1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dexar [7]
2 years ago
9

Using factoring, what is the solution to the equation 2x2 + 3x – 5 = 0

Mathematics
2 answers:
Mars2501 [29]2 years ago
8 0
Here if this helps your welcome if not I’m sorry

So start with

2x2+3x-5=0

2x2=4

4+3x-5=0

Subtract 4 from both sides

4+3x-5=0
-4. -4

The 4 cancels out

3x-5= -4

Now add 5 to each side and the 5 will cancel

3x-5=-4
+5. +5

3x=1

Divide 3 from both sides the 3 cancels

3x=1

3/3x= 1/3

So your answer is:
x=1/3
Doss [256]2 years ago
3 0

Answer:

x = 1, -\frac{5}{2}

Please Mark Brainliest If This Helped!

You might be interested in
How many observations are there for each case in a t test for dependent samples?
Oxana [17]

The number of observations for each case in a t test for dependent samples is two is the correct answer.

In this question,

The dependent t-test also called the paired t-test or paired-samples t-test compares the means of two related groups to determine whether there is a statistically significant difference between these means. Each sample must be randomly selected from a normal population and each member of the first sample must be paired with a member of the second sample.

A dependent samples t-test uses two raw scores from each person to calculate difference scores and test for an average difference score that is equal to zero.

The groups contain either the same set of subjects or different subjects that the analysts have paired meaningfully. In dependent samples, subjects in one group do provide information about subjects in other groups.

Hence we c an conclude that the number of observations for each case in a t test for dependent samples is two is the correct answer.

Learn more about dependent t-test here

brainly.com/question/15870238

#SPJ4

5 0
2 years ago
Setting:
nata0808 [166]
A. Mr. Kent interviewed the 54 students as they are going to leave the school, it is not considered to be a random sample. It is because a random sample is when a set is taken from a population. Mr. Kent interviewed the 54 who are going to leave, meaning, he didn't take a set out of that 54, he took all of them. So it is not a random sample.

b. The question that Mr. Kent asked is considered to be a leading question, so it does not seem biased.

c. If there are 54 respondents.
51 = yes, the rest is no.
= 54 - 51 = 3
= 3 is now divided to 54 = 3/54
= giving an answer of 0.0555
= 0.0555 x 100
= 5.6%
= The percent of responses that says 'no' is 5.6%

6 0
3 years ago
Read 2 more answers
4.)star liked to practice her number sense when possible. She
Wittaler [7]

Answer:

56 + 17

Step-by-step explanation:

The numbers could be

56 + 17   because Star was separating how she added the decimal places

She added the tens units first and then the ones units last.

so   50 + 10   first

and then 6 + 7

5 0
2 years ago
A triangle has a base of 3⅖ inches and an area of 5⅒ square inches. Find the height of the triangle. Show your reasoning
N76 [4]

Answer: 3 in.

Step-by-step explanation:

Given

The base of the triangle is 3\frac{2}{5}\ inches

The area of the triangle is 5\frac{1}{10}\ inches^2

Solve mixed fraction

Base is

=3\dfrac{2}{5}\\\\=\dfrac{17}{5}\ in.

Area is

=5\dfrac{1}{10}\\\\=\dfrac{51}{10}\ in.^2

The area of the triangle is given by

\Rightarrow \text{Area A=}\dfrac{1}{2}\times \text{base}\times \text{height}

Insert the values to get the height

\Rightarrow \dfrac{51}{10}=\dfrac{1}{2}\times \dfrac{17}{5}\times \text{height}\\\\\Rightarrow \text{height}=3\ in.

8 0
2 years ago
Robert has a container in the shape of a cube with an edge length of 6.1 cm. What is the volume of the container?
Setler79 [48]
Since it's a cube all the side lengths are the same. So the calculation would be 6.1x6.1x6.1 or 6.1^3
V=226.981cm^3
V=Length x width x height
7 0
2 years ago
Read 2 more answers
Other questions:
  • How would you work out this equation? <br> 4x+3y=-23 <br> -2x-3y=25
    6·1 answer
  • Three pens cost $2.70.what is the cost for one?
    10·2 answers
  • 7/8÷ 1/4<br> I need help plz and thank you
    8·2 answers
  • Polynomial standard form (9 + m)(-m + 9)
    12·2 answers
  • What is the likelihood that the children in square 2 will have earlobes that are not attached?
    13·1 answer
  • A line with a slope of 3 passes through (2,5). Which choice is an equation of this line? Please help
    14·2 answers
  • Sorry if you can’t read it but help! If you can
    12·2 answers
  • A heavy rope, 50 ft long, weighs 0.6 lb/ft and hangs over the edge of a building 120 ft high. Approximate the required work by a
    8·1 answer
  • In Sunday's Super Bowl, Tampa Bay ended up winning over Kansas City. With the win, Tampa Bay's Quarterback Tom Brady now has 7 C
    11·2 answers
  • !!!Please help!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!