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IRISSAK [1]
3 years ago
12

HELP! What is the value of X that will make A parallel to B? WILL GIVE BRAINLIEST!

Mathematics
1 answer:
solong [7]3 years ago
5 0

Answer:

11

Step-by-step explanation:

Those are alternate exterior angles.  IF the lines A and B are parallel, then those angles are equal.  Set them equal to each other and solve for x:

5x + 9 = 6x - 2

Combine like terms:

11 = x

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Give an example of a quadratic with complex roots. Explain how you know it has complex roots.
Vladimir [108]
2x^2 + x + 3=0 has only complex roots.

The determinant is 1-4*2*3 = -23

-23 (or any determinant) is the part under the square root sign,  If that determinant is negative, knowing you cannot take the square root of a negative number, we know the answers must be complex.
5 0
3 years ago
11/10=n/14 Please solve this will give brainliest for the correct answer
Talja [164]

\text{ Hi there! =)}

\large\boxed{n = 15.4}

\frac{11}{10} =\frac{n}{14} \\\\\text{ Cross multiply to solve for n:}\\\\11 * 14 = 10 * n\\\\154 = 10n\\\\n = 15.4

8 0
2 years ago
HELP FAST PLZZZ IM SO CONFUSED
Snezhnost [94]

Answer:

140°

Step-by-step explanation:

The total of interior angles in a polygon is 720 °

The total of the angles given to you is (100*2+130+125*2) = 580

Then you subtract the total of the angles given from the total value of the interior angles to get 140°

5 0
3 years ago
Question. 1 :
vovikov84 [41]
<h3>Answer to Question 1:</h3>

AB= 24cm

BC = 7cm

<B = 90°

AC = ?

<h3>Using Pythagoras theorem :-</h3>

AC^2 = AB^2 + BC ^ 2

AC^2 = 24^2 + 7^2

AC^2 = 576 + 49

AC^2 = √625

AC = 25

<h3>Answer to Question 2 :-</h3>

sin A = 3/4

CosA = ?

TanA = ?

<h3>SinA = Opp. side/Hypotenuse</h3><h3> = 3/4</h3>

(Construct a triangle right angled at B with one side BC of 3cm and hypotenuse AC of 4cm.)

<h3>Using Pythagoras theorem :-</h3>

AC^2 = AB^2 + BC ^ 2

4² = AB² + 3²

16 = AB + 9

AB = √7cm

<h3>CosA = Adjacent side/Hypotenuse</h3>

= AB/AC

= √7/4

<h3>TanA= Opp. side/Adjacent side</h3>

=BC/AB

= 3/√7

4 0
2 years ago
Two grocery stores are having deals on tomatoes. Sally's Grocery is selling 10 tomatoes for $6.30. Sweet Supermarket is selling
iragen [17]

Answer:

Step-by-step explanation:

Calculate price per unit:

7/5.10= $1.37

So the answer is the store selling 10 tomatoes for $6.30 is the lower unit price

The tomoatoes if they were sold at Sally’s instead would cost $4.41

4 0
2 years ago
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