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3 years ago

14

Plz help me with these questions 20 points

1 answer:

postnew [5]3 years ago

4 0

A.Is 59.5 C. is 35.38 E. is 134.12 B. is 69.28 D. is 0.34 F. is 37.43100

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Find the roots of the parabola given by the following equation <br> 2x^2+5X-9=2x

natta225 [31]

Answer:

$x=-3\:or\:x=\frac{3}{2}$

Step-by-step explanation:

The given parabola has equation

$2x^2+5x-9=2x$

We rewrite in standard form to obtain:

$2x^2+5x-2x-9=0$

$2x^2+3x-9=0$

Split the middle terms to get:

$2x^2+6x-3x-9=0$

Factor by grouping:

$2x(x+3)-3(x+3)=0$

$(x+3)(2x-3)=0$

$x=-3\:or\:x=\frac{3}{2}$

7 0

3 years ago

A sweatshirt costs $35. Find the total cost if the sales tax is 7.75%.

tensa zangetsu [6.8K]

Answer:

37.7125

Step-by-step explanation:

35 * 1.0775

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3 years ago

In a transformation each point in the object is mapped to another point in the image. The following are the four types of transf

harina [27]

The answer to your question is true

6 0

3 years ago

Factor the following expressions

goblinko [34]

Answer:

i hope <em>this </em><em>will</em><em> help</em><em> </em>you

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2 years ago

Joshira makes and sells crafts.

Maksim231197 [3]

Answer: 6

Step-by-step explanation:

i think joshira makes 6 item in 8 hours.

i got my answer by multiplying 3/4 with 8

7 0

3 years ago

Read 2 more answers