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Lelu [443]
4 years ago
15

(1) The roots of 3x - 5 = 7 is x = 4​

Mathematics
1 answer:
aivan3 [116]4 years ago
6 0

Answer:

it's right

Step-by-step explanation:

3x - 5 = 7

3x = 7 + 5

3x = 12

x = 12/3

x = 4

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Frank reasoned that in the number 0.555, the value of the 5 in the thousands place is ten times as great as the 5 in the hundred
Gnom [1K]

The given number is 0.555 which can be written as

0+ \frac{1}{10}*5 + \frac{1}{100}* 5+ \frac{1}{1000} * 5

As we see that after decimal, every next digit is 1/10 times of the current digit .

Therefore the statement , " the value of the 5 in the thousands place is ten times as great as the 5 in the hundredth place " is not correct .


3 0
4 years ago
Read 2 more answers
Which equation has the solutions x = 2.5 and x = -3 ?
forsale [732]

Answer:

Well, you didn't show the equation .  However we can generate an equation

by multiplying (x - 2.5) * (x +3)

x^2 -2.5x +3x -7.5 = 0

x^2 +.5x -7.5 = 0

DOUBLE-CHECK

Solving with the quadratic formula:

x = 2.5 and x = -3

CORRECT!!!

Step-by-step explanation:

8 0
3 years ago
I really need help with this question it’s the only one i’ve failed , someone mind lending a hand ??
Svetach [21]
All are congruent segments. Beacuse congruent segments are two segments that are equal in length.
7 0
3 years ago
B(t)=50(1.4)^t
olasank [31]
B (t) = 50 (1.4) ^ t
 What is the y-intercept of the function? 
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 In this case we have:
 For t = 0:
 B (0) = 50 (1.4) ^ 0
 B (0) = 50 * (1)
 B (0) = 50
 Answer: 
 the y-intercept of the function is:
 B (0) = 50
 What does this mean in the context of the problem?
 You must place the complete statement to answer exactly.
 However, in any problem of exponential type, it means the initial quantity of something.
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Write 0.000 97 in standard form
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Answer:

9.7 \times 10 {}^{ - 4}

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3 years ago
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