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Stella [2.4K]
3 years ago
13

X-4y=2 x-2y=-1 what is x and y

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

Answer:

Can you give me à hint please

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Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s
laiz [17]

Answer:

A

Step-by-step explanation:

|((experimental - theoretical) / theoretical)| x 100

5.5 - 5.62 / 5.62 = -.0213

|-.0213| = .0213

.0213 x 100 = 2.13


8 0
3 years ago
Find the length of the hypotenuse.
Yuliya22 [10]

Answer:

Hypotenuse =10

\sin(45)  =  \frac{5 \sqrt{2} }{hypoetenuse} \\  \frac{ \sqrt{2} }{2}   =  \frac{5 \sqrt{2} }{x}  \\ x = 10 \\ hypotenuse = 10

3 0
3 years ago
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Chandra bikes 32 miles and Joey bikes 36 miles.
6 0
3 years ago
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Simplify the following expression.<br> -20 + (-15)<br> А. -5<br> B. 5<br> C. -35<br> D. 35
arlik [135]

Answer:

The answer is C. −35

Step-by-step explanation:

First, you remove the parentheses.

−20 − 15

Then, you simplify and you're done!

−35

4 0
3 years ago
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PLEASE HELP ME!! I GAVE ALL MY POINTS! EXPLAIN IF POSSIBLE
SpyIntel [72]

Answer:

  • 10 mice left after 5 years

Step-by-step explanation:

<u>The function is given:</u>

  • f(x) = 5719(0.28)ˣ
  • f(x) is the number of mice left after x years, 5719 is initial number of mice (now) and x is the number of years from now

<u>Substitute x with 5 for 5 years and find the value of the function.</u>

  • f(5) = 5719(0.28)⁵ = 10 (rounded up to the integer number)
  • Multiply 5719 by 0.28 to the 5th power to get approximate number of 10

There will be 10 mice left after 5 years

3 0
3 years ago
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