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Paraphin [41]
4 years ago
14

Please help! and please include work/reasoning!

Mathematics
1 answer:
maw [93]4 years ago
8 0

Answer: I believe the answer is C

Step-by-step explanation:

This is what I want you to do. Draw a kite like the one I did (include the dotted lines going). The add in that 90 degree sign to the corner of the dotted line. This is your working

In your reasoning you can say that If a quadrilateral is a kit, the diagonals will always be perpendicular. Then use that image as your proof.

Soz for the late reply :)

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6x- 12 = 36 2 step equation a little help please
kari74 [83]

Answer:x=8

Step-by-step explanation:

6 0
3 years ago
Can someone help me solve this
Ipatiy [6.2K]

Answer:

∠ 6 = 38°

Step-by-step explanation:

∠6 and 38° are vertical and congruent, thus

∠ 6 = 38°

3 0
3 years ago
(6x+4y=43)( 2x-3y=23)
SashulF [63]

Answer:

(8.5, - 2 )

Step-by-step explanation:

Given the 2 equations

6x + 4y = 43 → (1)

2x - 3y = 23 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the term in x

- 6x + 9y = - 69 → (3)

Add (1) and (3) term by term to eliminate x, that is

13y = - 26 ( divide both sides by 13 )

y = - 2

Substitute y = - 2 in either of the 2 equations and solve for x

Substituting into (1)

6x + 4(- 2) = 43

6x - 8 = 43 ( add 8 to both sides )

6x = 51 ( divide both sides by 6 )

x = 8.5

Solution is (8.5, - 2 )

6 0
3 years ago
Reduce 7y + 2y 2 - 7 by 3 - 4y.
NARA [144]

Answer:

D. 2y^2+11y-10.

Step-by-step explanation:

Given:

We need to reduce 7y+2y^2-7 by 3-4y

Solution:

To reduce the equation means we need to subtract the one equation from other.

First we will arrange the equation n proper format we get;

2y^2+7y-7  ⇒ equation 1

Also Arranging other equation we get;

-4y+3   ⇒ equation 2

Now we will subtract equation 2 from equation 1 we get;

(2y^2+7y-7)-(-4y+3)

Now Applying distributive property for the sign we get;

2y^2+7y-7+4y-3

Now Arranging the like terms we get;

2y2+7y-+4y-7-3\\\\2y^2+11y-10

Hence the reduce form of the given equation is 2y^2+11y-10.

7 0
3 years ago
Make u the subject d²+3u=y/x²​
jekas [21]

Answer:

u =  \frac{y - (xd) { }^{2} }{3x {}^{2} }

Step-by-step explanation:

3u=y/x^2-d^2

3u=y-(xd)^2/x^2

u=y-(xd)^2/3x^2

7 0
3 years ago
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