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Burka [1]
2 years ago
14

HELP ME PLEASE WILL MARK BRAINLIEST

Mathematics
1 answer:
Natali [406]2 years ago
5 0

Answer:

y = 7, x = 7

Step-by-step explanation:

11y + 13 = 90

11y = (90 - 13)

11y = 77

y = 7

2x + 6 = 20 (because 20 is half of 40)

2x = (20 - 6)

2x = 14

x=7

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7 0
3 years ago
A.) 10<br> B.) 25<br> C.) 20<br> D.) 15
Sergio [31]
2x+4=10
2x=6
x=3
2(3)+4= 10
(plus, on parallelograms like that, parallel sides are equal to each other)
7 0
3 years ago
The probability that a region prone to hurricanes will be hit by a hurricane in any single year is 0.1 and independent of other
ludmilkaskok [199]

Answer:

0.40951  

Step-by-step explanation:

P(none in five years)   = 1 - 0.1 = 0.9

P(at least one) = 1 - P(none in five years)

= 1 - 0.9^{5}

= 1 - 0.59049

= 0.40951

So the probability of a hurricane hit at least once in the next 5 years is  0.40951  

8 0
3 years ago
35-2.4(7-5) <br> What is the answer to this question
laila [671]
30.2 is correct according to PEMDAS
8 0
3 years ago
Given that sine of theta = 21/29, what is the value of cosine of theta, for 0° &lt; theta &lt; 90°?
fenix001 [56]

If the value of θ is 46.4°. Then the value of the cosine of θ will be 20/29.

<h3>What is trigonometry?</h3>

The connection between the lengths and angles of a triangular shape is the subject of trigonometry.

The value of sine of θ is 21/29.

Then the value of θ will be

sin θ = 21/29

     θ = sin⁻¹(21 / 29)

     θ = 46.4°

Then the value of the cosine of θ will be

cos θ = cos 46.4°

cos θ = 20/29

More about the trigonometry link is given below.

brainly.com/question/22698523

#SPJ1

7 0
2 years ago
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