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kramer
3 years ago
10

how do you know when the solution of equations is a precise answer and when it is an approximate answer?

Mathematics
2 answers:
Nadya [2.5K]3 years ago
3 0

Answer:

an answer is precise when it is an exact number like 10, 2, or 123.

An answer is approximate when the decimal numbers are so close that could round it, and the rounded number would be equivalent to the original number. ex: 10.98 = 11

Liono4ka [1.6K]3 years ago
3 0
Well once you get a value for x and y and you plug it back to the equation both of the equation should be equal if the answer is wrong they will not be equal
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3/4 of a number is 24. What's the number?
Lady_Fox [76]
Hi

3x/4 = 24
3x = 24·(4)
3x = 96
x = 96/3
x = 32

3/4 of 32 is 24
4 0
3 years ago
Rationalize the denominator and simplify.<img src="https://tex.z-dn.net/?f=15%20%5Csqrt%7B6%7D%2F3%20%5Csqrt%7B5%3Cbr%3E%0A" id=
Bumek [7]
(15√6 / √5)

<span>(15√6/√5) *(</span>√5/√5)

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15*√30 / 5

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3 0
4 years ago
The temperature was -5 degrees Fahrenheit when Sally went to s school on Monday. The temperature rose 20 degrees Fahrenheit duri
brilliants [131]

Answer:

-40 degrees Fahrenheit.

5 0
3 years ago
Diego pays $4.50 for 3 pound of bananas and 2 pounds of oranges. One pound of oranges costs $0.75 more than one pound of bananas
lys-0071 [83]

Answer:

D. 3b + 2(b + 0.75) = 4.50; $0.60 per pound of bananas, $1.35 per pound of oranges

Step-by-step explanation:

Price per pounds of bananas = b

Price per pound of oranges = b + $0.75

Diego buys:

3 pounds of bananas = 3(b) = 3b

2 pounds of oranges = 2(b + 0.75)

Amount paid by Diego is expressed as:

3b + 2(b + 0.75) = 4.50

To find the price per pound of each fruit, use the equation above to find the value of b:

3b + 2b + 1.50 = 4.50

Combine like terms

5b + 1.50 = 4.50

5b + 1.50 - 1.50 = 4.50 - 1.50

5b = 3

5b/5 = 3/5

b = 0.6

Price per pound of banana = b = $0.6

Price per pound of oranges = b + $0.75

Plug in the value of b

= $0.6 + $0.75

= $1.35

4 0
4 years ago
if x = 2 and y = 1 what is the expression of 3(y-1)+2x2 ( it’s not actually 2x2 the 2 is small i don’t remember what it’s called
MAXImum [283]

Answer:

substituting the given values we get,

3(1-1)+2*2

using bodmas we get

3(0)+2*2

0+2*2

0+4

4

therefore the answer is 4,thank you and mark the answer as brainliest if u find my answer helpful

4 0
3 years ago
Read 2 more answers
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