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son4ous [18]
3 years ago
7

A swimming pool is 20 m long 15 m wide and 3 m deep. Find the cost of repairing the

Mathematics
1 answer:
Gnom [1K]3 years ago
3 0

Cost of repairing the pool is

= Rs 12750

Correct me if i'm wrong

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Write the equation of the line that passes through the given lines (0,-2) and (4,1)
Gala2k [10]

Answer:

y = 3/4x - 2

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step 1: Define

(0, -2) y-intercept

(4, 1) random point

Step 2: Find slope <em>m</em>

<em />m=\frac{1-(-2)}{4-0}<em />

<em />m=\frac{1+2}{4}<em />

<em />m=\frac{3}{4}<em />

y = 3/4x + b

Step 3: Write linear equation

y = 3/4x - 2

7 0
3 years ago
Find the range of the function.<br><br> f(x) = (x + 5)2 + 8
Marizza181 [45]
Finding the vertex of the parabola
<span>y = (x + 5)^2 + 8  the vertex is at (-5, 8)
its coefficient so the parabola turns upward so  the range is  [8 , inf]</span>
6 0
3 years ago
1 fourth B minus 10 equals 7
creativ13 [48]
\frac{1}{4}b - 10 = 7
Take 10 to the other side.

\frac{1}{4}b = 17

Multiply by 4 to isolate b
\frac{1}{4}b × 4 = 17 × 4

4 and 4 cancels out
 
b = 68
3 0
3 years ago
30 POINTS!!<br> Will give brainliest <br><br> What is ​ BC ​ ? Enter your answer in the box. units
Gemiola [76]

Answer:

BC=25

Step-by-step explanation:

this is an isosceles  triangle, so sides AB and sides AC are equal

AB = AC

4x+1 = 2x+23

subtract 2x from each side

2x+1 = 23

subtract 1 from each side

2x =22

divide by 2 on each side

x =11

BC = 3x-8

substitute the value of x

BC = 3*11 -8

BC = 33 -8

BC=25


4 0
3 years ago
Read 2 more answers
Which best describes the line of symmetry in the letter M
Deffense [45]

Answer:

horizontal lines of symmetry

Step-by-step explanation:

8 0
3 years ago
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