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Virty [35]
3 years ago
5

Find CD CD = [? ] please help??

Mathematics
2 answers:
Flauer [41]3 years ago
7 0

Answer:

7

Step-by-step explanation:

CD is congruent to BC by CPCTC.

Kay [80]3 years ago
3 0
Your answer will be 7
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The formula for the area of a rhombus is A = a equals StartFraction one-half EndFraction d 1 d 2.D1d2, where d1 and d2 are the l
Gelneren [198K]

Answer:

d1=2A/d2

d2=2A/d1

Step-by-step explanation:

The options of this question are:

1. d₁=2Ad₂

2. d₁= 2A/d₂

3. d₂= d₁/2A

4. d₁= 2A/d₂

5. d₂= 2Ad₁

Given:

A=1/2(d1*d2)

Multiply both sides by 2

We have,

2A=d1*d2

Divide both sides by d2

2A/d2=d1*d2/d2

2A/d2=d1

Therefore, d1=2A/d2

Similarly, from the previous equation

2A=d1*d2

Divide both sides by d1

2A/d1=d1*d2/d1

2A/d1=d2

Therefore,

d2=2A/d1

Options

2. d₁= 2A/d₂

4. d₁= 2A/d₂

7 0
3 years ago
T-Shirts & More Print Shop will print any image on a coffee mug for a cost of $2 per mug and a one-time charge of $12 to set
viktelen [127]

T-Shirts $ More Shop: Final cost = 2m + 12

m = mug

You Say It, We Print It: Final Cost = 5m

If you buy 5 mugs from both place:

2 * 5 = 10

10 + 12 = 22

$22 for T-Shirts & More

5 * 5 = $25

$25 from You Say It, We Print It

D. T-Shirts & More is the better buy if you buy more than 4 mugs.

4 0
3 years ago
Read 2 more answers
Supppose A is an invertible n\times n matrix and v is an eigenvector of A with associated eigenvalue -3. Convince yourself that
tamaranim1 [39]

Answer:you will  an app go to =567

3 0
3 years ago
Need help solving systems of equations with 3 variables
DochEvi [55]
Once you start working problems like these, it pays to get an appropriate calculator.
.. (x, y, z) ≈ (248.01, 43.63, 88.34) . . . . rounded to 2 decimal places

_____
The attempt to convert these to fractions with denominators less than 9999 failed.

5 0
3 years ago
Determine the height of the triangle.
vodomira [7]

Answer:

Option B is correct.

Step-by-step explanation:

We need to find the height of triangle.

The triangle is right angled triangle

We are given Hypotenuse = 25

Perpendicular = h

and angle Ф = 34°

We know that sinФ = Perpendicular / Hypotenuse

sin 34° = h / 25

0.56 = h/25

=> h = 0.56 * 25

=> h = 14 ft

So, the height of triangle is h= 14 ft

So, Option B is correct.

6 0
3 years ago
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