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AnnZ [28]
3 years ago
8

Given that cos75º 0.259, which statement below

Mathematics
2 answers:
Ainat [17]3 years ago
6 0

Alright, lets get started.

Please take a look at the diagram attached.

The reference angle of 75 will be 75

As it is mentioned that the angle intersects the unit circle means r = 1

So, finding cos

cos 75 = \frac{X}{r}

cos 75 = \frac{0.259}{1}

cos 75 = 0.259 is the Answer

Hope it will help :)

hram777 [196]3 years ago
6 0
Answer: A. Sin15 = 0.259

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Arte-miy333 [17]
5 dozen= 60 doughnuts
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3 years ago
A cake recipe says to bake the cake until the center is 180°F. then let the cake cool to 100°F. The table shows temperature read
mina [271]

Answer:

8.058655822 mins

Step-by-step explanation:

We have a  table and to solve for this we might want to find the  equation for this

This is a exponential function

To solve for this we need the rate of decay and the x intercept

We know the x intercept is 180 because in 0 mins the temp is 180

To solve for decay we need to know the temp of the cake after 1 min

to get the decay value we can do

125=  180 (x)^5

.69444444444 = x^5

0.929667185 = x

so the equation would be

180 (0.929667185)^x

if we tell this equation to equal 100

we get

100 = 180 (0.929667185)^x

.5556 = (0.929667185)^x

log .5556 = log 0.929667185 *x

log .5556 / log .929667185)

8.058655822= x

After 8.058655822 mins the cake will be 100 degrees

4 0
3 years ago
You are running a fuel economy study. One of the cars you find is blue. It can travel 45 1/2 miles on 1 1/4 of gasoline. Another
Sever21 [200]

Answer:

Nghe

… Thấp thoáng ánh mắt, thấp thoáng ánh mắt

Thấp thoáng ánh mắt, thấp thoáng ánh mắt

Good boy

… Thấp thoáng ánh mắt đôi môi mang theo hương mê say

Em cho anh tan trong miên man quên luôn đi đêm ngày

Chạm nhẹ vội vàng hai ba giây nhưng con tim đâu hay

Bối rối khẽ lên ngôi yêu thương đong đầy thật đầy

… Anh ngẩn ngơ cứ ngỡ

(Đó chỉ là giấc mơ)

Anh ngẩn ngơ cứ ngỡ

(Như đang ngất ngây trong giấc mơ)

Thật ngọt ngào êm dịu đắm chìm

Phút chốc viết tương tư gieo nên thơ

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Dịu dàng đến nhân gian âu yếm tâm hồn người

… Hình như chính em

(Cho anh mong chờ)

Hình như chính là em

(Cho anh vấn vương)

Đừng thờ ơ, xin hãy lắng nghe

Và giúp anh trả lời đôi điều còn băn khoăn

7 0
3 years ago
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