Answer:
Should be 39 miles per hour
Step-by-step explanation:
Just divide 312/8=39
Use the discriminant to determine how many and what kind of solutions the quadratic equation 3x^2 + 4x = - 5 has.
A. one real solution
B. two complex (nonreal) solutions
C. no real or complex solutions
D. two real solutions
Pls help!
Answer:
C.
Step-by-step explanation:
The quadratic equation has two complex (nonreal) solutions option (B) is correct.
What is a quadratic equation?Any equation of the form [tex]\rm ax^2+bx+c=0[/tex] where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
As we know, the formula for the roots of the quadratic equation is given by:
[tex]\rm x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}[/tex]
We have a quadratic equation:
3x² + 4x = - 5
or
3x² + 4x + 5 = 0
D = b² - 4ac
b = 4, a = 3, c = 5
D = (4)² - 4(3)(5)
D = 16 - 60
D= -44
D < 0
Two complexes (nonreal) solutions
Thus, the quadratic equation has two complexes (nonreal) solutions option (B) is correct.
Learn more about quadratic equations here:
brainly.com/question/2263981
#SPJ2
2/3 as a decimal and also percent
Answer:
0.6 as a decimal and 60 percent
A cube with a side of 1m was sawn into cubes with a side of 1 cm and then laid in a row (in a straight line). What was the length of this series?
Answer:
10 km
Step-by-step explanation:
volume of cube = s^3
1 m = 100 cm
volume = s^3 = (1 m)^3 = (100 cm)^3 = 1,000,000 cm^3
Since 1 m^3 = 1,000,000 cm^3, when you lay down the 1-cm cubes in a straight line with the edges touching, the line is 1,000,000 cm long.
1,000,000 cm = 10,000 m = 10 km
Find vux
What is vux??????
Vux means line will cross the y axis . Horizontal lines have 0 slope. What does the y in hoy vux mean? It means the line will cross the y axis.
Find the slope of x=(5,6), y=(0,2)
Answer:
4/5
Step-by-step explanation:
the equation of slope is y1-y2/ x1-x2
you get 4/5
Eric wants to attend a public four-year university. He estimates that the average cost of one year at this university is $19,500. He can save at most $325 a month. Without factoring in interest, grants, or scholarships, what is the minimum number of months he needs to save in order to be able to pay for one year of college?
60
62
65
67
Answer:
A 60
Step-by-step explanation:
You move down 6 units. You end at (-5, -5). Where did you start?
Answer:
(-5, 1)
Step-by-step explanation:
(x, y)
x moves left/right
y moves up/down
x = -5
y = -5 + 6 = 1
(-5, 1)
I desperately need help
Answ you need to find the slope using the coordinates. Then, you need to write the equation in Point-slope form and Slope-Intercept. (If ur teacher wants Standard Form do that too
Step-by-step explanation:
Which lines represents a proportional relationship? HELP PLEASE
Answer:
C. Y3
Step-by-step explanation:
It goes straight through the origin (0,0)
Find the value of x. Round to the nearest degree.
13.
22
14
Not drawn to scale
a. 47
b. 32
c. 40
d. 50
Answer:
32
Step-by-step explanation:
What slope would make the lines
parallel?
y = 4x + 2
y = [?]x-4
Enter the number that belongs in the green box.
Answer:
4
Step-by-step explanation:
Parallel lines have the same slope and since the slope of the first line is 4 the second lines slope is also 4
Answer:
Step-by-step explanation:
Slopes of parallel lines are the same.
m = 4
317
What is the answer to 317 x 54.
17.118
Step-by-step explanation:
hope it helps! :)
Determine the unknown side of the similar triangle.
A)
2
B)
3
4
D)
5
Answer:
(C). 4
Step-by-step explanation:
Sides of the similar triangles are proportional.
if X ~ Y , then [tex]\frac{12}{6}[/tex] = [tex]\frac{8}{x}[/tex] ⇒ x = 4
Evaluate 4p+q/p when p= -2 and q= -3
a) -11/2
b) 9/2
c) -9/2
d) 11/2
Answer:
D
Step-by-step explanation:
Answer:
d. 11/2
Step-by-step explanation:
(4p + q)/p
(4(-2) + (-3))/(-2) = (-8-3)/(-2)
11/2
Find the smallest number which is exactly divisible
by 15 20 and 30
Answer:
60
Step-by-step explanation:
The smallest number that is divisible by 15, 20 , and 30, must have the needed factors of each of these numbers:
15 = 3 * 5
20 = 2 * 2 * 5
30 = 2 * 3 * 5
Then the minimum common factor must have the following factors to satisfy the divisibility of all of the numbers above:
2 * 2 * 3 * 5 = 60
Pls help me out I really need help
Answer: -0.8
Step-by-step explanation:
Sonya just turned 21 years old and will soon begin her junior year of college in
the fall. Money that she is saving for which of these purposes is not good to
put in a savings bond?
A. A down payment on a house in 10 years
B. This month's electric bill
C. Her retirement
D. College tuition for her future children
SUBMIT
Answer:
this months electric bill
Step-by-step explanation:
if l || m,find the value of x, (8x + 20) (11x-31)
Answer:
x=17
Step-by-step explanation:
8x+20=11x-31
We simplify the equation to the form, which is simple to understand
8x+20=11x-31
We move all terms containing x to the left and all other terms to the right.
+8x-11x=-31-20
We simplify left and right side of the equation.
-3x=-51
We divide both sides of the equation by -3 to get x.
x=17
Answer:
17
Step-by-step explanation:
8x + 20 = 11x - 31
-8. -8
20 = 3× - 31
+31. +31
51 = 3x
/3. /3
x = 17
1/4(x-2)+4=12 help please
Answer:
X = 34
Step-by-step explanation:
Consider the equation 3p - 7 + p = 13. What is the resulting equation after the first step in the solution?
Op-7 = 13-3p
O 2p-7 = 13
O 3p-7 = 13-
4p - 7 = 13
Answer:
4p - 7
General Formulas and Concepts:
Pre-Alg
Order of Operations: BPEMDASEquality PropertiesStep-by-step explanation:
Step 1: Define
3p - 7 + p = 13
Step 2: Solve for p
Combine like terms: 4p - 7 = 13Add 7 to both sides: 4p = 20Divide 4 on both sides: p = 5HURRY PLEASE HELP!!!!!!
the answer choices are
A. 55
B. 40
C. 60
Answer:
A. 55
Step-by-step explanation:
hope this helps have a good day :)
If Michael can read 400 pages in 8 hours, how many pages can he read in 1 hour?
Step-by-step explanation:
He will read 50 pages in an hour
the length of a rectangle is six times its width. if the area of the rectangle is 294 cm^2, find its perimeter.
Answer:
98 inches
Step-by-step explanation:
6x^2=294
x^2=49
x=7
2*7+2*42= 14+84=98 inches
Please help..............
Answer:
The first one.
Step-by-step explanation:
:)
Ann and Bob split some money in the ratio 4:2. Ann got £4 more than Bob. How much did Bob get?
Answer:
$4
Step-by-step explanation:
A 4:2 ratio is the same as a 2:1 ratio, so Ann receives double what Bob gets.
If Ann gets 8 dollars and Bob gets 4, then Ann would have $4 more than Bob, and it would follow the appropriate ratio.
Determine the Measure of angle X
Answer:
[tex]x=325[/tex]°
Step-by-step explanation:
[tex]360-35=325[/tex]
The answer above mine is correct... ^^;
87, -9, -14, 34, 147, -107, 16 in least to greatest
Answer:
-107, -14, -9, 16, 34, 87, 147
Answer:
−107,−14,−9,16,34,87,147
I need help with it problem
Answer:
I think 4y M 8x L 8x K 8y J??
Step-by-step explanation:
I'm not sure but I am going to learn this so I can become better at it.
2) A farmhouse shelters 61 animals. Some are cows and some are ducks. Altogether there are
208 legs. How many of each animal are there?
PLS HELPPPPPPP CHECK THE PICTURE ABOVE PLS :((
Answer:
(6+7)
2^4
2^2
Step-by-step explanation:
Think of the order of operations or PEMDAS: Parentheses, exponents and roots, multiplication, addition, and subtraction. When solving an equation you use the order of PEMDAS.