebraic expression 3/4 (1/2x - 12) + 4/5

abruzzese [7]

Answer:

D. $\frac{3}{8}x - 8 \frac{1}{5}$

Step-by-step explanation:

6 0

3 years ago

PLEASE HELP!!! WILL GIVE BRAINLIEST!!!

777dan777 [17]

Answer: (2,2) and (-5,16)

Step-by-step explanation:

Here we have both Line (Linear Function) and Parabola (Quadratic Function)

So I am gonna write these equations here,

$y=x^2+x-4\\y=-2x+6$

The first equation has Parabola graph (Since it's second degree.)

and the second equation has line graph.

To find the intersection, you have to substitute either -2x+6 in first equation (Quadratic) or x^2+x-4 in second equation (Linear)

For me, I am going to substitute x^2+x-4 in y=-2x+6.

$x^2+x-4=-2x+6$

Now solve the equation and find the value of x.

Since it's Quadratic Equation (Because there's x^2) I'd move -2x+6 to the left side.

$x^2+x-4+2x-6=0$ Finish things here (Subtract and Addition)

$x^2+3x-10=0$ What two numbers multiply to 10? Find the factors of 10, that are [1 and 10] and [2 and 5]

Now think about it, do you think that if 1 and 10 subtract or even addition, do you think that it'd be 3? No, of course not.

So 2 and 5 is right.

$(x-2)(x+5)=0$ (5-2 = 3) and (5*(-2) = -10)

Then we get both x, $x=2,-5$

However, this is not it. You have to substitute both x in Linear Equation.

Substitute x = 2 in y=-2x+6

$y=-2(2)+6\\y=-4+6\\y=2$

Order = $(2,2)$

Then substitute x = -5 in y=-2x+6

$y=-2(-5)+6\\y=10+6\\y=16$

Order = $(-5,16)$

So the intersections are both (2,2) and (-5,16) as shown in graph below.

4 0

3 years ago

I need someone to check these answers ASAP.

Reptile [31]

Alright, 1, 2, and 4 are correct but 3 is not.

The error you made could be hard to notice but it was made. So let's put the equation up, 6x-(2x-9)=-31. Your error occurred when you didn;t distribute the negative sign for (2x-9), if you woud have distributed it then the equation would then be simplified into 6x-2x+9=31. You then add like terms and get 4x+9=31, subtract 9 on both sides and you'll get 4x=22. Divide 4 on both sides to isolate the variable and you get x=5.5

7 0

3 years ago

at the animal shelter there are 15 dogs 12 cats three snakes and 5 parakeets which animal makes up approximately 14% of the anim

icang [17]

Answer:

parakeets

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers