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2 years ago

12

I really need help! ANYONEEEEE

1 answer:

antiseptic1488 [7]2 years ago

5 0

Answer:

I think Its 47? if Im wrong Im very sorry.

Step-by-step explanation:

I added all of the numbers, and the sides without numbers, its simple just add all of the numbers together, I think

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What is the discriminant of 9х2 + 2 = 10x?

vredina [299]

$\bf 9x^2+2=10x\implies 9x^2-10x+2=0 \\\\[-0.35em] ~\dotfill\\\\ \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ \stackrel{\stackrel{a}{\downarrow }}{9}x^2\stackrel{\stackrel{b}{\downarrow }}{-10}x\stackrel{\stackrel{c}{\downarrow }}{+2}=0 ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}~~\checkmark\\ negative&\textit{no solution} \end{cases} \\\\\\ (-10)^2-4(9)(2)\implies 100-72\implies 28$

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2 years ago

"a man drove 11 mi directly east from his home, made a left turn at an intersection, and then traveled 2 mi north to his place o

Charra [1.4K]

Pythagorean therom!

east and the north make a right angle

a^2 + b^2 = c^2
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8 0

2 years ago

Pls help extra points and mark brainlist

ch4aika [34]

Answer:

1

Step-by-step explanation:

So because 3 to the power of 3 is in brackets we do that first.

3 x 3 x 3 = 27

Now , 27 to the power of 0 is 1 because anything to the power of 0 is 1.I hope this helped

4 0

2 years ago

Write the expression as a single natural logarithm.<br> 2 ln m + 9 ln n=in?

Akimi4 [234]

Answer:

ln (m^2n^9)

Step-by-step explanation:

Rule: ln a + ln b = ln ab

Rule: ln a^n = n * ln a

2 ln m + 9 ln n =

= ln m^2 + ln n^9

= ln (m^2n^9)

= $\ln m^2n^9$

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2 years ago

Standard form of y+2=1/2(x-4)

gogolik [260]

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6 0

2 years ago

Read 2 more answers