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2 years ago

GEOMETRY!!! 15 PTSSSSS

Mathematics

2 answers:

ss7ja [257]2 years ago

4 0

Answer:

23) option c

JL ≈ 9.3

25) option c

y ≈ 9.6

Step-by-step explanation:

Given in the question that,

cos(21°) = 9 / y

y = 9/cos(21°)

y = 9.64

y ≈ 9.6(nearest tenth)

Given in the question that the hypotenuse of right angle triangle = 12

To find,

height of the right angle triangle

angle k = 39°

so by using trigonometry identity

cos(39) = opp/hypo

cos(39) = JL / KL

JL = cos(39)(12)

JL = 9.32

JL ≈ 9.3

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lapo4ka [179]2 years ago

4 0

Answer:

Q 23. Last option 7.6

Q 25 Third option

Step-by-step explanation:

<u>To solve Q 23</u>

From the figure we can write,

Sin 39 = Opposite side/Adjacent side

= JL/KL

= JL/12

JL= 12 * Sin 39

= 12 * 0.629 = 7.55

= 7.6

<u>To solve Q 25</u>

Cos 21 = 9/y

y = 9/Cos 21 = 9/0.9335

= 9.64

= 9.6

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2 years ago

Una figura con 2346 cubos pertenece ala sucesión?

Molodets [167]

Answer:

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Step-by-step explanation:

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2 years ago

Eric took out an 80/20 mortgage to buy a house costing $175,000. The first (80%) mortgage has an interest rate of 4.75%, and the

Serhud [2]

Answer:

The total monthly mortgage payment for the house is $975.63

Step-by-step explanation:

The principle amount is $175000

80% of 175000 is = $0.8\times175000$ = $140000

20% of 175000 is = $0.2\times175000$ = $35000

Emi formula is :

$\frac{p\times r\times(1+r)^{n} }{(1+r)^{n}-1 }$

For 1st part:

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r = 4.75/12/100=0.00395

n = $30*12=360$

Putting values in formula we get

$\frac{140000\times0.00395\times(1.00395)^{360} }{(1.00395)^{360}-1 }$

= $729.508

For 2nd part:

p = 35000

r = 7.525/12/100=0.00627

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Putting values in formula we get

$\frac{35000\times0.00627\times(1.00627)^{360} }{(1.00627)^{360}-1 }$

= $245.301

Adding both the monthly payments:

$729.508+245.301=974.809$ dollars

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So, option A is the answer.

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5 0

3 years ago

For Judy's birthday, her friend gave her a gift card. She went to the clothing store and bought a total of $178.25 worth of clot

vladimir1956 [14]

Answer:

<h3>The percentage is <u>60%</u> of the total amount paid with the gift card. </h3>

Step-by-step explanation:

Given:

Total worth of clothing is $178.25 and the amount paid with cash is $71.30.

Let us find the part of amount paid with the gift card:

Amount of gift card(G) = Total worth(T) - Amount paid in cash(C).

$G\ =\ 178.25-71.30$

$G\ =\ 106.95$ .

So, the amount paid with the gift card is $106.95.

Now, according to question:

$\frac{106.95}{178.25}\times100$

$=0.6\times100$

$=60$ %.

Therefore, the percentage is <u>60%</u> of the total amount paid with the gift card.

6 0

2 years ago