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amid [387]
3 years ago
15

WILL GIVE BRAINLIEST ANSWER! Calculate the percent error.

Mathematics
1 answer:
kupik [55]3 years ago
4 0

From the given tabular data,

Volume of water (V) = 50.0 ml

Mass of water (m) = 49.7 g

So, the density of water (ρ) = Mass / Volume

or,                                          = 49.7 g /50.0 ml = 0.994 g / ml

<u>Actual value of the density of water (ρ') = 0.998 g /ml</u>

So, the percentage error in the density of water

        = [( actual value - observed value) / actual value ] ×100

or,    = [ (0.998 g /ml - 0.994 g / ml ) / 0.998 g /ml ] ×100

or,    = 0.4 %

Hence, the required % error in the density of water will 0.4 %.

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Noah says that 9x − 2x + 4x is equivalent to 3x because the subtraction sign tells us to subtract everything that comes after 9x
Genrish500 [490]

Answer:

Noah's claim is correct

Step-by-step explanation:

B O D M A S - Brackets, Over, Division, Multiplication, Addition and Subtraction, this means that you must do the addition first.  

2x+ 4x = 6x

9x - 6x = 3x

Noah is correct as the - sign tells us that you have to subtract everything after the 9x

Hope this is ok and helps a little bit

5 0
3 years ago
Bob played a trivia game in which he lost 3 points for each incorrect answer and gained 8 points for each correct answer. If Bob
hammer [34]

Answer:

76

Because 11*8=88 and 4*3=12

88-12=76

3 0
3 years ago
I need extreme help with this.<br><br>​
irga5000 [103]

The first way i.e. the 4(x)

Step-by-step explanation:

Its because there's no gap in between and the letter is surrounded by brackets on both sides so it cant be divided and it's the only letter . There's no rule in mathematics that allows you to multiply a single number surrounded by brackets at both sides.

8 0
3 years ago
Read 2 more answers
The rugby club had 30 members last year. This year the rugby club has 36 members. By what percentage did the numbers of members
Shkiper50 [21]
30/6=5
1/5 of 100=20%
it increased by 20%
3 0
4 years ago
1. What is the volume of the prism that can be constructed from this net?
Irina-Kira [14]
1. V = lwh
    V = (8)(4)(5)
    V = (32)(5)
    V = 160 units³

2. V = lwh + lwh
    V = (4)(2)(1) + (3)(1)(1)
    V = (8)(1) + (3)(1)
    V = 8 + 3
    V = 11 units³

3. V = leh + s³
    V = (9)(3)(4) + (3)³
    V = (27)(4) + 27
    V = 108 + 27
    V = 135 units³

4. V = lwh
    V = (3)(7)(2)
    V = (21)(2)
    V = 42 units³
3 0
3 years ago
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