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natita [175]
3 years ago
7

Julie is solving the equation x2 + 5x+6= 0 and notices that the discriminant b2- 4ac has a value of 1. This tells her that the e

quation
has
A) no real roots

B) exactly one real root.

C) exactly two real roots.

D) exactly three real roots.
Mathematics
1 answer:
ycow [4]3 years ago
6 0

Answer: C

Step-by-step explanation:

If you use the quadratic equation you will find that there are two possible answers to this problem

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What is the equation of a line that is parallel to the line y= x+2? (Sorry I forgot to add multiple choice the first time.)
scoundrel [369]

Answer:

The answer is D. y - x = 1

Step-by-step explanation:

cause they have the same slope

7 0
3 years ago
Read 2 more answers
Translate and solve using proportions 6.5% of what number is $3.77
marshall27 [118]

Answer:

<u>The quantity is US$ 58, which 6.5% is US$ 3.77 </u>

Step-by-step explanation:

Number = x

6.5% of x = $ 3.77

6.5% = 0.065 = 65/1,000 = 13/200 (Dividing by 5)

3.77 = 3 + 77/100 (We can't simplify 77/100)

Thus,

13/200 * x = 3 77/100

13x/200 = 377/100

13x = 754 (Multiplying by 200 at both sides)

x = 754/13 (Dividing by 13 at both sides)

<u>x = 58</u>

7 0
4 years ago
The vertices of a rectangle are (1, -3), (4,0), (0,4) and (-3,1). What is the area of the rectangle? ​
motikmotik

Answer:

48

Step-by-step explanation:

You can use a graphing calculator like desmos or draw your own graph to figure this out. Start by graphing each of those points. Then count the width and height. Multiply them to get the area. The width and height of the rectangle were 6 and 8, so the area is 48

3 0
3 years ago
The price of stock a.m. 9 AM was $12.73 cents and the price has been increasing at the rate of six cents per hour at noon the pr
svp [43]

Sry couldn't find the answer

7 0
3 years ago
Please please help ASAP! Classify each angle!
Olenka [21]

Answer:

<h3>             Acute Angles: ∠TLS, ∠SLT, ∠ULR</h3><h3>             Right Angles:   ---------</h3><h3>             Obtuse Angles:  ∠RLT, ∠SLU, ∠ULS,</h3><h3>             Straight Angles:  ∠RLS, ∠TLU </h3><h3>             Not angles: ∠TRL </h3>

Step-by-step explanation:

The lines intersect at point L, so all angles have a vertex (middle letter) L so there is no angle TRL

Straight angle is a line with dot-vertex, so the straight angles are ∠RLS and ∠TLU.

∠TLS is less than 90° then it is acute angle (∠SLT is the same angle). ∠ULR is vertex angle to ∠TLS, so it's also acute angle.

Two angles adding to straight angle mean that they are both right angles or one is acute and the second is obtuse. ∠TLS is acute so ∠RLT is obtuse (they adding to ∠RLS) and ∠SLU is obtuse (they adding to ∠TLU). ∠ULS is the same angle as ∠SLU.

8 0
4 years ago
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