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atroni [7]
3 years ago
14

True or False:

Mathematics
2 answers:
Leya [2.2K]3 years ago
6 0

True is correct because it can have many sides with different measurements.

sammy [17]3 years ago
4 0

Triangles do not need to have two equal sides. There can be a triangle with measurements of

18 cm, 12 cm, and 8 cm.

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Let f(x) = -2x + 4 and g(x) = 5x - 7. Find f(x) - g(x).
balandron [24]

Answer:

If you are just looking for a simplified answer then the answer is -7x - 3.

4 0
3 years ago
What is <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B7%7D%20%20%3D%20%20%5Cfrac%7B4%7D%7B5%7D%20" id="TexFormula1"
frosja888 [35]

Multply both sides of the equation by 7.

\dfrac{x}{7}\cdot 7=\dfrac{4}{5}\cdot 7\\\\x=\dfrac{28}{5}=5.6

_____

When the variable is in the numerator of a proportion like this, you can solve it by multiplying by that denominator. That multiplication cancels the denominator and gives you the value of the variable.

In general, you multiply by the reciprocal of the coefficient of x. When that coefficient is 1/7, you multiply by 7/1. Of course, you know that 7/7 = 1 and that x/1 = x.

7 0
3 years ago
What are the types of roots of the equation below?<br><br>x^4 - 81 = 0​
natali 33 [55]

Answer:

x^4 - 81 = 0  

(x² - 9)(x² + 9) = 0  

Notice that the first of these is itself a difference of two squares:  

(x - 3)(x + 3)(x² + 9) = 0  

So the solutions are x = 3, x = -3, x = 3i, x = -3i

4 0
3 years ago
What is 6 times 4/9?
Ainat [17]
2.666. The 6 is repeating
3 0
3 years ago
Read 2 more answers
3x squared+112=2x squared 22x<br>​
Katarina [22]

Answer:

3^2 + 112 = 22x

9 + 112 = 22x

121 = 22/22x

121/22 = x

5.5 = x

Step-by-step explanation:

6 0
3 years ago
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