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Vikentia [17]
2 years ago
5

I need help with this one, NOW!

Mathematics
1 answer:
creativ13 [48]2 years ago
7 0

Answer:

It is 25 degrees.

Step-by-step explanation:

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12
Serjik [45]

Answer:

6.70m/s

Step-by-step explanation:

Speed = distance/time

Given the winner covered a distance of 26m in time of 3.88 seconds

Therefore

Speed = 26/3.88

= 6.70m/s

7 0
3 years ago
Please, I beg you.
frozen [14]

We know that the true value for pi is given as 3.14156.

Now, we have been given that the approximate value for pi is 3.141

We know the formula

Absolute error,  \Delta x = | \text{True value } - \text{ Approximate value} | \\
\\
\Delta x =|3.14156-3.141|\\
\\
\Delta x =0.00056

Relative error is given by

\text{Relative error }= \frac{\Delta x}{\text{true value} }\\
\\
\text{Relative error }=\frac{0.00056}{3.14156} \\
\\
[tex]\text{Relative error }=0.000178

The percentage error is given by

\text{Relative error } \times 100\\  
\\  
0.000178\times 100  
\\  
=0.0178 \%

7 0
3 years ago
scientist needs 120 liters of a 20% acid solution for an experiment. The lab has available a 25% and a 10% solution. How many li
sattari [20]

Answer:

The scientist needs 80 liters of 25% solution and 40 liters of 10% solution.

Step-by-step explanation:

If x is the liters of 25% solution, and y is the liters of 10% solution, then:

x + y = 120

0.25x + 0.10y = 0.20(120)

Solve the system of equations using substitution or elimination.  Using substitution:

0.25x + 0.10(120 − x) = 0.20(120)

0.25x + 12 − 0.10x = 24

0.15x = 12

x = 80

y = 40

The scientist needs 80 liters of 25% solution and 40 liters of 10% solution.

4 0
2 years ago
Help me with this math plz, I don’t understand it
Tresset [83]

Answer:

the red one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Describe el tipo de transformación de la siguiente figura y sus coordenadas.
alexandr402 [8]

Answer:

triangle pythagora

Step-by-step explanation:

the pythagora is made by someone special names albert and you ahve to amke three sides a b and c

8 0
3 years ago
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