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Paladinen [302]
4 years ago
5

Aaron's dad gave him $50 for cutting their grass. Aaron used the money to buy a $9.75 hat and two hamburgers that cost $1.25 eac

h. Aaron also bought a birthday gift for his mom. If Aaron went home with 1/5 of the money his dad gave him, how much did the birthday gift cost? Show Work!
(A) $27.75
(B) $28.75
(C) $37.75
(D) $38.75
Mathematics
1 answer:
nirvana33 [79]4 years ago
4 0

Answer:

A

Step-by-step explanation:

50-9.75-1.25-1.25=37.75. 1/5 of 50 is 10, so I subtracted 27.75 from 37.75 and got 10.00. The 27.75 made the difference 10.00, so that´s how I got the answer.

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Tamiku [17]

3.8 × 10 - 4 =

( 3.8 × 10 ) - 4 =

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3 years ago
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Ronald and time both did there laundry today. Ronald does laundry every 6 days Tim does laundry every 9 days. How many days will
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Answer:

18 days

Step-by-step explanation:

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3 years ago
Which statements about the line that passes through (−2, 0) and (2, −4) are true? Select all that apply.
Gennadij [26K]

The statement about the line that passes through (-2, 0) and (2, -4) that are true are:

Option B:The line intersects the y-axis at (0, −2).

Option C: The equation of the line is y = −x − 2.

Option D: The line intersects the x-axis at (−2, 0).

<u>Solution:</u>

Given, two points are (-2, 0) and (2, -4)

We have to select the options that states true about line that passes through given two points.

Now, let us find the line equation that passes through given two points using point slope form.  

\mathrm{y}-\mathrm{y}_{1}=\mathrm{m}\left(\mathrm{x}-\mathrm{x}_{1}\right) \text { where } \mathrm{m} \text { is slope and }\left(\mathrm{x}_{1}, \mathrm{y}_{1}\right) \text { is a point on the line. }

Now slope "m" is given as:

\mathrm{m}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{0-(-4)}{-2-2}=\frac{4}{-4}=-1

Then, line equation = y – 0 = -1(x – (-2))

y = -1(x + 2)

y = -x – 2 --- equation 1

Now let us check options.

<u>Option a)</u> slope of line is 1  

We know that slope of our line is -1 so this option is wrong.

<u>Option b)</u> line intersects y – axis at (0, -2)

When line meets y – axis x becomes 0 ⇒ 0 + y + 2 = 0 ⇒ y = -2  so point is (0, -2).  

This option is right.

<u>Option c) </u>equation of line is y = -x – 2

The given equation is x + y + 2 = 0 ⇒ y = -x – 2 . so this option is correct.

<u>Option d) </u>line intersects at (-2, 0)

When line meets x – axis y becomes 0 ⇒ x + 0 + 2 = 0 ⇒ x = -2. So point is (-2, 0).

This option is right.

Hence, options b, c, d are correct.

8 0
4 years ago
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Answer:

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Step-by-step explanation:

The unmarked horizontal dimension at the bottom of the triangle is ...

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_____

The mnemonic SOH CAH TOA can remind you of the relationships between right triangle dimensions and angles.

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  Cos = Adjacent/Hypotenuse   ⇒   Hypotenuse×Cos = Adjacent

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Answer:

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Step-by-step explanation:

We are to simplify the expression (x+3)(x^2−5x+2). This is as shown;

(x+3)(x^2−5x+2)

Expand

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Collect the like terms

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= x^3-2x^2-13x+6

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