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Paha777 [63]
3 years ago
7

Solve for x: 4 over 5 x + 4 over 3 = 2x x = __________________ Write your answer as a fraction in simplest form. Use the "/" sym

bol for the fraction bar.
Mathematics
2 answers:
Vesna [10]3 years ago
5 0
4/5x + 4/3 = 2x....there are 2 ways to do this...one with fractions, one without.

with :
4/5x + 4/3 = 2x
4/3 = 2x - 4/5x
4/3 = 10/5x - 4/5x
4/3 = 6/5x
4/3 * 5/6 = x
20/18 = x
10/9 = x

without :
4/5x + 4/3 = 2x....multiply by common denominator of 15
12x + 20 = 30x
20 = 30x - 12x
20 = 18x
20/18 = x
10/9 = x
Zinaida [17]3 years ago
3 0
<span>the answer is 12x4 + 24x2y + 7x2 + 8y</span>
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Which of the following is an irrational number?
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Answer:

B.-7.34

Step-by-step explanation:

Because it's a repeating number

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70 POINTS !! Charlotte has a map of the village. The scale on the map is such that 1cm represents 25m.
Natasha_Volkova [10]

Answer:

A. 175 m

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Step-by-step explanation:

\frac{1 cm}{25 m} =\frac{7 cm}{x m}

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2 years ago
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I geometry, you can use deductive rules to ?
omeli [17]

Answer:

In geometry, you can use deductive rules to prove that a given statement or conjecture is true or false using deductive reasoning.

Step-by-step explanation:

You can use deductive rules to prove that a given statement or conjecture is true or false using deductive reasoning.

7 0
3 years ago
Which is greater 5.75 or 5.750
Vitek1552 [10]
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4 years ago
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Police plan to enforce speed limits by using radar traps at four different​ locations, Upper L 1L1​, Upper L 2L2​, Upper L 3L3​,
horsena [70]

Answer:

This person have a 29 % probability to receive a speeding​ ticket

Step-by-step explanation:

The probability of receive a speeding​ ticket in one of the traps is equal to the probability of going through that trap during the operation time of the trap.

Like we have four traps, and the probabilities are independent,  then the probability of receive a speed ticket in one of them, is the sum of the probability for each trap.

P=P1+P2+P3+P4

The probability of going through a trap during the operation time is obtained by multiplying the probability of passing through the​ trap by the frequency of operation

Frequency of operation:

TL1 ⇒ 40 % = 0.4

TL2 ⇒ 30 % = 0.3

TL3 ⇒ 20 % = 0.2

TL4 ⇒ 30 % = 0.3

Probability of passing through these​ locations

PL1 ⇒ 0.3

PL2 ⇒ 0.2

PL3 ⇒ 0.4

PL4 ⇒ 0.1

then,

P1= TL1*PL1

P2= TL2*PL2

P3= TL3*PL3

P4= TL4*PL4

and

P = TL1*PL1 + TL2*PL2 + TL3*PL3 + TL4*PL4 = 0.12 + 0.06 + 0.08 + 0.03 = 0.29 = 29 %

This person have a 29 % probability to receive a speeding​ ticket

4 0
3 years ago
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