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Umnica [9.8K]
4 years ago
15

Find the solution(s) for x in the equation below. x² - 25= 0

Mathematics
2 answers:
hoa [83]4 years ago
6 0

Answer:

5

Step-by-step explanation:

Truss

Alik [6]4 years ago
3 0

Answer:

x= 5, -5

Step-by-step explanation:

Add

25

to both sides of the equation.

x

2

=

25

Take the

square

root of both sides of the

equation

to eliminate the exponent on the left side.

x

=

±

√

25

The complete solution is the result of both the positive and negative portions of the solution.

x=5, −5

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In the regular pentagon below, if AP = 4 m and BC = 10 m, find it's area.
12345 [234]

First symmetrically cut the pentagon to get 5 pieces. (So that you will get the idea that this polygon is divided into 5 triangles)

Then find the area of one of the triangles:

Area of Triangle = \frac{1}{2} bh

A = \frac{1}{2} × 4 × 10

A = 20 m²

To find the area of the whole pentagon shape:

A = 20 × 5 = 100 m²

<em>Hope it helps!</em>

4 0
2 years ago
the value of y varies directly proportional to the value of x. When x = 50, the value of y= 2500. What is the value of y, when x
USPshnik [31]

Answer:

The required value of y is 4800

4 0
4 years ago
A total investment of $10,700 is made into two savings accounts. One account yields 5% simple interest and the other 6% simple i
AlladinOne [14]

Answer:

He earn $535.00 in the 5% account

Step-by-step explanation:

I =  \frac{prt}{100}

I = interest amount

p = $10 700

r = 5%

t = 1 year

I = (10700×5×1)/100

= $535.00

(Correct me if i am wrong)

5 0
3 years ago
Read 2 more answers
The multiplicative inverse of (-4)⁻² is (4)⁻². True False
timofeeve [1]

Answer: false

Step-by-step explanation:

The exponents would have to have a different sign from each other (positive or negative), not the integer.

3 0
3 years ago
If the numbers are 40,26,and 8,what are the GCF?​
Advocard [28]

Answer:

GCF of 40 26 8

40=2×2×2×5

26=2×13

8=2×2×2

=2 is common in them

Step-by-step explanation:

the answer is 2

3 0
3 years ago
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