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4 years ago

HEEEEELLLLLLPPPP MEEEEEEEEE !!!!!!!!

Mathematics

1 answer:

Sati [7]4 years ago

6 0

23)
D- 34
C- 146
A- 146
E- 146
G- 146
F- 34
B- 34

25)
G- 35
F- 145
A- 35
C- 35
D- 145
E- 35
B- 145

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In the accompanying diagram of parallelogram ABCD,diagonals AC and DB intersect at E, AE = 3x - 4, andEC = x + 12.What is the va

skelet666 [1.2K]

x = 8

Explanation:

AE = 3x - 4

EC = x + 12

SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

2x = 16

divide both sides by 2:

2x/2 = 16/2

x = 8

4 0

1 year ago

HURRYYY

IgorC [24]

Answer:

I believe the answer is 10 units.

3 0

3 years ago

Use the definition mtan=lim

Leokris [45]

(a) mtan refers to the slope of the tangent line. Given f(x) = 9 + 7x ², compute the difference quotient:

$\dfrac{f(x+h)-f(x)}h = \dfrac{(9+7(x+h)^2)-(9+7x^2)}h = \dfrac{(9+7x^2+14xh+7h^2)-9-7x^2}h = \dfrac{14xh+7h^2}h$

Then as h approaches 0 - bearing in mind that we're specifically considering h near 0, and not h = 0 - we can eliminate the factor of h in the numerator and denominator, so that

$m_{\rm tan} = \displaystyle \lim_{h\to0}\frac{f(x+h)-f(x)}h = \lim_{h\to0}\frac{14xh+7h^2}h = \lim_{h\to0}(14x+7h) = 14x$

and so the slope of the line at P (0, 9), for which we take x = 0, is 0.

(b) The equation of the tangent line is then y = 9.

4 0

3 years ago

Answer please ...................................

jok3333 [9.3K]

Answer:

#1. 8.27

#2. 36

#3. 22

#4. 7.25

Step-by-step explanation:

#1: 60÷11=5.45 ----> 5.45×16=87.27 <This is a non-terminating decimal>

#2: 60÷5= 12 ----> 12×3= 36

#3: Games- 35 Won- 14 Lost- 21

In 1 Game Manchester won = 14/35 = 2/5 games in 54 Game Manchester won = 54 x 2/5 games

= 108 / 5

= 21.6

= 22

#4: 6 : 91 ⇒ n : 110

6(110) ⇒ 91(n)

660 ⇒ 91n

660/91 ⇒ n

7.25=n

6 0

3 years ago

HELPP! P(2, - 2); y = 7x+4 Write an equation for the line in point-slope form.

sasho [114]

Answer:

Step-by-step explanation:

y + 2 = 7(x - 2)

y + 2 = 7x + 14

y = 7x + 12

5 0

3 years ago