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4vir4ik [10]
3 years ago
10

Carlos tiene 3 chocolates más que mariana, mariana tiene 3 chocolates más que verónica y verónica tiene 3 chocolates más que lui

s. entre los cuatro tienen 58 chocolates. ¿cuántos chocolates tiene cada uno.
Por favor
Mathematics
1 answer:
Elden [556K]3 years ago
6 0
Carlos : 23.5


Mariana : 20.5


Verónica : 17.5


Luis : 14.5





I THINK !!!
I DONT KNOW IF IM RIGHT!!!!!


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Hi guys . pls help me with this​
daser333 [38]

Step-by-step explanation:

The upstream speed is S / t₁, and the downstream speed is S / t₂.

If we say f is the speed of the fish in calm water, and r is the speed of the river, then:

f − r = S / t₁

f + r = S / t₂

If we say T is the time it takes to cross the river, then the speed perpendicular to the river is ℓ/T, the speed parallel to the river is r, and the overall speed is f.

Using Pythagorean theorem:

f² = (ℓ/T)² + r²

f² − r² = (ℓ/T)²

(f − r) (f + r) = (ℓ/T)²

(S / t₁) (S / t₂) = (ℓ/T)²

S² / (t₁ t₂) = (ℓ/T)²

(t₁ t₂) / S² = (T/ℓ)²

√(t₁ t₂) / S = T/ℓ

T = ℓ√(t₁ t₂) / S

6 0
3 years ago
10) Find the area of a circle that has the<br> circumference of 117 cm. Leave it as it.
garik1379 [7]

Step-by-step explanation:

Using the formulas

A

=

π

r

2

C

=

2

π

r

Solving for

A

A

=

C

2

4

π

=

117

2

4

·

π

≈

1089.33601

cm²

A

≈

1089.34

cm²

8 0
3 years ago
Look at the 2 pictures to solve
bija089 [108]

Answer:

x = 15.3

x = 20.9

Step-by-step explanation:

sin(46) = 11/x

⇒ x = 11/sin(46) = 15.3

cos(55) = 12/x

⇒ x = 12/cos(55) = 20.9

3 0
2 years ago
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Lera25 [3.4K]

x^2-9x-6=0


Use the quadratic formula to get (9+sqrt(105))/2 or (9-sqrt(105))/2


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3 years ago
Find the y-intercept and slope of the function graph and find the equation for the function
FrozenT [24]

Answer:

y=-x+5 the y intercept is 5 and the slope is -1

Step-by-step explanation:

7 0
2 years ago
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