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Hitman42 [59]
2 years ago
9

Someone help please Set up a proportion and solve for AD

Mathematics
2 answers:
kifflom [539]2 years ago
7 0

Answer:

AD = 10

Step-by-step explanation:

olga_2 [115]2 years ago
4 0

Answer:

AD= 10

Step-by-step explanation:

First you want to find your <u>Scale Factor</u> which is 9/6 (simplified: 3/2). Then you want to cross muliply with the other fraction being 15/x to get the equation 3x=30. Then you want to divide both sides by 3 to get your answer: AD= 10.

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Solve for x.<br><br> x2 + 4x - 21 = 0
Anton [14]
2x + 4x - 21 = 0
6x - 21 = 0
6x = 21
x=3.5
4 0
2 years ago
What is the name of the period that has 913 in the number 913,256
Lana71 [14]
thousands period is the answer
4 0
3 years ago
How can you add 3over 10 and 2over5
otez555 [7]

Answer:

7/10

Step-by-step explanation:

3/10+2/5

You have to make like denominators

So you multiply 2/5 by 2 since 1/ is the common denominator.

Then you add them

Hope this helped

6 0
3 years ago
Read 2 more answers
PLEASEEEE HELPPP MEEE WITHHH THISS QUESTIONN PLEASEEE!!!!<br> I NEED A GREAT EXPLANATION PLEASEE!!!!
ipn [44]

The diagonal of a rhombus divides it into two congruent isosceles triangles.

So ∠CBD ≅ ∠CDB

∠CBD + ∠CDB + 68 = 180

2∠CBD = 180 - 68 = 112

∠CBD = 56

We also have

∠BDE + ∠E + ∠DBE = 180

∠DBE = 180 - 73 - 36 = 71

∠EBC = ∠EBD - ∠CBD = 71 - 56 = 15

Answer: ∠EBC = 15 degrees

4 0
3 years ago
Can someone please give me the (Answers) to this? ... please ...<br><br> I need help….
bezimeni [28]

Answer:

see explanation

Step-by-step explanation:

2 chords intersecting inside a circle , then the product of the parts of one chord is equal to the product of the parts of the other chord.

6

BE × ED = AE × CE , that is

10 × 3x = 12(2x + 1) ← distribute parenthesis by 12

30x = 24x + 12 ( subtract 24x from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

then

ED = 3X = 3(2) = 6

7

RJ × JP = SJ × JQ , that is

6 × 3x = 4(4x + 1) ← distribute parenthesis by 4

18x = 16x + 4 ( subtract 16x from both sides )

2x = 4 ( divide both sides by 2 )

x = 2

then

RP = RJ + JP = 6 + 3x = 6 + 3(2) = 6 + 6 = 12

6 0
2 years ago
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