Answers
Answer:
A and B
Step-by-step explanation:
Given
(3x + 7)(2x - 5) = 0
Equate each factor to zero and solve for x
3x + 7 = 0 ⇒ 3x = - 7 ⇒ x = - [tex]\frac{7}{3}[/tex] → A
2x - 5 = 0 ⇒ 2x = 5 ⇒ x = [tex]\frac{5}{2}[/tex] → B
The roots of the quadratic equation are x = -7/3 and x = 5/2.
The correct option is A and B.
What is a quadratic equation?For variable x : ax² + bx + c = 0, where a≠0 is a standard quadratic equation, which is a second-order polynomial equation in a single variable. It has at least one solution since it is a second-order polynomial equation, which is guaranteed by the algebraic basic theorem.
Given:
A quadratic equation in the factored form,
(3x+7) (2x-5) = 0.
So, 3x + 7 = 0 or 2x - 5 = 0
x = -7/3 and x = 5/2
Therefore, the roots are x = -7/3 and x = 5/2
To learn more about the quadratic equation;
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Related Questions
Please I need your help guys anybody
Answers
Answer:
Step-by-step explanation:
sorry i cant help
If the m∠A is less than 90°, then ∠A is an acute angle. M∠A=75° . What can you logically conclude using the Law of Detachment? ∠A is acute. ∠A is acute. ∠A is right. ∠A is right. ∠A is obtuse. ∠A is obtuse. Not enough information. Not enough information.
Answers
Answer:
∠A is acute. ∠A is acute.
Step-by-step explanation:
Given that
m∠A is lower than 90°
So, it is an acute angle
And, M∠A=75°
The acute angle is the angle that measures between 0 degrees and 90 degrees on the other case the obtuse angle should be more than 90 degrees till 180 degrees
So as per the law of detachment the first option is correct and the same is to be considered
NEED HELP ASAP!! need anwsers for 3 & 5
Answers
Answer:
y
x
Step-by-step explanation:
simple stuff, which part don't you get?
Solve for Y
-2х + 4y = 16
а. y = 2х + 4
b. у = -2х + 4
с. y = 1/2 х + 4
d. y = 1/2 x - 4
Answers
solve the inequality p + 4 ≥ -10
Answers
Answer:
p ≥ -14
Step-by-step explanation:
Subtract 4 from both sides.
-10 - 4 = -14
This could also be written as -10 + (-4)
p ≥ -14
Hope this helped :)
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Two students in Mrs. Albring’s preschool class are stacking blocks, one on top of the other. Reece’s blocks are 6 cm high, and Maddy’s blocks are 16 cm high. How tall will their stacks be when they are the same height for the first time?
Answers
Answer: 48cm
Step-by-step explanation:
6x8=48
16x3=48
48 cm tall their stacks be when they are the same height for the first time.
Here,
Two students in Mrs. Albring's preschool class are stacking blocks, one on top of the other. Reece’s blocks are 6 cm high, and Maddy’s blocks are 16 cm high.
What is Lowest common factor?
The least common multiple of two numbers is the smallest number that is a multiple of both of them.
Now,
To find how tall will their stacks be when they are the same height for the first time.
For this we have to find least common multiple of 6 and 16.
Hence, least common multiple of 6 and 16 = 48
So, 48 cm tall their stacks be when they are the same height for the first time.
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order √2, 2π, 0.8
Please help ASAP
Answers
Answer:
0.8,√2,2π
Step-by-step explanation:
Answer:
the second one, then the first, then the last one
Step-by-step explanation:
the first one is = to 1
the second one is = to 6.3
the third one is = to .8
Study the equations: f(x) = 6x + 7 g(x) = 4x – 2 What is h(x) = f(x)g(x)? h(x) = 24x2 – 14 h(x) = 24x2 + 40x + 14 h(x) = 24x2 + 16x – 14 h(x) = 24x2 + 12x – 14
Answers
Answer:
The value of h(x) = f(x)g(x) is 24x² + 16x – 14.
Step-by-step explanation:
Answer:
C. h(x) = 24x2 + 16x – 14
Step-by-step explanation:
Just answered it on Edge Unit Test. It is correct.
Name The Angle Pair And Find The Missing Value.
Answers
Answer:
Angle 1 and angle 2
x=9
Step-by-step explanation:
The angle pair is complementary since it makes a right angle, so you could technically name it anything like angle 1 and angle 2. You make the equation 4x+8+5x+1=90. Then, you combine like terms and get 9x+9=90. Then, subtract the 9 from 90, 81. 9x=81. Then, divide the 9 from 81. X=9.
PLEASE HELP!! MATH FINAL, NO EXPLANATION NEEDED :))
Answers
Answer:
B.
Step-by-step explanation:
When you move right or left it's inside the parentheses and the opposite so right is - and left is + when you move up or down its the same so up is + and down is -.
Answer:
B
Step-by-step explanation:
It's asking for moving right 3 and down 2. To move right three, you have to subtract 3 (It's switched up). This goes inside the parenthesis, because if it was outside of the parenthesis, it would be going up or down. Now, to go down 2, you have to subtract 2 outside of the parenthesis (It's normal). That leaves you with f(x-3)-2. Therefore, the answer is B.
Rachel's backyard pool is being emptied by a pump. The amount of water (W) in the pool in gallons, at any time (t) in hours is given by
the following equation:
W= 1800-300
How many gallons of water are being pumped out each hour? Just fill in the number.
Answers
Answer:
If you are saying that 300 gallons of water are being pumped out each hour then it will take 6 hours to pump out all of the water.
Step-by-step explanation:
To find that answer all I did was divide 1800 by 300. I don't know if that is the answer your looking for but I tryed sorry.
Which data values are outliers?
71, 96, 110, 112, 114, 114, 121, 127, 135, 175, 180
Answers
Answer: 71, 175, 180
Step-by-step explanation:
Find the interquartile range. 127- 112 = 23 Multiply by 1.5 = 34.5
Add to the mean 114 + 34.5 = 148.5
Subtract from the mean 114 - 34.5 = 79.5
Any number greater than 148.5 or less than 79.5 is considered an outlier
Question 6
A person standing 35 feet from a street light casts a shadow as shown. What is the height h of the street light? Assume the triangles
are similar
61
101
a
26 ft
30 ft
b
С
45 ft
27 ft
d
Answers
Answer:
Option (D)
Step-by-step explanation:
From the figure attached,
Since, ΔABD and ΔECD are the similar triangles,
Their corresponding sides will be proportional.
[tex]\frac{AB}{EC}=\frac{BD}{CD}[/tex]
[tex]\frac{h}{6}=\frac{(x+10)}{10}[/tex]
10h = 6(x + 10)
Since, the person is standing 35 feet from a street light,
x = 35 feet
By substituting the value of x in the equation,
10h = 6(35 + 10)
10h = 270
h = 27 ft
Therefore, height of the street light will be 27 feet.
Option (D) is the answer.
Two men can do a work in 4 days and 6 days respectively how many days will it take if they work togatherpls tell with steps ill mark brainlist
Answers
Answer:
The answer is 12/5 days
Step-by-step explanation:
The First Man (FM) takes 4 days to complete the work
In one day he does (1/4)th portion of the work
The Second Man (SM) takes 6 days to complete the work
In one day he does (1/6)th portion of the work
The FM and SM together do [ (1/4 ) + ( 1/6) ] th portion of the work
So , [ (3+2 )/12] = ( 5 / 12 ) = 5/12 th portion in one day
Hence, FM and SM together complete the work in 12/5 = 2.4 days
Find the value of X.
Answers
Answer:
X=-2.5
Step-by-step explanation:
You take -7.5 and distribute to the x and 3 so that would be -7.5x-22.5=3.75 then you take -22.5 and do inverse operation and do 22.5 on both sides which then you will have -7.5x=-18.75 then you divide both side by -7.5 and get -2.5
Anybody Need help!? I'm on here for 1 more hour! :)
Answers
Answer:
i need help on this
What are some other things that have been engineered to help people deal with the effects of gravity?
Do you know how to do this- How does Douglass’s cultural point of view as a slave from the early 1800’s shape his motivation to become literate, yet also create obstacles for him? Provide at least two examples from the text. Write at least a 100-word response.
Like- I've been stuck for an hour
A caterer is planning a party for 64 people. The customer has $150 to spend. A $39 pan of pasta feeds 14
people and a $12 sandwich tray feeds 6 people. How many pans of pasta and trays of sandwiches should the
caterer make?
Answers
S-is sandwich
What is the slope of the given lines?
Answers
Answer:
hey theres no image?? maybe comment on this so i can help you answer it :)
the sum of number and 12 is 30. determine the number
Answers
Answer:
42
Step-by-step explanation:
if I'm understand the question you add 12 and 30
which two ratios quantities that are proportional
A. 9/5 and 19/10
B. 25/25 and 20/24
C. 4/6 and 10/16
D. 15/10 and 21/14
Answers
Answer:
A
Step-by-step explanation:
9/5 and 19/10 so yeah hope it helps
Answer:
C. 15/10 and 21/14
Explanation:
A P E X
I’m in 7th grade and falling behind in math. I have a 74 any suggestion to keep focused any free apps?
Answers
Answer:
study bunny
plantie
evernote
google calendar
bear
trello
Step-by-step explanation:
these are all free with premium versions
Answer:
well if you have to do some fractions and you dont know that answer and you need the answer right away and you need to show your work. Just look up fraction cauculator or u can look up a mixed fraction cauculator. I hope this helps. :)
and the other thing that helps me stay focus is i listen to music it always helps me consatrats
solve for b d=3a+3b
Answers
[tex]b = - a + \frac{1}{3} d[/tex]
MARKING BRAINLIEST, PLEASE HELP.
In order for the picture frame to fit together where both pairs of opposite sides are parallel, what must the sum of x and y be?
Answers
Answer:
360 degrees
Step-by-step explanation:
a rectangle has a total of 360 degrees and all the x and y values are at the corners so...
Last year the cost of Mr. patten’s car insurance was 86.80 per month. This year it inscreased by 5 percent. What was the cost of his insurance after the increase?
Answers
Answer:4.34
Step-by-step explanation:
help!!!!!!!!!!!!!!!!!!
Answers
Answer:
ASA test will come
angles (given)
side between angles (common side)
Tony is selling boxes of cookies. He charges $7 for the box plus $2 per cookie.One filled box sells for $35 how many cookies will fit in the box
Answers
Answer:
14
Step-by-step explanation
you start at 7$ then you add 2$ per cookie to get the total in this case you can fit 14 cookies for 35$
Which statement is true about the transformation?
Answers
An
Step-by-step explanation:
Answer:
Step-by-step explanation:
Which statement is true about the transformation? It is isometric because not all side lengths and angle measures remained the same. It is isometric because all side lengths and angle measures remained the same. It is not isometric because not all side lengths and angle measures remained the same.
Is 52 to the power of -4 greater than, less than or equal to 1? Please help
Answers
Answer: Greater than 1
Step-by-step explanation: 52 to the power of -4 is equal to 1.36768, which is just barely over 1, but is greater than 1.
Help ASAP
Help ASAP
use completing the square to rewrite quadratic function into the form y=a(x+h)²+k
f (x) =4x²+6x-3 (1 point)
Answers
Answer:
The second: [tex]\bold{f (x) =4(x+\frac34)^2-\frac{21}4}[/tex]
Step-by-step explanation:
[tex]f (x) =4x^2+6x-3\\\\f (x) =4(x^2+\frac64x]-3\\\\f (x) =4[x^2+2\cdot x\cdot\frac34+(\frac34)^2-(\frac34)^2]-3\\\\f (x) =4[(x+\frac34)^2-(\frac34)^2]-3\\\\f (x) =4(x+\frac34)^2-4(\frac34)^2-3\\\\f (x) =4(x+\frac34)^2-\frac94-\frac{12}4\\\\\underline{f (x) =4(x+\frac34)^2-\frac{21}4}[/tex]
Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for her teacher
friends at school
She wants to divide the cookies into identical containers so that each
container has the same number of each kind of cookie.
If she wants each container to have the greatest number of cookies possible, how many plastic containers does she
need?
Answers
Answer: 16 containers?
Step-by-step explanation:
Number of oatmeal cookies with Kiara = 30
Number of chocolate chips cookies with Kiara = 48
To find the greatest number of container neded so that there are equal amount of each cookies in each , we have to find the HCF of 30 and 48 .
Factors of 32 = 1 , 2 , 4 , 6 , 8 , 16 and 32
Factors of 48 = 1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 and 48
Common and highest among these factors = 16
Which means 16 is the HCF of 32 and 48 .
∴ Kiara will need 16 plastic containers .