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Mkey [24]
4 years ago
12

Tommy's mom gave him $50 for cutting their grass. He used the money to buy a game for $15.75 and two snacks that cost $1.50 each

. Tommy also bought a necklace for his mom. If Tommy went home with 14 of the money his mom gave him, how much did the necklace cost? Search Results Web results
Mathematics
1 answer:
Alborosie4 years ago
8 0

Answer:

a = $17.25

Step-by-step explanation:

let the money spend on the necklace be a

we have

15.75 +1.5*2 +a + 14 = 50

-> a = 50 -15.75 -3-14

-> a = $17.25

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A circle is cut from a square piece of cloth, as shown:
ra1l [238]
A = 3.14 d= 52
R=52/2 = 26”
A of circle= 3.14 r^2
A=3.14*26^2
A=676(3.14)
A=2,122.64”
So the answer is b
4 0
4 years ago
The volume of a rectangular prism is 6x3 + 25x2 + 21x − 10. The length of the prism is 2x + 5. The width of the prism is 3x − 1.
aev [14]

Expression for the height of the prism is x + 2

<em><u>Solution:</u></em>

Given that,

Volume\ of\ a\ rectangular\ prism = 6x^3+25x^2 + 21x - 10

Length\ of\ prism = 2x + 5

Width\ of\ prism = 3x-1

To find: height of prism

<em><u>The volume of rectangular prism is given by formula:</u></em>

Volume = length \times width \times height

<em><u>Solving for height we get,</u></em>

height = \frac{volume}{length \times width}

<em><u>Substituting the values we get,</u></em>

height = \frac{6x^3+25x^2+21x-10}{(2x+5)(3x-1)}

<em><u>Factor the numerator</u></em>

height = \frac{(x+2)(3x-1)(2x+5)}{(2x+5)(3x-1)}

Cancel the common factors,

height = x + 2

Thus expression for the height of the prism is x + 2

5 0
3 years ago
Which is a factor of x2 – 9x + 14?<br> x – 9<br> x – 2<br> x + 5<br> x + 7
Nadya [2.5K]

Answer:

The binomial: (x-2) (second option of the list) is a factor of the given trinomial

Step-by-step explanation:

You are looking for two binomial factors of the form; (x+a) and (x+b), with values "a" and "b" such that:

Their product "a times b" results in: "+14" (the numerical term in the initial trinomial x^2-9x+14,

and their combining "a+b" results in "-9" (the coefficient in the middle term of the trinomial)

Such number "a" and "b" are: "-2" and "-7".

We can see by multiplying the binomials formed with these numbers:

(x-2) and (x-7) that their product indeed renders the original trinomial:

(x-2) (x-7)= x^2-7x-2x+14=x^2-9x+14

therefore, the binomials (x-2) and (x-7) are factors of the given trinomial.

The only one shown among the four possible options is then: (x-2)

7 0
3 years ago
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elixir [45]

Answer:

Step-by-step explanation:

4 0
3 years ago
Which expression shows the result of applying the distributive property to −2(1/3x−1/5)?
exis [7]

Answer:

Its C

Step-by-step explanation:

:D

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