3 years ago

Line ST connects point S and point T

Mathematics

1 answer:

tia_tia [17]3 years ago

6 0

Answer: true

hope thiss heelps

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if the price of a gallon in 1940 was $0.18 and $3.10 in 2010,the percentage rate of change for a gallon of gasoline over this pe

Colt1911 [192]

$\bf \begin{array}{llll}
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies &\cfrac{2010-1940}{3.10-0.18}\\
&\qquad \uparrow \\
&\textit{rate of change}
\end{array}$

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3 years ago

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Two forces, one of 45 pounds and the other 50 pounds, act on the same object. The angle between the forces is 33°. Find the magn

bearhunter [10]

Answer:

The magnitude of the resultant force is: 27.40 pounds

Step-by-step explanation:

Given

$F_1 = 45$

$F_2 = 50$

$\theta = 33$

Required

The magnitude of the resultant vector

To do this, we apply cosine formula

$R^2 = F_1^2 + F_2^2 - 2 * F_1 * F_2 * \cos(\theta)$

This gives:

$R^2 = 45^2 + 50^2 - 2 * 45 * 50 * \cos(33)$

$R^2 = 2025+ 2500 - 4500* 0.8387$

$R^2 = 2025+ 2500 - 3774.15$

$R^2 = 750.85$

Take square roots of both sides

$R = \sqrt{750.85\\$

$R = 27.40$

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3 years ago

Evaluate the expression.<br> 621+5) - 3

Gennadij [26K]

Answer:

I think its 623

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4 years ago

A camera has a listed price of $691.99 before tax. If the sales tax rate is 9.75%, find the total cost of the camera with sales

Alja [10]

You will first change the percentage into a decimal. This will turn out to be 0.0975. Next, you take that decimal and do 691.99 times 0.0975. You will then get 67.46902... You then add that number with 691.99. That is the answer. You should get 759.46. (This is rounded to the nearest cent.

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The house has a form of a rectangle with one side two and a half times as long as the other side.

Studentka2010 [4]

Answer:

A. (x*2.5)*x

B. (32*2.5)*32=2560

Step-by-step explanation:

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4 years ago