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nignag [31]
3 years ago
11

One solution to the problem below is 10. what is the other solution? problem:b^2-100=0

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0

Answer:

b^2=100

b=10 or b=-10

Step-by-step explanation:

AfilCa [17]3 years ago
5 0

Answer:

b₂ = - 10

Step-by-step explanation:

b² - 100 = 0

b² - 10² = 0

(b - 10)(b + 10) = 0

b₁ = 10

b₂ = - 10

a² - b² = (a - b)(a + b)

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The perimeter of a rectangle is 150cm. The length is 15cm greater than the width. Find the dimensions
ANEK [815]
150/4 = 37.5cm. You divide by four because there are four sides on a rectangle. But 37.5 is the cm of a square. Since it says one of the sides is 15cm greater, you subtract 37.5 - 15 = 27.5cm on 2 of the width. While the other 2 lengths are greater than the width by 15 cm, so you add 15 to 37.5 which gives you 52.5cm. So the 2 width are 27.5cm and the length is 52.5cm.
7 0
3 years ago
Find the value of 4!<br> O A. 24<br> O B. 16<br> O C. 12<br> O D. 10
Alex73 [517]

Answer:

A) 24

Step-by-step explanation:

4!

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24

4 0
3 years ago
3. Janet is flying a kite on a string that is 75m long. The kite is 62m above the ground. Estimate the distance between Janet an
konstantin123 [22]
Answer: a) It will be a right triangle with a hypotenuse of 75 and a vertical leg that is 62. 
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To find the missing distance in the right triangle. You have to use the Pythagorean Theorem.  I set it up and solve it below.

a^2 + b^2 = c^2
x^2 + 62^2 = 75^2
x^2 + 3844 = 5625
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3 0
2 years ago
3h - j when h = 8 and j = 11<br> plzzz help
AURORKA [14]

Answer:

13

Step-by-step explanation:

3h - j

3(8) - 11

24 - 11

13

8 0
2 years ago
What is the measure of an angle whose sine is√3/2 ? 60 45 30
dem82 [27]
ANSWER

The required angle is
60 \degree

EXPLANATION

Let the angle whose sine is
\frac{ \sqrt{3} }{2}
be
x \degree

Then

\sin(x \degree)  =  \frac{ \sqrt{3} }{2}


We take the inverse sign of both sides to obtain,

x =  \sin ^{ - 1} ( \frac{ \sqrt{3} }{2} )

We use our scientific calculator to evaluate and obtain,

x = 60 \degree
8 0
3 years ago
Read 2 more answers
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