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REY [17]
3 years ago
14

A shelf is built on a wall, as shown below. What is the value of x? (2x+1) + (3x-1)

Mathematics
1 answer:
Hoochie [10]3 years ago
6 0

Answer:

x = 18

Step-by-step explanation:

We need to find the value of x.

We know that the sum of angles of a triangle is equal to 180°. So, using this property,

2x+1+3x-1+90 = 180

2x+3x = 180-90

5x = 90

x = 18

So, the value of x is equal to 18.

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The government of India declared Rhinoceros as an endangered species. They put tags on 32 rhinoceros and released them. Later, t
Gre4nikov [31]

Answer:

Step-by-step explanation:

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3 years ago
What is the value of y?<br><br> Enter your answer, as an exact value, in the box.
OLga [1]
We know the bottom triangle is a 45, 45, 90 triangle, so the hypotenuse is √2 times the value of the legs:

(√2)(√2)
=√4
=2

Now, we can use this to solve for y. The top triangle is a 30, 60, 90 triangle. The side we found above is the side across from the 30 degree angle. The side opposite the 60 degree angle is √3 times the side across the 30 degree angle. Therefore, we can solve for y by multiplying 2 by √3

y=2√3
7 0
4 years ago
4
Paha777 [63]

Answer:

Je ne parle pas français donc j'utilise un traducteur. J'espère qu'il n'y a pas trop d'erreurs. Le frère de Maurice a dépensé 5,20 $ et Maurice 20,80 $

Step-by-step explanation:

7 0
3 years ago
The cost of fencing a Square Garden is 400 at the rate of 1 per metre find its length​
grin007 [14]

Here Is The Answer:

Perimeter of garden = 400 m

side of square = 400 / 4

                       = 100 m

Area of garden => 100 m x 100 m

                        => 10000 m^2

Hope It Helps You!!!  

Have A Nice Day!!!  ^_^

8 0
3 years ago
Sharifah earned $61,000 last year. If the first $34,000 is taxed at 11% and income above that is taxed at 17%, how much does Sha
Marina CMI [18]

Using proportions, it is found that Sharifah owns $8,330 in taxes.

<h3>What is a proportion?</h3>
  • A proportion is a <u>fraction of total amount</u>, and the measures are related using a rule of three.
  • Hence, using proportions, a percentage x% of an amount a is given by: \frac{x}{100} \times a.

<h3>Taxes for the first $34,000:</h3>
  • Rate of 11%, hence:

T_1 = 0.11(34000) = 3740

<h3>Taxes for the amount above $34,000:</h3>
  • The amount taxed is $27,000, as 61000 - 34000 = 27000.
  • Rate of 17%, hence:

T_2 = 0.17(27000) = 4590

Then, the total amount is:

T = T_1 + T_2 = 3740 + 4590 = 8330

Sharifah owns $8,330 in taxes.

You can learn more about proportions at brainly.com/question/24372153

8 0
2 years ago
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