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ikadub [295]
3 years ago
15

Help pleaseeeeeeeeee

Mathematics
1 answer:
Anna11 [10]3 years ago
8 0

where is the question sir??

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2. Sheldon was doing a science experiment about temperature. He first measured the
Burka [1]

Answer:

Temperature dropped by 28°C in two hours

Step-by-step explanation:

<u>Initial measurement:</u>

  • t = 17°C

<u>Measurement 2 hours later:</u>

  • t = - 11°C

<u>The difference:</u>

  • -11°C - 17°C = -28°C

Temperature dropped by 28°C in two hours

7 0
3 years ago
Which of the following points are more than 5 units from the point P(−2, −2)? Select all that apply. A A (2, 1) B B (4, −1) C C
netineya [11]

The distance between any 2 points P(a,b) and Q(c,d) in the coordinate plane, is given by the formula:<span>

<span> |PQ|= \sqrt{ (a-c)^{2} + (b-d)^{2}}</span></span>


Using this formula we calculate the distances |PA|, |PB|, |PC|, |PD| and |PE| and compare to 5.


|PA|= \sqrt{ (-2-2)^{2} + (-2-1)^{2}}= \sqrt{16+9}= \sqrt{25}=5

|PB|= \sqrt{ (-2-4)^{2} + (-2+1)^{2}}= \sqrt{36+1}= \sqrt{37} \approx 6

|PC|= \sqrt{ (-2-2)^{2} + (-2+3)^{2}}= \sqrt{16+1}= \sqrt{17}\approx4

|PD|= \sqrt{ (-2+6)^{2} + (-2+6)^{2}}= \sqrt{16+16}= \sqrt{32}\ \textgreater \  \sqrt{25}=5

|PE|= \sqrt{ (-2+5)^{2} + (-2-1)^{2}}= \sqrt{9+9}= \sqrt{16}=4


Answer: B and D





3 0
3 years ago
Being tested hurry pls.
Nikolay [14]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Eight times what equals 226
PSYCHO15rus [73]

Answer:

28.25

Step-by-step explanation:

just do 226 divided by 8

3 0
3 years ago
Read 2 more answers
Please help me!! Just help me solve
Kruka [31]
The solution for the system of equations are:
x =  \frac{7}{5} \\ y =  \frac{11}{5}
Attached is the graph of lines y=3x-2 and y=-2x+5.

4 0
3 years ago
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