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julia-pushkina [17]
2 years ago
9

Please help me out on this please

Mathematics
1 answer:
Alina [70]2 years ago
7 0

Answer:

8/15

please like my answer and brainliest me HSHSSHSHS

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If you prove that △ABD is congruent to △CDB, which general statement best describes what you have proved?
fredd [130]

Answer:

  A: Opposite sides of a parallelogram are congruent

Step-by-step explanation:

The only diagonal involved is BD, so none of the statements regrading diagonals has been proven. The only thing proven is ...

  AB ≅ CD . . . . opposite sides are congruent

  AD ≅ CB . . . . opposite sides are congruent

5 0
2 years ago
Jessica stands 150 feet from the base of a tall building. She measures the angle from her eye to the top of the building to e 84
hram777 [196]


This is an angle of elevation problem. So, we use the tangent ratio.

tan84=x/150


this then becomes

x=150(tan84)


which simplifies to

150∗(tan84)=1427


Since she only begins to observe the building 5 feet higher than where it starts, we add 5+1427, so your final answer is 1432 feet tall!
5 0
3 years ago
Question
IgorLugansk [536]

Answer:

the time is 1.57 sec and the distance is 49.32mm

Step-by-step explanation:

Given that,

The angle is 180°

Angular velocity is 2rev/sec

The radius is 10mm

we are to find the time and distance traveled at that time

The formula is

θ = at

where t is the time,

a is the angular velocity

θ is angle in radian

so,

θ = 180° × π/180°

θ = π

= 3.14

Hence ,

θ = at

3.14 = 2t

t = 1.57sec

let the distance be xmm

\frac{1.57 \times 180^0}{360} = \frac{x}{20 \pi} \\\\0.785 = \frac{x}{20 \pi} \\\\x = 49.32mm

Therefore , the time is 1.57 sec and the distance is 49.32mm

7 0
2 years ago
Read 2 more answers
Thomas sold 412 boxes of cookies at a cost of 1175 what is an estimate closest to the cost of a box of cookies
Nata [24]

Answer:

285

Step-by-step explanation:

1175 divided by 412 = 2.85194174757

that would be around 2.85

6 0
3 years ago
Read 2 more answers
List the first six common multiples of 6 and 9
V125BC [204]

Answer:

The first few multiples of 6 and 9 are (6, 12, 18, 24, 30, . . . ) and (9, 18, 27, 36, . . . )

3 0
2 years ago
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