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harina [27]
2 years ago
6

Need answer please show work

Mathematics
1 answer:
Jet001 [13]2 years ago
7 0

Let us set up some variabe:

  • height: h
  • base: b

Use the known information:

  • b = 2h + 8

Now lets find the area

   Area = (1/2) * b *h = (1/2) * h * (2h + 8)

Hope that helps!

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The volume of a cone is 329.6 cubic inches, and the height is 5.4 inches. Which of the following is the closest to the radius r
Anna [14]

Answer:

329.6=1/3×16.97r

5.66r=329.6/÷5.66

r=58.23

8 0
3 years ago
Find the value of x 50 and please explain how?
nikklg [1K]

Answer:

180-50=130

So the answer is 130

7 0
3 years ago
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Tell whether the equation −2x + 4y = 5 represents a direct variation. If so, identify the constant of variation.
PtichkaEL [24]
The equation of a direct variation is of the form
y = mx
But the given function can be rewritten as

y =   \frac{1}{2} x +  \frac{5}{4}
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5 0
3 years ago
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Ex 65 : Étagères , merci d’ avance
Alchen [17]

Answer:

Voir ci-dessous.

Step-by-step explanation:

1.

OA/OD = 36/64 = 9/16

OB/OC = 27/48 = 9/16

m<AOB = m<COD

triangle AOB ~ trianlge DOC

m<BAO = m<CDO

AB || CD

2.

AB/CD = OA/OD

AB/80 = 36/64

AB/80 = 9/16

16AB = 9 × 80

AB = 9 × 5

AB = 45

AB = 45 cm

3.

AB = 45

BC = OC + OB = 48 + 27 = 75

AB² + AC² = BC²

45² + AC² = 75²

AC² = 5625 - 2025

AC = √3600

AC = 60 cm

hauteur = 5 × 2 cm + 4 × 60 cm

hauteur = 10 cm + 240 cm

hauteur = 250 cm

6 0
2 years ago
A submarine is at an underwater depth of 600 feet. It then rises 100 ​feet, dives 500 ​feet, and finally dives another 300 feet.
Nuetrik [128]
EXPLANATION:
600-100+500+300
= 1300 feet

ANSWER: 1300 feet is the submarine’s final depth.

Hope it helps u!

8 0
3 years ago
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