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leonid [27]
3 years ago
13

Please help me I beg u☹️

Mathematics
2 answers:
vesna_86 [32]3 years ago
3 0

Answer:

1. Is A 2. Is also A

Step-by-step explanation:

Hope I helped!

vovangra [49]3 years ago
3 0

Answer:

it is both A

Step-by-step explanation:

I hoped u pass

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CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION
Murljashka [212]

Answer:

The value of DC is 66.34.

Step-by-step explanation:

The triangles ABC and DCA are right angled triangles.

The straight line AC is a bisector for angles C and A.

The measure of ∠C is 30°.

Then the measure of angles BCA and ACD will be 15° each.

The measure of angle DAB is 150°.

Then the measure of angles DAC and BAC will be 75° each.

Now consider the right angled triangle ABC.

The measure of side AC is:

AC^{2}=AB^{2}+BC^{2}\\AC=\sqrt{AB^{2}+BC^{2}}\\=\sqrt{4^{2}+(10\sqrt{3})^{2}}\\=\sqrt{316}

Consider the right angled triangle DCA.

The angle DAC measure 75°.

Using the trigonometric identities compute the value of Perpendicular DC as follows:

tan\ 75^{o}=\frac{DC}{\sqrt{316}}\\\\DC=3.732\times\sqrt{316}\\\\DC=66.34

Thus, the value of DC is 66.34.

7 0
3 years ago
Shannon’s rectangular countertop is 3 feet wide. It is 3 times as long as it is wide. Find the length and area of Shannon’s coun
kompoz [17]

Answer:

9 feet long

Step-by-step explanation:

6 0
2 years ago
The population of a certain animal species you are studying decreases at a rate of 3.5% per year. Only 80 of the animals in the
balu736 [363]
The function:
f ( x ) = x * 0.965^t
where x is the initial amount and t is the number of the years
80 = x * 0.965^3
80 = x  *  0.89632
x = 80 : 0.89632 ≈ 89
Answer:
The initial amount of animals was 89.
3 0
3 years ago
Find the least common multiple.
vovangra [49]

Answer:

C - 3,600

Step-by-step explanation:

100 16 45 ÷ 2

50. 8. 45 ÷ 2

25. 4. 45 ÷ 2

25. 2. 45. ÷ 2

25. 1. 45. ÷ 3

25. 1. 15. ÷ 3

25. 1. 5. ÷ 5

5. 1. 1. ÷ 5

1. 1. 1

L.C.M = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 = 3, 600

I know this may be confusing but if you don't understand, you're welcome to ask.

7 0
3 years ago
A fishing hook is at an elevation of −12 m relative to sea level. Half an hour later, the fishing hook's elevation increases by
yulyashka [42]

Answer:

-12m + 12m =0

Step-by-step explanation:

Given

Initial\ Position = -12m

Rise = 12m

Required

Represent as an equation

The new position of the hook is calculated by:

New\ Position = Initial\ Position + Rise

This gives:

New\ Position = -12m + 12m

New\ Position = 0

Hence, the equation is:

-12m + 12m =0

3 0
3 years ago
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