Answer:
Step-by-step explanation:
19.
2x^2+x-6=0
x^2+x-12=0
(x+2)(2x-3)=0
x=-2,3/2
20.
x^2+8x+15=0
(x+3)(x+5)=0
x=-3,-5
Answer:
19--
(2x-3) (x+2)=0
20--
x = 3,-5
Step-by-step explanation:
Please help i'' give 20 points
Answer: Answer is C. but if you want to double check before giving this in pls use a greater than less than calculator.
Step-by-step explanation:
Use trig to find the legs of ABC if the base is AC and the height is BC (round to nearest tenth)
Answer:
GIVEN :-
∠A = 15°Length of AB (hypotenuse) = 60 ftTO FIND :-
Length of BCLength of ACArea of ΔABCFACTS TO KNOW BEFORE SOLVING :-
[tex]\sin \theta = \frac{Side \: opposite \: to \: \theta}{Hypotenuse}[/tex][tex]\cos \theta = \frac{Side \: adjacent \: to \: \theta}{Hypotenuse}[/tex]SOLUTION :-
In ΔABC ,
[tex]\sin 15 = \frac{BC}{60}[/tex][tex]=> 0.2588... = \frac{BC}{60}[/tex]
[tex]=> BC = (0.2588....) \times 60 = 15.5291.....[/tex] ≈ 15.5 ft
[tex]\cos 15 = \frac{AC}{60}[/tex][tex]=> 0.9659..... = \frac{AC}{60}[/tex]
[tex]=> AC = (0.9659.....) \times 60 = 57.9555.....[/tex] ≈ 58 ft
Area of ΔABC = [tex]\frac{1}{2} \times 58 \times 15.5 = 449.5 \:ft^2[/tex]
Is 1 considered a prime number??
Answer:
No
Step-by-step explanation:
Prime numbers have to be only divisible by one and themselves (2 numbers), but one is,[tex]1*1[/tex] so it is only divisible by one number, thus it is not prime.
Mia spent $30 to fill 10 gallons of gas in her minivan. How much does 6 gallons of gas cost?
Answer:
$18
Step-by-step explanation:
6/10 × $30 = $18
______
Solve by substitution. Please show work!!!
x+4y=-3
x+7y=-12
[tex] \huge\mathcal\colorbox{red}{\color{pink}{ᶛɲƧཡэʀ}}[/tex]
x = 9
y = -3
How many solutions does the system have?
y + 7 = 2x
2y = 4x – 14
Which expressions are equivalent to 22c + 33d?
Choose 3 answers:
(-2c - 3d)(-11)
CO
© 2011 - 31)
As
1
(66c + 99d) - 3
Со
-1X (-22 - 33d)
MY
11 . (2c + 3d)
Answer:
A, C, and E
Step-by-step explanation:
For the first one, distribute -11 to each value. A negative times a negative is a positive, so -11×-2c is 22c. -11×-3d is 33d. So the first one is right. For the third one, distribute 1/3 to each value. 1/3 of 66c is 22c, and 1/3 of 99d is 33d, so the third one is correct as well. For the last one, distribute 11 again. 11×2c is 22c and 11×3d is 33d, so the last one is correct.
any one know this one maybe
first drop down says origin, y axis, x axis. Second drop down says transformation, diolation, movment upwards, and translation
Answer:
I have no clue,
Step-by-step explanation:
I just wanted the points
theres like 7 more questions like thishelp
Answer:
here
let the missing angle be x
now,
x+30°+40°=180 °
x=110°
4x - 2 + y = 6 - 2x for x
Answer:
x=8+y/6
Step-by-step explanation:
Put variables on one side and digits on the next. Then solve.
Question 24 of 25
Find the common ratio for this geometric sequence.
72,12,2,1/3,1/18
0
A. 6
o
B. 3
c. 1/3
D.
1/6
Answer:
[tex]common \ ratio ,r =\frac{a_{2} }{a_{1} } = \frac{12}{72}=\frac{1}{6}[/tex]
option D
Solve the following system of equations and show all work
y = 3x2 - 8x
y = 9x - 10 (10 points)
value of x =
[tex] \dfrac{2}{3} \: \: or \: \: 5[/tex]solution is in attachment : -
Find the area of the thombus.
[tex]b=6\frac12\,in\,,\quad h=6\,in\\\\\\A=b\cdot h\\\\=6\frac12\cdot6= 6\cdot6+\frac12\cdot6 =36+3\\\\=39\ \text{in}^2[/tex]
I just this one please someone help
Answer:
100
Step-by-step explanation:
because 4, 3, and 2 all make 180 and 4 and 2 are both 40 so you add that which makes 80 and then you take 180 and subtract 80 which gives you 100
Answer:
100
Step-by-step explanation:
This is because angle 1 and angle 2 are congruent, so both of them are 40 degrees. To find angle 3, you do 40+40 which is 80. You then subtract 180-80=100. This is because angles 1, 2, and 3 are all on 1 straight line.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.
I don't want links.
I don't want links.
I don't want links.
Answer:
2n^3
Step-by-step explanation:
In a middle school classroom there are 4 boys for every 6 girls. How many
boys would there be in a classroom with 30 student?
Answer:
12
Step-by-step explanation:
Answer:
12 boys
Step-by-step explanation:
4/(4+6) × 30
= 4/10 × 30
= 12
Which best proves why the expressions 4(x+3)+2x and 6(x+2) must be equivalent expessions
Answer:
Step-by-step explanation:
4(x+3)+2x= 4x+12
4x+12+2x= 6x+12
and the second is
6(x+2)=
6x+12
1. Is the function below linear or non linear? y = -8X2 + 9??
y=x^4 - 3x^2
describe the end behavior of this function
Answer:
Step-by-step explanation:
The graph of this type of function where the coefficient of x^4 is positive is shaped like a W.
The ends will descend from the left of the graph and rise to the right.
2х + Зу = 5
у= 5 - x
also need method
Answer:
x=10, y=-5
Step-by-step explanation:
2x+3y=5, y= 5-x; change y to 5-x:
2x+3(5-x)=5
2x-3x+15=5
-x=5-15
-x=-10
x=10
=>y=5-x=5-10=-5
5x+12-8x=-24 steps by step please
Step-by-step explanation:
=>first combine the like terms5x-8x+12=24
-3x+12=24
=>substruct 12 from 12 and 24-3x+12-12=24-12
-3x=12
=>divide -3 from both side-3x/3=12/-3
=-4Answer is x = 12 :)
Operations you're supposed to do in order to solve this equation are:
1. Combine like terms
2. Subtract 12 from both sides
3. Simplify
4. Divide both sides of the equation by the same term
5. Simplify.
(Demonstration is on the file I uploaded) <3
plz plz plz plz plz answer
Solve 5x + 3 = 23 using inverse operations.
Answer:
4
Step-by-step explanation:
3- 3
23 - 3
20 / 5 = 4.
4 x 5 + 3 = 23, so X is 4.
Si un rombo tiene un lado con medida de 16 pulgadas. Cual es su perimetro . If a rhombus has a side measured 16 inches. What is its perimeter.
Answer:
64 inches or 64 pulgadas
Step-by-step explanation:
The formula for the perimeter of a rhombus is given as:
P = 4a
Where a = side length of the rhombus
From the above question, side length of the rhombus = 16 inches
Hence, Perimeter of the rhombus = 4 × 16 inches
= 64 inches
La fórmula para el perímetro de un rombo se da como:
P = 4a
Donde a = longitud del lado del rombo
De la pregunta anterior, la longitud del lado del rombo = 16 pulgadas
Por lo tanto, perímetro del rombo = 4 × 16 pulgadas
= 64 pulgadas
Find the slope. Please
Answer:
-1/3
Step-by-step explanation:
→ Write down 2 coordinate pairs
(-9 , 11) and (-3 , 9)
→ Write down the slope formula
(y₂ - y₁) ÷ ( x₂ - x₁ )
→ Substitute in the numbers
( 9 - 11 ) ÷ ( 9 - - 9 )
→ Simplify
-1/3
The cafeteria is preparing ofr lunch. They have 18 bottles of ketchup that hold 96 ounces each. All of the ketchup needs to be divided equally into small containers that hold 1/5 of an ounce each. Hom many small containers are needed for each bottle of ketcup
Answer:
480 small containers
Step-by-step explanation:
From the above question,
1/5 ounce of ketchup = 1 small container
96 ounces of ketchup = x small containers
Cross Multiply
1/5 ounce × x = 96 ounces × 1
x = 96 ounces × 1/ 1/5 ounce
x = 96 ÷ 1/5
x = 96 × 5/1
x = 480 small containers
Therefore, the number of small containers needed is given as: 480 small containers.
√96 how do i solve this and it can't be a decimal
Nuha is going through a revolving door that needs to rotate
16
0
∘
160
∘
160, degrees to allow her to pass through. The wind pushed the door around
4
0
∘
40
∘
40, degrees. Nuha needs to push it the rest of the way.
Answer:
The answer is A
Step-by-step explanation: BIG BRAIN
The equation that will tell us the measure of the additional angle, a, that Nuha needs to push the door before she can get out is D: 160 - 40 - a.
To determine the equation that will give us the measure of the additional angle, a, that Nuha needs to push the door before she can get out, we can break down the information provided:
1. The door needs to rotate 160° for Nuha to pass through.
2. The wind pushed the door 40°.
To find the additional angle that Nuha needs to push the door, we can subtract the angle already rotated (40°) and the angle she needs to pass through (160°) from the total rotation angle:
Total rotation angle = Angle already rotated + Angle Nuha needs to push + Additional angle Nuha needs to push
Based on this equation, we can eliminate options A, B, and C since they do not accurately represent the situation.
The correct equation is option D: 160 - 40 - a. This equation represents subtracting the angle already rotated (40°) and the angle Nuha needs to pass through (160°) from the total rotation angle, leaving the additional angle (a) that Nuha needs to push the door.
To learn more about the equation;
https://brainly.com/question/12788590
#SPJ4
The complete question:
Nuha is going through a revolving door that needs to rotate 160° to allow her to pass through. The wind pushed the door around 40°. Nuha needs to push it the rest of the way.
Which equation will tell us the measure of the additional angle, a, that Nuha needs to push the door before she can get out?
Choose 1 answer:
A: 160+40= a
B: 40 x 2 = a
C: 160 ÷ 40 = a
D: 160-40-a
Find the value of x in the triangle shown below.
HELP AS SOON AS POSSIBLE:)
Thx<3
A map uses a scale of 1 in. : 25 mi. If the distance between two cities on the map is 3.5, what is the actual distance between the cities?
Answer:
87.5 miles
Step-by-step explanation:
Determine the number of real solutions of the following system.
y = x2 + 3x − 2
y = 4x − 1
Answer:
2 real solutions
Step-by-step explanation:
[tex]y=x^2+3x-2[/tex]
[tex]y=4x-1[/tex]
[tex]x^2+3x-2=4x-1[/tex]
[tex]x^2-x-2=-1[/tex]
[tex]x^2-x-1=0[/tex]
[tex]x=\frac{1 +-\sqrt{1-4*1*(-1)} }{2}[/tex]
[tex]x=\frac{1+-\sqrt{5}}{2}[/tex]