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MakcuM [25]
2 years ago
10

What is the surface area of this triangular pyramid? 3 m 3 m 3 m 3 m 2.6 m​

Mathematics
1 answer:
tekilochka [14]2 years ago
4 0

\stackrel{\textit{3 standing triangles}}{3\left[\cfrac{1}{2}(\stackrel{b}{3})(\stackrel{h}{3}) \right]}~~ + ~~\stackrel{\textit{triangular base}}{\cfrac{1}{2}(3)(2.6)}\implies 13.5~~ + ~~3.9\implies 23.4~m^2

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Maria needs to buy shoes for $50, jeans for $40, and a shirt for $20. She has a coupon that gives her a discount of x percent on
Colt1911 [192]
(50-(x*50))+(40-(y*40))+20= discounted with 2 coupons

110-(z*110)= the price with the total coupon. 

I believe these are the correct answers

8 0
3 years ago
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What is the slope and y-intercept of the graph?
ValentinkaMS [17]

Answer:

slope= -1

y-intercept = 24

Step-by-step explanation:

2x +2y=24

2x-24=-2y

divide by then u get:

-1x + 12= y

-1 is ur slope

<u>y-</u><u>intercept</u>

let x=0

y= -1(0)+12

y =0+12

y = 12

7 0
2 years ago
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Solve this quadratic inequalitie with detailed full explanation
ANTONII [103]

x^2\leq16\\x\leq 4 \wedge x\geq -4\\x\in\langle-4,4\rangle

different approach:

x^2\leq16\\x^2-16\leq0\\(x-4)(x+4)\leq0

see attachment

x\in\langle-4,4\rangle

7 0
2 years ago
Read 2 more answers
If f (x) = StartRoot x EndRoot + 12 and g (x) = 2 StartRoot x EndRoot, what is the value of (f – g)(144)
Luda [366]

The value of (f-g)(144) is 0

Step-by-step explanation:

We are given:

f(x)=\sqrt{x}+12\,\,and\,\,\\ g(x)=2\sqrt{x}

We need to find value of (f-g)(144)

We will put x=144 for both f(x) and g(x)

(f-g)(144)=f(144)-g(144)\\=\sqrt{144}+12-(2\sqrt{12})\\=12+12-(2(12)\\=24-24\\=0

So, the value of (f-g)(144) is 0

Keywords: Composite Functions

Learn more about Composite Functions at:

  • brainly.com/question/4939434
  • brainly.com/question/2723982
  • brainly.com/question/10772025

#learnwithBrainly

4 0
3 years ago
Read 2 more answers
Type the correct answer in the box.
tamaranim1 [39]

Answer:

The missing value of x is 3

Step-by-step explanation:

Given Table:

  x     y

 3      10

__    20

The relation of x and y (x,y) is not a function.

Relation is function if it is one-to-one.

One-to-one means to different value of x to get different value of y.

If function is not a function then one value of x to get two different value of y.

For first value of x=3, y=10

For which value of x= ? , y=20

x must be 3

x=3 to get y=20

The missing value of x is 3 because same of x we get two different value of y.

4 0
3 years ago
Read 2 more answers
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