4 years ago

Jane buys a lawnmower at 75% off of the original price. She pays $22.What was the original price

Mathematics

1 answer:

11111nata11111 [884]4 years ago

3 0

The original price was $38.50

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Svetach [21]

(4/25)^1/2 =

√(4/25) =

2/5

8 0

3 years ago

Expand and simplify (<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D" id="TexFormula1" title="2x^{2}" alt="2x^{2}" align="absmidd

kupik [55]

Answer:

2x(5x + 14) + 15

Step-by-step explanation:

Given: (2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2)

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 2 $x^{2}$ (4x + 5) + 3(4x + 5) - 8x( $x^{2}$ - 2)

= (8 $x^{3}$ + 10 $x^{2}$ + 12x + 15) - 8 $x^{3}$ + 16x

= 8 $x^{3}$ + 10 $x^{2}$ + 12x + 15 - 8 $x^{3}$ + 16x

collecting like terms to have,

8 $x^{3}$ - 8 $x^{3}$ + 10 $x^{2}$ + 12x + 16x + 15

10 $x^{2}$ + 28x + 15

Thus,

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 10 $x^{2}$ + 28x + 15

= 2x(5x + 14) + 15

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3 years ago

5. Segment RT has the endpoints (–3, 4) and (5, –2). What is its midpoint?

Evgesh-ka [11]

Midpoint formula $\left( \dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Let S denote the midpoint of R and T
$S=\left( \dfrac{-3+5}{2},\dfrac{4-2}{2}\right)\\
S=\left( \dfrac{2}{2},\dfrac{2}{2}\right)\\
S=\left( 1,1\right)
$

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4 years ago

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PLEASE HELP ME AND SHOW ALL WORK THANK YOU!!!!!!

Natalija [7]

M>5=m>4
m>5 and m>7 are on line then m>5+m>7=180
by substituting
m>4+37=180
m>4=143
m>2=m>7=37
m>4=m>8
m<3+m>5=180

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3 years ago

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Ostrovityanka [42]

7 divided by 3/5
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3 years ago

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