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lapo4ka [179]
3 years ago
7

Find the roots of the equation below. 7x2 + 3 = 8x

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
6 0

Answer:

x=4+-isqrt(5/7

Step-by-step explanation:

Ne4ueva [31]3 years ago
4 0
I hope this helps you

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F leonard bought 2 packs of batteries for x amount of dollars, how many packs of batteries could he purchase for $5.00 at the sa
Lemur [1.5K]
1.
The rate at which Leonard bought was 2 packs per x dollars, 

that is his buying rate was (2 packs)/(x dollars)=2/x (p/$)

2.

with 1 $ Leonard buys 2/x packs
then
with 5 $ Leonard buys (2/x)*5 = 10/x packs.

Answer: 10/x packs
5 0
3 years ago
Suppose you write and solve an equation to determine the amount of money m you have in your bank account after several weeks. Yo
Irina-Kira [14]

Answer:

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8 0
2 years ago
Find AB if A(0,3) and B(2,7)<br><br> AB= ?
Snezhnost [94]
To get you answer multiply .3 and 2.7
7 0
4 years ago
Solve: The quantity 2 x minus 20 divided by 3 = 2x
Arisa [49]
The answer is
<span>2 x minus 20 divided by 3 = 2x
equivalent of  </span><span>
</span>(2 x -20) / 3 = 2x for solving it, <span><span>(2 x -20) = 2x . (3) is sufficient
</span> </span>
so <span>2 x -20 = 6x   </span><span> -20 = 6x - </span><span>2 x and  -20 = 4x so x = -5</span>




7 0
4 years ago
I need help ASAP!!! (please look at the image and explain how you got the answer, please and thanks)
egoroff_w [7]

Answer:

114

Step-by-step explanation:

so lets call shelf 1 x

shelf 2 is twice size + 18 of shelf 1 so it is 2(x)+18

shelf 3 is 12 less than shelf 1 so x-12

shelf 4 is four more so x+4

Add them all together and it should be 5x+10= 2.5 m or 250 cm

Solve for x using cm

then plug into shelf 2 equation

8 0
3 years ago
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