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andre [41]
3 years ago
6

If the sin 90° is 1, then the cos ____ °= _____.

Mathematics
2 answers:
borishaifa [10]3 years ago
5 0
Maybe:
Cos90=0
I’m not sure of the question here
Dahasolnce [82]3 years ago
5 0

we know that cosine of 90 is 1 and not square root 3 over 2.

The answer: cosine of zero is 1.

Hope this helps!

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If you help me I’ll mark brainliest
Ivahew [28]

Answer:

∠2=92°

Step-by-step explanation:

Using an angle formula, -8x+144=2x+74

Simplification:

-8x+144=2x+74

-8x+70=2x

70=10x

x=7

Therefore, each angle is 88°

Now, because ∠2 is adjacent to one of 88°, they add up to 180°

Therefore,

180°=88°+∠2

∠2=92°

7 0
2 years ago
Julio has started his very own floral business. He sells centerpieces for $19.50 each. His fixed costs are $500 per month, and e
Phantasy [73]
The total cost, C, is the sum of the cost to produce the centerpieces and the fixed cost. The equation for C is C = 8n + 500.

The total revenue, R, of Julio's floral business is the product of the cost per centerpiece and the number of centerpieces sold. The equation for R is R = 19.50n. 
8 0
3 years ago
Read 2 more answers
PIck from smallest to largest Smallest 8.008 8.018 8.088 8.88 8.808 Largest
frutty [35]

Answer:

<em>8.880,8.808,8.018,8.008</em>

4 0
2 years ago
There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
MAXImum [283]

Answer:

There are a total of 4 + r + 6 marbles in the bag

The probability of a blue is  \frac{4}{10+r}  

The probability of a red is  \frac{r}{10+r}  

The probability of choosing a blue, replacing it and then a red is

\frac{4}{10+r} × \frac{r}{10+r}  =  [tex]\frac{4r}{100+20r+ r^{2} /[tex]

Step-by-step explanation:

6 0
3 years ago
5 times the sum of 40 and 80. what is the numerical expression that would represent the phrase?
vlabodo [156]
<h2>Answer:</h2>

<u>The expression is</u><u> 5(40+80)</u>

<h2>Step-by-step explanation:</h2>

The sum of 40 and 80 can be written as

(40+80)

and when we take the 5 times of the sum

we can write as

5(40+80)

3 0
3 years ago
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