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Natalija [7]
3 years ago
14

How you substract 7 from 52

Mathematics
2 answers:
ioda3 years ago
6 0
52-7 which equals 45
lesya692 [45]3 years ago
5 0
DO 52
     -  7
      which is 45

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Plz solve the 7th question immediately ....Help me......
Lynna [10]

Answer:

The value of x is 8cm. The length of 3 sides are 8cm, 15cm and 17cm.

Step-by-step explanation:

Using Pythagoras' Theorem, a²+b² = c² :

Let a be x cm,

Let b be x+7 cm,

Let c be 2x+1 cm

x² + (x+7)² = (2x+1)²

x² + x² + 14x + 49 = 4x² + 4x + 1

2x² + 14x + 49 = 4x² + 4x + 1

Then, move all the variables to one side and solve it to find the value of x :

4x² + 4x + 1 - 2x² - 14x - 49 = 0

2x² - 10x - 48 = 0

2(x² - 5x - 24) = 0

x² - 5x - 24 = 0

(x-8)(x+3) = 0

x - 8 = 0

x = 8 cm

x + 3 = 0

x = -3 cm (rejected)

Substitute the x value into the length of a,b and c :

a = x

= 8 cm

b = x + 7

= 8 + 7

= 15 cm

c = 2x + 1

= 2(8) + 1

= 16 + 1

= 17 cm

3 0
3 years ago
What are the x intercepts of the quadratic? <br><br> (0,0)<br> (0,-1)<br> (-1,0)<br> There are none.
Katen [24]
The answer is: there are none
6 0
3 years ago
Does anyone know the answer to these problems if you know the answer for the first question then put 5. and your answer same goe
Anettt [7]
Number 5) A hill that rises 2 feet for every 10 feet of run. Because a longer run is not as steep as a short run.

Number 6) They all are parallel, they do not intersect.
6 0
3 years ago
May somebody willing help me ?
Keith_Richards [23]

Answer:

D

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
How to simplify expression by distribution 3(2y-7)
Dovator [93]
6y-27
Multiply 3 by everything inside the parenthesis
8 0
3 years ago
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