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slavikrds [6]
3 years ago
12

If Jackie were to paint her living room alone, it would take seven hours. Her sister Rachel could do the job in nine hours. How

many hours would it take them working together?
Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

9+8=16

Step-by-step explanation:

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204% as a fraction? who every now put it in comments
ExtremeBDS [4]

Answer:

204/100 = 51/25= 2 1/25 that is the answer

6 0
3 years ago
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Suppose you deposit $2,000 in savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn, det
GarryVolchara [31]
Using I = PRT

$2500 - $2000 = $2000 × 0.04 × t

$500 = 80t

t = $500 ÷ 80
t = 6.25 years

so the answer is 6
7 0
3 years ago
1/4 + 3 = ??<br> What’s the answer??
murzikaleks [220]

Answer:

3.25

Step-by-step explanation:

divide then add 3

5 0
3 years ago
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PLEASE HELP WILL MARK BRAINLIEST..Write a polynomial function of least degree with rational coefficients so that P(x) = 0 has th
Svetlanka [38]

A polynomial function of least degree with rational coefficients so that P(x) = 0 has the given roots is P(x)=x²-5x-14

<h3>What is a polynomial function?</h3>

A function is said to as polynomial when a variable in an equation, such as a quadratic equation or cubic equation, etc., has only positive integer exponents or non-negative integer powers. One polynomial with an exponent of 1 is 2x+5, for instance. One that has more than two algebraic terms is referred to as a polynomial expression. Polynomial is a monomial or binomial that is repeatedly added, as the name suggests.

A mathematical expression containing one or more algebraic terms, where each algebraic term is made up of a constant multiplied by one or more variables raised to a nonnegative integral power.

x= -2, x=7

Given,

P(x) = 0

This polynomial function has the roots,

x= -2, x=7

So,

(x+2)(x-7)

We have to multiply both of them we get,

P(x)=(x+2)(x-7)

0=x²-5x-14

x²-5x-14=0

Therefore, P(x)=x²-5x-14 is the polynomial function.

To know more about polynomial function, visit:

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6 0
1 year ago
in a concert hall, 250 seats out of 300 were occupied. to the nearest thousand, what part of the hall was not occupied?
daser333 [38]

Answer: 0.167 is the part of the hall that was not occupied. Or 16.7 %

Step-by-step explanation:

300-250=50 this is the number of seats not occupied since 250 is the amount occupied.

So, 50/300=5/30 which can be converted to a number which is 0.1666666667. It says to round to the thousandths place, which is the 3rd number. That is 0.167

5 0
4 years ago
Read 2 more answers
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