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Licemer1 [7]
2 years ago
8

Please answer this question with a complete answer

Mathematics
1 answer:
Lena [83]2 years ago
8 0

Answer:

true, false, true

Step-by-step explanation:

first one:

|-3.17|=3.17

-3.17 cannot be negative away, so it must be positive.

second one:

|7.29|=7.29

not equal to -7.29

third one:

no matter if it's negative or positive, you always use absolute value (||) to measure distances between number lines

brainliest plz

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Evaluate the expression if p= 5.5: p+2(3)
Nina [5.8K]

the answer is 11.5

because if p=5.5

then 5.5+2(3)=11.5

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3 years ago
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24/5 in simplest form
nalin [4]

The answer is
4 4/5

the way I did this was by 24  divided by 5= 4.8 as a fraction this is 4 8/10 simply reduce this by dividing the 8/10 by 2 and you will get that 4 4/5

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3 years ago
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A car radiator needs a 80% antifreeze solution. The radiator now holds 15 liters of a 70% solutions. How many liters of this sho
slavikrds [6]
So... the radiator has 15 liters of 70% antifreeze.. but needs an 80% antifreeze

well, so, you need to drain some and put some with higher percentage, seems to be, you will end up at the same 15 liters, possible the radiator's capacity, of 80% antifreeze

so, the same amount going out, of 70% is the same amount going in, of 100% antifreeze

now.. let's use the decimal format for the percents, or 70% is 70/100 or 0.7 and so on
\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentration\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{70\% sol'n, out}&x&0.7&0.7x\\
\textit{100\% sol'n, in}&x&1.00&x\\
\textit{current 70\% sol'n}&15&0.7&10.5\\
-----&-----&-------&-------\\
mixture&15&0.8&12
\end{array}

so.. let's subtract, from the current solution, 0.7x and add 1x or x, our antifreeze concentration amount, should be 12 though

10.5 - 0.7x + x = 12

solve for "x"

3 0
3 years ago
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Please help me and show your work
morpeh [17]

Answer:

Step-by-step explanation:

y = 3x + 4

Plugin x = 3 in the equation,

y = 3*3 + 4

 = 9 + 4

y = 13

Plugin x = 4 in equation,

y = 3*4 + 4

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y = 16

Plugin x = 5 in the equation,

y = 3*5 + 4

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y = 19

2) y =x - 7

Plugin x = 10 in the equation

y = 10 - 7

y = 3

Plugin x = 15 in the equation

y = 15 - 7

y = 8

Plugin x = 20 in the equation

y = 20 - 7

y = 13

6 0
2 years ago
In discus competition an athlete threw the discus 63.37meters 62.95 meters and 63.7meters order the distance from least to great
Eduardwww [97]
62.95meters, 63.37meters, 63.7meters.
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