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jenyasd209 [6]
3 years ago
15

How do you work out the area of a triangle? ​

Mathematics
2 answers:
juin [17]3 years ago
5 0
(Base x Height) / 2 is the formula
yarga [219]3 years ago
5 0
Area= 1/2 •base•height
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Given that f(x) = x2 – 3x – 28 and g(x) = x - 7, find
gregori [183]

Answer:

(f-g)(x)=x^2-4x-21

Step-by-step explanation:

We are given the two functions:

f(x)=x^2-3x-28\text{ and } g(x)=x-7

And we want to find:

(f-g)(x)

This is equivalent to:

=f(x)-g(x)

Substitute:

=(x^2-3x-28)-(x-7)

Distribute:

=x^2-3x-28-x+7

Rearrange:

=(x^2)+(-3x-x)+(-28+7)

Hence:

(f-g)(x)=x^2-4x-21

6 0
3 years ago
What decimal is equivalent to 122/11?<br />do u divide 11 into 122 ?
Sav [38]
122/11....u divide 122 by 11...or how many times does 11 go into 122.
122/11 = 11.09 with a line over the 09 because it is repeating
8 0
3 years ago
How many different ways can the judges choose a winner and a runner up from 8 finalists in a student poetry competition ?
worty [1.4K]

Answer:

Which graph is the result of reflecting f(x) = One-fourth(8)x across the y-axis and then across the x-axis?

On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and incresaes into quadrant 1. It goes through the y-axis at (0, 0.25) and goes through (1, 2).

On a coordinate plane, an exponential function approaches y = 0 in quadrant 1 and increases in quadrant 2. It crosses the y-axis at (0, 0.25) and goes through (negative 1, 2).

On a coordinate plane, an exponential function approaches y = 0 in quadrant 3 and decreases into quadrant 4. It crosses the y-axis at (0, negative 0.25) and goes through (1, negative 2).

On a coordinate plane, an exponential funtion increases in quadrant 3 into quadrant 4 and approaches y = 0. It goes through (negative 1, negative 2) and crosses the y-axis at (0, negative 0.25).Step-by-step explanation:

6 0
3 years ago
I will give brainiest to whoever answers correctly !!
Alenkinab [10]

Answer:

$2936.79

Explanation:

The Formula for compounding interest:

F = I(1 + \frac{r}{n})^{nt}

F = final amount  (we need to find this)

I = initial amount (900 + 250 + 300 + 1400 = $2850)

r = interest rate  (1% = 0.01)

n = number of times interest applied per time period  (360)

t = number of time periods elapsed (36 months = 3 years)

F = 2850(1 + \frac{0.01}{360})^{360*3}

F = 2850(1.030454105)

F = $2936.79

5 0
3 years ago
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Jack is a professional weightlifter. his personal lifting record was 125.8kg. at a weightlifting competition, he broke his own r
Softa [21]

Answer:

126.34kg

Step-by-step explanation:

125.8+0.54=126.34kg

Convert 540 grams to kilograms` 0.54 kilograms, and add to the previous record

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3 years ago
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