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Romashka-Z-Leto [24]
3 years ago
5

Evaluate -3w -2p for w=7 and p= -3

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

-3w-2p=-21+18=-3

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HELP !!!!<br><br> what is the area of this figure
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3 years ago
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The height of a triangle is 12 centimeters more than its base. The area of the triangle is 189 square centimeters Find the base
telo118 [61]

Answer:

C

Step-by-step explanation:

the area of a triangle is

baseline × height / 2

so, we know in our case

b(b+12) = 189 cm²

b² + 12b - 189 = 0

let's try to solve this by completing the square.

that means we try to find the expression

(b + k)² + c

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b² + 12b - 189

(b + k)² + c = b² + 2kb + k² + c = b² + 12b - 189

so,

2k = 12

k = 6

and then

k² + c = -189

6² + c = -189

36 + c = -189

c = -225

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6 0
2 years ago
Find x. Round to the nearest tenth.
lions [1.4K]

Answer:

<u>x = 466.7 feet</u>

Step-by-step explanation:

Finding the top angle of the triangle :

  • They are complementary
  • 90° - 31°
  • 59°

Take the tan value of this angle to find y :

  • tan 59° = 400/y
  • 1.66427948 =400/y
  • y = 400 / 1.66427948
  • y = 240.344248

Using Pythagorean Theorem to find x :

  • y² + 400² = x²
  • x = √(240.344248)² + 160000
  • x = √57765.3575 + 160000
  • x = √217765.357
  • <u>x = 466.7 feet</u> (nearest tenth)
4 0
1 year ago
Read 2 more answers
ILL GIVE BRAINLIEST ​
Travka [436]
The answer is z=20 because 25-6 is 19 and rounded that is 20
6 0
2 years ago
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