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2 years ago

Please help i will mark brainly

Mathematics

2 answers:

Vsevolod [243]2 years ago

8 0

The answer to your question is positive

dsp732 years ago

3 0

The answer is going to be positive. It became positive because it is subtract and the number being subtracted is negative.

63731+796666 = 860,397

If you need further assistance, please let me know:)

Have a great rest of your day:)

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A student solved the equation 2x+6=12 using algebra tiles. incorrectly says the solution is 9. Solve the equation. What mistake

alexdok [17]

Instead of subtracting 6 from 12 then dividing they added 6 to 12 & ended up with 18. 18 by 2 is 9.

8 0

3 years ago

Word problem One of the citizens has 97 silver coins. How many bronze coins would it take to equal this amount

natita [175]

Given: Given that a citizen have 97 silver coins.

To find : Here we need to find that how many bronze coins would it take to equal this amount.

Solution: We know, 1 silver coin=10 bronze coin

So, 97 silver coin=10×97 bronze coin

=970 bronze coin

Therefore, 970 bronze coins would it take to equal this amount.

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2 years ago

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16. The answer is 1. It means the total amount of the part of the work force.
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2 years ago

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lisov135 [29]

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3 years ago

A boat heads north across a river at a rate of 2 miles per hour. If the current is flow A boat heads north across a river at a r

Ivahew [28]

Answer:

$\textrm{Resultant velocity}\ =\ \sqrt{29}\ miles/hour$

along the direction 68.19° from north.

Step-by-step explanation:

Given,

speed of the boat, u= 2 miles/hour along north

speed of the river, v= 5 miles/ hour along east

Since, north and east are perpendicular to each other, so we can write the resultant velocity in vector form as,

$\vec{r}\ =\ 2\hat{i}+5\hat{j}$

Hence, the magnitude of resultant velocity can be written as

$r\ =\ \sqrt{2^2+5^2}$

$=\ \sqrt{4+25}$

$=\ \sqrt{29}$

Hence, the magnitude of resultant vector is \sqrt{29} moles/hour.

And the direction of the boat can be given by,

$tan\theta\ =\ \dfrac{5}{2}$

$=>\ tan\theta\ =\ 2.5$

$=>\ \theta\ =\ tan^{-1}2.5$

= 68.19°

Hence, the resultant velocity of boat is $\sqrt{29}$ miles/hour along the direction making an angle 68.19° with the north.

8 0

2 years ago