Can some one help me please

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

7 0

Answer:

Step-by-step explanation:

x+2+10 is 13 which is the beginning of the perimeter

PilotLPTM [1.2K]3 years ago

6 0

I think it’s B I’m not for sure

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Buses on your route run every 11 minutes from 7 AM to 11 AM arrive at the bus stop at 8:18 AM how long will you wait for a bus

Vlada [557]

Your sentence is not complete. Please proofread your questions before sharing them.

I think you meant:

"<span>Buses on your route run every 11 minutes from 7 AM to 11 AM. YOU arrive at the bus stop at 8:18 AM how long will you HAVE TO wait for a bus?"

Let's try this:

First bus arrives at 7 a.m. The next one arrives at 7:11, the next at 7:22, the next at 7:33, the next at 7:44, the next at 7:55, the next at 8:06, the next at 8:17, and the next at 8:28. You'll have to wait 10 minutes for the 8:28 bus.</span>

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valentina_108 [34]

@@ I come here to want to hear the answer

4 0

3 years ago

X^2+6x-19=0 pls helpppp

USPshnik [31]

Answer:

Step-by-step explanation:

Since this is not factorable, let's just complete the square:

$x^2+6x=19\\x^2+6x+9=28\\(x+3)^2=28\\x+3=\sqrt{28}\\x=2\sqrt{7}-3$

8 0

3 years ago

Could someone help me? the video doenst explain it

True [87]

Personally, I would recommend reading this as a fraction, and splitting up mantissa from the power of 10. (Mantissa refers to the number 1.23 in $1.23\times10^n$ .)

$\left(3.6 \times 10^{-5}\right) \div \left(9 \times 10^{-7}\right) = \dfrac{3.6 \times 10^{-5}}{9 \times 10^{-7}} = \dfrac{3.6}9 \times \dfrac{10^{-5}}{10^{-7}}$