Answer:
A. 76
B. We will get two real solutions for the equation.
Step-by-step explanation:
A
For any quadratic equation ax²+bx+c=0, the discriminant is b²-4ac.
In 3x²-2x-6=0, a=3, b=-2 and c=-6:
b²-4ac
(-2)²-4(3)(-6)=4+72=76
B.
When the discriminate is positive we get two real solutions to the equation, when it's zero we get one real solution, and when it's negative we get two complex solutions. Since our discriminate, 76, is positive, we know that we will get two real solutions to 3x²-6=2x.
423 inches = _________ feet, _________ inches
Answer:
432 inches = 35 feet and 3 inches
For sample of 100 students, the median number of text messages sent per day is 90, the first quartile is 78, and the third quartile is 102.
Select all of the answers that create a true statement.
Approximately 25 students in the sample send
more than 90 text messages.
.
less than 90 text messages.
0 more than 78 text messages.
0 more than 102 text messages.
0 between 90 and 102 text messages.
O less than 78 text
messages.
Answer:
D. More then 102 text messages E. Between 90 and 102 text messages F. Less then 78 text messages
Step-by-step explanation:
Remember that the 25% means ONLY things in THAT 25%. No more no less. That might not make sense, but the answer is right;)
Gina deposits $2,000 into each of two savings accounts.
- Account I earns 5% annual simple interest.
- Account II earns 5% interest compounded annually.
Gina does not make any additional deposits or withdrawals. What is the sum of the balances of Account I and Account II at the end of 3
years?
0 $4,600
O $4,615.25
0 $4,630.50
$4,300
Answer:
4,615.25
Step-by-step explanation:
I just did a et and it is correct.
Use the distributive property to rewrite each expression in its equivalent form
Answer:
picture?
Step-by-step explanation:
The point I (–4, –1) is rotated 90 about the origin. What is the image of I?
9514 1404 393
Answer:
I'(1, -4)
Step-by-step explanation:
The transformation for rotation 90° about the origin is ...
(x, y) ⇒ (-y, x)
I(-4, -1) ⇒ I'(1, -4)
Lacey filled a measuring cup with 1/2 of a cup of vegetable oil. Then she poured 1/3 of a cup of the oil into a frying pan. How much oil is left in the measuring cup?
Answer:
1/6 of a cup
Step-by-step explanation:
You're trying to figure out what 1/3 subtract 1/2 is, right?
Well first, convert both of them so they both have the same denominator.
Common Denominator = 6
So, 1/3 is 2/6 and 1/2 is 3/6 and 2/6 plus 3/6 is 5/6. Well, what's left in the cup? 6/6 subtract 5/6 is 1/6
Hope that helps!
Maria had 4 full cement blocks and one that was 5/9 the normal size if each full block weighed 3 8/9 pounds what is the weight of the blocks maria has
Answer:
17 and 58 over 81 pounds
Step-by-step explanation:
Adam is thinking of a mystery number. If he divides it by 9 and then subtracts 7 from it, the result is 1. What is Adam's mystery number?
Answer:
72
Step-by-step explanation:
1+7=8
8*9+72
Find the area please..........................................
Answer:
Should be 216
Step-by-step explanation:
4. What is the formula for distance?
d= r/t
d = rt
d = r-t
d=r+t
ILL MARKBRAINLYST PLS
Answer:
b) d=rt
Step-by-step explanation:
Solve for y. Take you time
Answer:
equation ?
Step-by-step explanation:
where is the equation
look at pic 10 pts will mark brainilest
Answer:
120 cm squared
Step-by-step explanation:
To find this is like finding a rectangle, you can take the triangular part of it and move it over to the side to become a rectangle
we can find the rectangle side by doing
21-6=15
then multiply it
15*8=120
PLEASEEE HELP ME WITH MATHHHHH GIVING BRAINLYIST
Answer:
4 18/2 is first one second is 1/1 and last is 4/5
Step-by-step explanation:
Anna is solving this equation:
7- 3(2x - 5) = -(3x + 7)
Anna uses the distributive property for her first step.
Which equation shows the correct result of Anna using the distributive property?
A. 7- 6x – 5 = -3x +7
B. 7 - 6x + 5 = -3x - 7
C. 7-6x – 15 = -3x + 7
D. 7-6x + 15 = -3x - 7
Answer:
D
Step-by-step explanation:
if you distribute, you'll get D
Answer: D
Step-by-step explanation:
7-6x + 15 = -3x - 7
Can someone please give me the answer for brilliant What is the volume of the right rectangular prism?
Answer:
[tex] 148 \frac{3}{4} \: {in}^{3} [/tex]
Step-by-step explanation:
volume of the right rectangular prism
[tex] = lwh \\ \\ = 10 \times 4 \frac{1}{4} \times 3 \frac{1}{2} \\ \\ = 10 \times \frac{17}{4} \times \frac{7}{2} \\ \\ = \frac{595}{4} \\ \\ = 148 \frac{3}{4} \: {in}^{3} [/tex]
Answer: The volume is 148 3/4 in3.
Step-by-step explanation:
V= l*w*h
V= 10* 4 1/4* 3 1/2
V= 148 3/4
Ok Now can anybody help due in 1 and a half min will give the brainiest.
Answer:
-25, 5
Step-by-step explanation:
-22 + -25 = -47
-25/5 minutes = -5
since there is no -5 in speed, then the answer is 5
What is the total area of the composite figure below?
14.5
cm2
6 cm
A
12 cm 11
3 cm
2.5 cm
12 cm
Section 1 - Question 3 Which expression would produce the greatest product? A 10 × 1/2 10 × 1/ 10 × 100 10 × 3 B C
Answer:
A: 10 x 1/2 = 15
Step-by-step explanation:
dfghj
Issac’s paper airplane flew 5 2/12 feet. Lillian’s paper airplane flew 5 5/12 feet. How much farther did Lillian’s paper airplane fly?
Answer:
Hi! The answer to your question is Lillian's paper flew [tex]\frac{1}{4}[/tex] feet further than Issac's
Step-by-step explanation:
☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆
☆Brainliest is greatly appreciated!☆
Hope this helps!!
Stay Safe!!
- Brooklynn Deka
Answer:
3/12 or 1/4 foot.
Step-by-step explanation:
I hope this helps! Have a great rest of your day!
What is the measure of Q?
Answer:
<Q = 30
Step-by-step explanation:
2x + 70 + x - 10 = 180
3x + 60 = 180
3x = 120
x = 40
x - 10
40 - 10
30
<Q = 30 because of vertical angles
I will give Brainliest
Answer:
It does not absorb moisture, but does absorb oil; this quality makes polyester the perfect fabric for the application of water-, soil-, and fire-resistant finishes. Its low absorbency also makes it naturally resistant to stains.
Step-by-step explanation:
I cant see the question's very well so ^
Answer:
2nd one
Step-by-step explanation:
Polyester is what a call hydrophobic meaning it doesn’t absorb water. Even after washing it it’ll repel the clean water making still dirty.
please help ill give brainly !! (no links)
Alfred Weagner noticed that the outline of many continents fit together, much like a puzzle leading him to propose the idea of a single super continental. This continental is known as-
A ) Eurasia
B ) Ind-Australia
C ) America
D ) Pangaea
Answer:
This continental is known as-
D) Pangaea
Answer:
choice D ) Pangaea
Rebecca ran 12 1/4 mile in 2 1/2 hours what was your average speed in miles per hour
Answer:
Your average speed was 3.29 Miles per hour (mph)
Please Consider Marking Brainliest.
Which of the following statements are true about the function below? Select all that apply. f(x)=(x-4)^2-1
Answer:
the zero is at 4 (option 1)
and the minimum is -1 (option 2)
Step-by-step explanation:
the zero is at 4 (option 1)
and the minimum is -1 (option 2)
The probability distribution for a
random variable x is given in the table.
-5
3
-2
0
2
3
Probability
117
.13
.33
-16
11
-10
Find the probability that x<-3
Answer:
[tex]P(x \le -3) =0.30[/tex]
Step-by-step explanation:
Given
The attached probability distribution of x
Required
Find [tex]P(x \le -3)[/tex]
To do this, we consider all values of x less than or equal to-3.
So, we have:
[tex]P(x \le -3) =P(x=-5) + P(x = -3)[/tex]
From the table:
[tex]P(x=-5) = 0.17[/tex]
[tex]P(x = -3) = 0.13[/tex]
So, the equation becomes
[tex]P(x \le -3) =P(x=-5) + P(x = -3)[/tex]
[tex]P(x \le -3) =0.17 + 0.13[/tex]
[tex]P(x \le -3) =0.30[/tex]
What are the first 100 digits of pi?
Answer:
3.1415926585979323846264338327952884197967987511582097414459230781546262862089910825342117067?
I did this from memory of a song I didn't use goo gle so all might not be right
Step-by-step explanation:
A civil engineer tested concrete samples to investigate the difference in strength, in newtons per square millimeter (N/mm2), between concrete hardened for 21 days and concrete hardened for 28 days. The engineer measured the strength from each sample, calculated the difference in the mean strength between the samples, and then constructed the 95 percent confidence interval, (2.9,3.1), for the difference in mean strengths.
Answer:
d
Step-by-step explanation:
HELP WILL GIVE MOST BRAINILIST!
Answer:
Step-by-step explanation:
If you add up all the male and female categories, the total is 400
the number of females between 22 and 39 is 51
P(22 - 39) = 51 / 400
P(22 - 39) = 0.1275
I think the answer you want is 51/400
Paying my bills late will most likely cause my credit score to go down.
True or False
(GIVING BRAINLIEST)
Answer:
True
Step-by-step explanation:
I need help with this!!
Answer:
c
Step-by-step explanation:
