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Arlecino [84]
3 years ago
12

Soit trois nombres consécutifs. Lorsque l’on soustrait le double du deuxième nombre du quadruple du

Mathematics
1 answer:
irina [24]3 years ago
4 0

Answer:

Les trois nombres sont 5, 6 et 7.

Step-by-step explanation:

Soit x le premier nombre.

x + 1 sera le second et x + 2 sera le troisième.

On pose l'équation :

2x + 3(x + 1) = 4(x + 2)

2x + 3x + 3 = 4x + 8

5x - 4x = 8 - 3

x = 5

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Pls help me I rlly don’t get it :(
zhenek [66]

Step-by-step explanation:

Use SOH-CAH-TOA.

Sine = Opposite / Hypotenuse

Cosine = Adjacent / Hypotenuse

Tangent = Opposite / Adjacent

Let's start with #12.  The hypotenuse is 18.  The side adjacent to ∠B is 6.  Since we have the adjacent side and hypotenuse, we should use cosine.

cos B = 6/18

Solving for B:

B = cos⁻¹(6/18)

Using a calculator:

B ≈ 70.5°

Now let's do #14.  The side adjacent to ∠B is 19, and the side opposite of ∠B is 22.  Since we have the adjacent side and opposite side, we should use tangent.

tan B = 22/19

Solving for B:

B = tan⁻¹(22/19)

Using a calculator:

B ≈ 49.2°

8 0
3 years ago
1+4=5; 2+5=12; 3+6=21; 8+11=?
dybincka [34]
The pattern:
So it goes, 1, 2, 3, as the first number in each equation right.
Then it goes 4,5,6 as the second number in each equation.
<span>In other words, the first number + 3 = the second number
</span>
The sum or 3rd number is a zig zag pattern from the first and second numbers as shown below.
1 2 3 4 5 6   <span>7  </span>8   9 
4 <span>5 </span>6 7 8 9 10 11 <span>12
</span>
1 * 5 = 5, 2 * 6 = 12, 3 * 7 = 21 .... 8 * 12 = 96

<span>So the answer of </span><span>8+11=96</span>
3 0
3 years ago
Read 2 more answers
If
ioda

Answer:

B a b i e s

Step-by-step explanation:

It makes it goody

6 0
3 years ago
Read 2 more answers
Someone help me with finding the similarity statement and ratios of the side lengths cuz idk if it’s similar
andreyandreev [35.5K]

When triangles are similar, ratios of corresponding side lengths are the same. The side lengths you know are CD, DU, VW, WU. (You also know CU, but you do not know the corresponding length VU.)

The ratios can be formed in any convenient way, but it is already clear that the triangles are not similar. CD = 73 is a prime number, and neither DU nor VW is a multiple of that. For example, ...

... CD/VW = 73/84 ≠ 48/55 = DU/WU

5 0
3 years ago
What is 25 over 28 simplified
melisa1 [442]

Answer:

as a fraction \frac{25}{28} cannot be simplified any more

Step-by-step explanation:

nothing goes into both 25 and 28

6 0
2 years ago
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