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Nady [450]
2 years ago
11

Martin has a combination of 33 quarters and dimes worth a total of $6. Which system of linear equations can be used to find the

number of quarters, q, and the number of dimes, d, Martin has?
q + d = 6 25q + 10d = 33
q + d = 6 0.25q + 0.1d = 33
q + d = 33 25q + 10d = 6
q + d = 33 0.25q + 0.1d = 6
Mathematics
2 answers:
Arte-miy333 [17]2 years ago
5 0
C because I know that’s the answer
mr_godi [17]2 years ago
3 0

Answer:

q + d = 33  0.25q + 0.1d = 6 Option D

Step-by-step explanation:

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According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 15x11 – 6x8 + x3 – 4x + 3?
scoundrel [369]

we have

f(x) = 15x^{11} -6x^{8} + x^{3} - 4x + 3

we know that

<u>The Rational Root Theorem</u> states that when a root 'x' is written as a fraction in lowest terms

x=\frac{p}{q}

p is an integer factor of the constant term, and q is an integer factor of the coefficient of the first monomial.

So

in this problem

the constant term is equal to 3

and the first monomial is equal to 15x^{11} -----> coefficient is 15

So

possible values of p are 1, and\ 3

possible values of q are 1, 3, 5, and\ 15

therefore

<u>the answer is</u>

The all potential rational roots of f(x) are

(+/-)\frac{1}{15},(+/-)\frac{1}{5},(+/-)\frac{1}{3},(+/-)\frac{3}{5},(+/-)1,(+/-)3


3 0
2 years ago
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Describe 83 in two other ways
S_A_V [24]

Answer:

83 is a prime number. 83 is also an uneven number.

Step-by-step explanation:

4 0
2 years ago
Mr. Gupta gave his students a quiz with three questions on it. Let X represent the number of questions
irakobra [83]

Answer:

24.5 points

8 points

Step-by-step explanation:

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2 years ago
You and your neighbor attempt to use your cordless phones at the same time. Your phones independently select one of ten channels
ExtremeBDS [4]

Answer:

1/100.

Step-by-step explanation:

So, we can make the following deductions from the information given in the question or problem above.

[1]. "You and your neighbor attempt to use your cordless phones at the same time."

DEDUCTION: Two people are involved, that is you and your neighbor are both involved.

[2]. "Your phones independently select one of ten channels at random to connect to the base unit. "

DEDUCTION: Both cordless phones can choose one channels each which is random. The number of channels available is ten.

Therefore, the probability that both your phone and your neighbor phone pick the same channel can be calculated or determined as follows:

The probability that both your phone and your neighbor phone pick the same channel = probability that both your phone will pick one channel out of the ten channels ×  the probability that your neighbor phone pick one channel out of the ten channels.

The probability that both your phone and your neighbor phone pick the same channel = 1/10 × 1/10 = 1/100.

Therefore, The probability that both your phone and your neighbor phone pick the same channel = 1/100.

8 0
2 years ago
A vertical pole, 40 feet tall, casts a shadow onto the ground. If the angle of elevation from the tip of the shadow on the groun
aksik [14]

Answer:

Lenght of a shadow is 96.6

Step-by-step explanation:

you may use right angle triangle to find distance if you know angle of elevation.

                 

         (a)   adjacent                     (b)  hypotenuse

                             (c)   Opposite

we know that:

adjacent (a)=40

opposite (b)=?

         tan ∅= opposite/adjacent

                 tan 67°=opposite/40

                2.4142  * 40 = adjacent

                adjacent =96.6

3 0
2 years ago
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