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emmainna [20.7K]
3 years ago
9

WHO EVER GETS IT RIGHT GET BRAINLEST

Mathematics
2 answers:
miv72 [106K]3 years ago
7 0

Answer:

-25

Step-by-step explanation:

negative subtract negative equals to positive

−43 − (−18)= −25

just subtract

iragen [17]3 years ago
6 0

Answer:

<em>(-25)</em>

Step-by-step explanation:

-43-(-18)

  • When u multiply minus into minus answer will be plus

-43+18

<em>(-25)</em>

<em>Hope you got it</em>

<em>  If you have any question just ask me </em>

<em>If you think this is the best answer please mark me as brainliest</em>

<em />

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1+4=5 2+5=12 3+6= 21 8+11=?
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You have to do 21+8+11=40. So 40 is the answer. Hope this helps.
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Determine which measures of center would be more appropriate to use for each of these variables
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Step-by-step explanation:

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Given a function described as equation y=3x+4, what is y when x is 1,2 and 3?
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Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place.) a = 3.0, b = 4.0, C = 58°
KATRIN_1 [288]

Answer

A = 46.3°

B = 75.7°

c = 3.5

Explanation

We will be using both Cosine and Sine rule to solve this.

For Cosine rule,

If a triangle ABC has angles A, B and C at the points of the named vertices of the tringles with the sides facing each of these angles tagged a, b and c respectively, the Cosine rule is given as

c² = a² + b² - 2ab Cos C

a = 3.0

b = 4.0

C = 58°

c² = 3² + 4² - 2(3)(4)(Cos 58°)

c² = 9 + 16 - (24)(0.5299)

c² = 25 - 12.72 = 12.28

c = √12.28 = 3.50

To find the other angles, we will now use Sine Rule

If a triangle ABC has angles A, B and C at the points of the named vertices of the tringles with the sides facing each of these angles tagged a, b and c respectively, the sine rule is given as

\frac{\text{ Sin A}}{a}=\frac{\text{ Sin B}}{b}=\frac{\text{ Sin C}}{c}

So, we can use the latter parts to solve this

\frac{\text{ Sin B}}{b}=\frac{\text{ Sin C}}{c}

B = ?

b = 4.0

C = 58°

c = 3.5

\begin{gathered} \frac{\text{ Sin B}}{4}=\frac{\text{ Sin 58}\degree}{3.5} \\ \text{ Sin B = }\frac{4\times\text{ Sin 58}\degree}{3.5}=0.9692 \\ B=Sin^{-1}(0.9692)=75.7\degree \end{gathered}

We can then solve for Angle A

The sum of angles in a triangle is 180°

A + B + C = 180°

A + 75.7° + 58° = 180°

A = 180° - 133.7° = 46.3°

Hope this Helps!!!

7 0
2 years ago
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