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Tasya [4]
3 years ago
8

A triangle with base 6. and height 3 in. Whats the answer and please show work

Mathematics
2 answers:
katrin [286]3 years ago
6 0
The formula for a triangle to find its area is A=1/2bh.
So you are trying to find the area...So you equation would be A=1/2×6×3 so I am going to multiply 6×3 first which equals 18 then you can either multiply by
.5 or divide by 2 (I chose to multiply) so I multipled 18× .5 and got 9. So 9 is your area
(Sorry if this is confusing)

I hope I helped :) <3
motikmotik3 years ago
4 0
How you find the area of a triangle is base × height ÷ 2. So the equation would be 6×3=18 18÷2=9, so the answer is 9. Hope this helped!
You might be interested in
The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher
ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340

Thus, the correct answer is

Option D) 340

7 0
3 years ago
What is -10 times 100 to the 10 power
Lyrx [107]
Bruh............................
7 0
3 years ago
Read 2 more answers
Solve 4(x-3 )+x =2x+9 and justify your solution
klio [65]
X=7
after you remove parentheses you do those steps

6 0
2 years ago
Read 2 more answers
If you divide one of the roots of the equation 4x2+bx−27=0 by the other root, the quotient will be −3. Find b.
klio [65]
<h3>Answer:</h3>

  ±12   (two answers)

<h3>Explanation:</h3>

Suppose one root is <em>a</em>. Then the other root will be -3<em>a</em>. The product of the two roots is the ratio of the constant coefficient to the leading coefficient:

  (<em>a</em>)(-3<em>a</em>) = -27/4

  <em>a</em>² = -27/(4·(-3)) = 9/4

  <em>a</em> = ±√(9/4) = ±3/2

Then the other root is

  -3<em>a</em> = -3(±3/2) = ±9/2 . . . . . . the roots will have opposite signs

We know the opposite of the sum of these roots will be the ratio of the linear term coefficient to the leading coefficient: b/4, so ...

  -(a + (-3a)) = b/4

  2a = b/4

  b = 8a = 8·(±3/2)

  b = ±12

_____

<em>Check</em>

For b = 12, the equation factors as ...

  4x² +12x -27 = (2x -3)(2x +9) = 0

  It has roots -9/2 and +3/2, the ratio of which is -3.

For b = -12, the equation factors as ...

  4x² -12x -27 = (2x +3)(2x -9) = 0

  It has roots 9/2 and -3/2, the ratio of which is -3.

4 0
3 years ago
Krystal hiked 109 miles last year. Tanji hiked 12 times as many miles as Krystal. How many miles did Tanji hike last year?
strojnjashka [21]

Answer:

1308

Step-by-step explanation:

multply

109 by 12

giving you 1,309

equation: 109×12

3 0
3 years ago
Read 2 more answers
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