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antoniya [11.8K]
2 years ago
7

PLEASE HELP!! Question:use the figure to solve for x

Mathematics
2 answers:
liberstina [14]2 years ago
8 0
The answer to this is D= 45
Norma-Jean [14]2 years ago
6 0

Answer:

d. x=45

Step-by-step explanation:

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HELP...... which is a solution of the equation? 2x - y = 0
Lena [83]

All we need to do is plug the numbers into the equation.


A:

2(3)--1=0\\6--1=0\\7\neq0

Not A.

B:

2(2)--4=0\\4--4=0\\8\neq0

Not B.

C:

2(1)-2=0\\0=0

C is the correct answer

6 0
3 years ago
To factor 9x^2 - 4, you can first rewrite the expression as:
olga2289 [7]

Answer:

  C. (3x)^2 - (2)^2

Step-by-step explanation:

Each of the two terms is a perfect square, so the factorization is that of the difference of squares. Rewriting the expression to ...

  (3x)^2 - (2)^2

highlights the squares being differenced.

__

We know the factoring of the difference of squares is ...

  a^2 -b^2 = (a -b)(a +b)

so the above-suggested rewrite is useful for identifying 'a' and 'b'.

4 0
3 years ago
HCPS Algebra
ira [324]

Answer:

Step-by-step explanation:

7 0
2 years ago
(4/9)^-1=<br><br><br>A. -4/9<br><br>B. 9/4<br><br>C. -9/4
Romashka-Z-Leto [24]

Answer: 9/4

Step-by-step explanation: Think of (\frac{4}{9})^{-1}as \frac{4^{-1} }{9^{-1}}.

Now, we can change 4⁻¹ to 4¹ by moving it to the denominator and

we can change 9⁻¹ to 9¹ by moving it to the numerator.

So we have 9¹/4¹ which simplifies to 9/4.

5 0
3 years ago
Show that the equation x^3+6x-5=0 has a solution between x=0 and x=1
Mnenie [13.5K]

Answer:

Since the value of f(0) is negative and the value of f(1) is positive, then there is at least one value of x between 0 and 1 for which f(x) =0.

Step-by-step explanation:

The equation f(x) given is:

f(x) = x^3+6x-5

For x = 0. the value of the expression is:

f(0) = 0^3+0-5\\f(0) = -5

For x = 1, the value of the expression is:

f(1) = 1^3+6-5\\f(1)=2

Since the value of f(0) is negative and the value of f(1) is positive, then there is at least one value of x between 0 and 1 for which f(x) =0.

In other words, there is at least one solution for the equation between x=0 and x=1.

6 0
2 years ago
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