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gregori [183]
2 years ago
9

Calculate the area in square metres for a triangle with a base 16.6 m long and a perpendicular height of

Mathematics
1 answer:
fomenos2 years ago
6 0

\\ \tt\bull\leadsto Area=\dfrac{1}{2}Base\times Height

\\ \tt\bull\leadsto Area=\dfrac{1}{2}16.6\times 3.2

\\ \tt\bull\leadsto Area=8.3(3.2)

\\ \tt\bull\leadsto Area=26.56m^2

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Need help please ..
Strike441 [17]

Answer:

x = -11

Step-by-step explanation:

I'm assuming it's an isosceles triangle so 32 + 2x = 10;

subtract 32 from both sides;

2x = -22

x = -11

3 0
3 years ago
Please help me - thankyou :)
olga_2 [115]
It is 6 because 1000 would not be the appropiate answer 
3 0
3 years ago
A car with an initial cost of $26,500 depreciates at a rate of 7.5% per year. Write the function that models this situation. The
solniwko [45]

Answer:

f(x) = 26500 * (0.925)^x

It will take 7 years

Step-by-step explanation:

A car with an initial cost of $26,500 depreciates at a rate of 7.5% per year. Write the function that models this situation. Then use your formula to determine when the value of the car will be $15,000 to the nearest year.

To find the formula we will use this formula: f(x) = a * b^x. A is our initial value which in this case is $26500. B is how much the value is increasing or decreasing. In this case it is decreasing by 7.5% per year. Since the car value is decreasing we will subtract 0.075 from 1. This will result in the formula being f(x) = 26500 * (0.925)^x. Now to find the value of the car to the nearest year of when the car will be 15000 we plug 15000 into f(x). 15000 = 26500 * (0.925)^x. First we divide both side by 26500 which will make the equation: 0.56603773584=(0.925)^x. Then we will root 0.56603773584 by 0.925. This will result in x being 7.29968 which is approximately 7 years.

4 0
3 years ago
A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
RSB [31]

k = 13The smallest zero or root is x = -10

===============================

Steps:

note: you can write "x^2" to mean "x squared"

f(x) = x^2+3x-10

f(x+5) = (x+5)^2+3(x+5)-10 ... replace every x with x+5

f(x+5) = (x^2+10x+25)+3(x+5)-10

f(x+5) = x^2+10x+25+3x+15-10

f(x+5) = x^2+13x+30

Compare this with x^2+kx+30 and we see that k = 13

Factor and solve the equation below

x^2+13x+30 = 0

(x+10)(x+3) = 0

x+1 = 0 or x+3 = 0

x = -10 or x = -3

The smallest zero is x = -10 as its the left-most value on a number line.

Please mark brainliest

<em><u>Hope this helps.</u></em>

3 0
3 years ago
Mario fils out an information card. His ZIP code is 83628 His area code is 208. Which statement about the value of the 2 in 83.6
wlad13 [49]

Answer:

in the similar hundreds place except in 83.628 it is the the hundre'ths' place which is different

Step-by-step explanation:

6 0
3 years ago
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