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ValentinkaMS [17]
4 years ago
9

HELP

Mathematics
1 answer:
grigory [225]4 years ago
8 0

Answer: = x+5

Step-by-step explanation:

Jimmy is 5 years older than sally and sally is know as x

= x+5

If Sally is 10

Jimmy will be 10+5= 15 years old

~~~inuola1234

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Answer:

12.56 square feet

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Find the product of (3x-4)(2x^2+2x-1)
lapo4ka [179]

Answer:

6x^3  - 2x^2  -11x +4

Step-by-step explanation:

(3x-4)(2x^2+2x-1)

Multiply 3x  by the second term

3x* (2x^2+2x-1)

 6x^3  +6x^2 -3x


Multiply -4  by the second term

-4*(2x^2+2x-1)

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Add these together,  lining up the terms

 6x^3  +6x^2 -3x  

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----------------------------------

6x^3  - 2x^2  -11x +4

8 0
3 years ago
Read 2 more answers
A camera has a listed price of $876.99 before tax. If the sales tax rate is 6.75%, find the total cost of the camera with sales
avanturin [10]

Answer:

$936.18

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5 0
3 years ago
Use the Law of Cosines to find the missing angle. In triangle JKL, j=3in., k=4in., and l=2.89., find mJ
slega [8]
Using the law of cosine for Triangle KJL, we can write:

j^{2} = k^{2} + l^{2}-2(k)(l)cos(J)  \\  \\ 
2(k)(l)cos(J)=k^{2} + l^{2}- j^{2} \\  \\ 
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Using the values of k,j and l, we can write:

cos(J)= \frac{ 4^{2} + (2.89)^{2} - 3^{2} }{2(4)(2.89)}  \\  \\ 
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Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer
8 0
3 years ago
Read 2 more answers
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kykrilka [37]

Answer:

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Step-by-step explanation:

I = prt  where i is the interest , p is the principal r is the rate and t is the time in years

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I = 1200 * .039* 2.5

I =117

6 0
3 years ago
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