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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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Please help this is due tomorrow ​
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2 years ago
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3 years ago
Marta can vacuum the house in 30 min. It takes her daughter 45 min to vacuum the house. How long would it take them if they
Mamont248 [21]

Answer:

<h2>18mins</h2>

Step-by-step explanation:

This problem is on combined work rate

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Marta can vacuum the house in 30 min

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