All categories

3 years ago

Which describes the solution set of (5x –1)(x + 2) = 8x – 4?

1 answer:

5 0

(5x-1)(x+2)=8x-4
5x²+10x-x-2=8x-4
5x²+9x-2=8x-4
5x²+x+2=0
use the quadratic formula, b²-4ac=1²-4*5*2=1-40=-39, -39 cannot be square rooted, so the equation has no real solution.

You might be interested in

58. 122. 61. None of the choices are correct

In-s [12.5K]

Answer:

C. 61

Step-by-step explanation:

Two sides are equal, so the triangle is an isosceles triangle.

Both base angles are equal.

Angles in a triangle add up to 180 degrees.

58 + x + x = 180

58 + 2x = 180

2x = 122

x = 61

8 0

3 years ago

15 is 9 than j what is j in this question

marysya [2.9K]

Answer:

Step-by-step explanation:

15 is 9 more hence you subtract 9 from15

Hope this helps

3 0

2 years ago

A basketball player made 70 out of 100 attempted free throws. What percent of free throws was made?

Debora [2.8K]

Answer:

70%

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Need some help with multiplying algebraic fractions

Nezavi [6.7K]

Answer:

a=10, b=5, c=2, d=12

Step-by-step explanation:

Multiply each variable together

5*2=10

8*3=24

10 $x^{3}$ $y^{2}$ /24x

the coefficients (numbers) can each be divided by 2

5 $x^{3} y^{2}$ /12x

subtract the "x" exponents together

5 $x^{2} y^{2}$ /12

8 0

3 years ago

The figure shows a triangle with an angle bisector. If angle SUT= 34°, find the measurement of angle 1?

Burka [1]

The ANGLE BISECTOR mentioned in the problem is simply just a line that separates an angle in half.

Meaning if it bisects ∠SUT which is 34. It just means that it divides the angle 34 into 2 equal parts.

Therefore ∠1 is just one-half of the ∠SUT.

$\begin{gathered} m\angle1=\frac{\angle SUT}{2} \\ m\angle1=\frac{34}{2} \\ m\angle1=17 \end{gathered}$

Therefore the measurement of ∠1 is 17°.

8 0

1 year ago