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2 years ago

11

Please HELP!!!!PLSLSLSLSS

2 answers:

saul85 [17]2 years ago

6 0

what do you need help with?

n200080 [17]2 years ago

5 0

Answer: where is the question??

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What is the answer to this 6.7w- (-3)w = -5?

Shkiper50 [21]

6.7w - (-3)w = -5

42w + 3w = -5

45w = -5

w = -5/45

w = -1/9

Hope this helps!

7 0

3 years ago

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Find the average value of f(x)=2/x over the interval [1, 3].

Zanzabum

$\bf slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\ -------------------------------\\\\ f(x)= \cfrac{2}{x} \qquad \begin{cases} x_1=1\\ x_2=3 \end{cases}\implies \cfrac{f(3)-f(1)}{3-1}\implies \cfrac{\quad \frac{2}{3}-\frac{2}{1}\quad }{2} \\\\\\ \cfrac{\quad \frac{2-6}{3}\quad }{2}\implies \cfrac{\quad \frac{-4}{3}\quad }{\frac{2}{1}}\implies \cfrac{-4}{3}\cdot \cfrac{1}{2}\implies -\cfrac{2}{3}$

3 0

3 years ago

I WILL GIVE BRAINLIEST❤️

kati45 [8]

Answer:

divide.

Step-by-step explanation:

3 0

2 years ago

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A right prism has height 7½ and triangular bases with sides of length 5, 12, and 13 What is the: Total Surface Area of the Prism

sdas [7]

Given:

A right prism has height 7½ and triangular bases with sides of length 5, 12, and 13.

To find:

The total surface area of the prism.

Solution:

We have,

Height of prism = 7½ = 7.5

Sides of triangular base are 5, 12, 13. These sides of Pythagorean triplets because

$5^2+12^2=13^2$

$25+144=169$

$169=169$

So, the base of the prism is a right triangle.

Area of a triangle is

$Area=\dfrac{1}{2}\times base \times height$

$A_1=\dfrac{1}{2}\times 5\times 12$

$A_1=30$

The area of the base is equal to the area of the top, i.e., $A_2=30$ sq units.

Perimeter of the base is

$P=5+12+13$

$P=30$

The curved surface area of the prism is

$CSA=\text{Perimeter of the base}\times \text{Height of the prism}$

$CSA=30\times 7.5$

$CSA=225$

Now, the total area of the prism is

$A=A_1+A_2+CSA$

$A=30+30+225$

$A=285$

Therefore, the total surface area of the triangular prism is 285 square units.

5 0

2 years ago

Ket [755]

Answer:

9/50 or 0.18

Step-by-step explanation:

7 0

3 years ago