Answer: [tex]x=3.0206[/tex]
Step-by-step explanation:
Given
[tex]3(2^{2x}+3)-5(2^x+2)-156=0[/tex]
Replace [tex]2^x[/tex] by [tex]y[/tex]
We can write
[tex]\Rightarrow 3(y^2+3)-5(y+2)-156=0\\\Rightarrow 3y^2+9-5y-10-156=0\\\Rightarrow 3y^2-5y-157=0\\\\\Rightarrow y=\dfrac{5\pm \sqrt{25-4(3)(-157)}}{2\times 3}\\\\\Rightarrow y=\dfrac{5+43.69}{6}\\\\\Rightarrow y=8.115\\\Rightarrow 2^x=8.115\\\therefore \quad x=3.0206[/tex]
How many blocks having 2m² volume of each are there in a wall having volume 600m³?
9514 1404 393
Answer:
300 blocks
Step-by-step explanation:
The number of blocks is ...
(600 m³)/(2 m³/block) = 600/2 blocks = 300 blocks
Adding and subtracting unlike fractions in word problems
Ben is making waffles for his friends. the recipe calls for 2/3 cup of bleached flour and 1/4 cup of wheat flour. what is the total amount of flour Ben needs to make the waffles?
what operation is needed to solve this problem?
A) -
B) +
C) ÷
D) ×
Look at the two 2s in this number
Answer: What number?
Step-by-step explanation:
Answer:
In what number... is this a trick question or did you just not finish your question??
Step-by-step explanation:
easy algebra question below first correct answer gets brainliest
PLEASE ANSWER QUICK. I AM SO CONFUSED. HELP.
Answer:
Slope: 2
This is because it is going up two blocks within one block space.
Feel free to mark it as branliest :D
gradient = 2
Rise over Run = 5 / 2.5 = 2
Long division method of 47089. What’s the square root of 47089 in long division method? Do write it in simple way please.
Answer:
use math.way
Step-by-step explanation:
If A and B are supplementary angles and A is times as large as B, find the measures of A and B.
Carlitos purchased $13.90 of roasted almonds to make his own almond milk.He purchased 5 pounds of almonds.Assuming the cost per pound is the same,what was the cost per pound of the almonds?
Which other parts must be equal for triangle ABC= triangle MTR by
Answer:
see below
Step-by-step explanation:
ASA stands for Angle-side-Angle
thus, for ∆ABC[tex]\cong[/tex]∆MTR
[tex] \displaystyle \angle C \cong \angle R[/tex]
SAS stands for Side-angle-Side
thus,for ∆ABC[tex]\cong[/tex]∆MTR
[tex] \displaystyle \overline{ MR }\cong \overline{MT}[/tex]
likewise,
AAS stands for Angle-Angle-Side
thus,for ∆ABC[tex]\cong[/tex]∆MTR
[tex] \displaystyle \angle M \cong \angle T[/tex]
GIVING BRAINLIEST TO WHOEVER GETS IT RIGHT
What are the zeroes of f(x) = x2 − 2x − 3?
x = −3, 1
x = −3, −1
x = 3, 1
x = 3, −1
Answer:
x=3 x = -1
Step-by-step explanation:
f(x) = x^2 − 2x − 3
Set the function equal to zero
0 = x^2 − 2x − 3
Factor
What two numbers multiply to -3 and add to -2
-3 *1 = -3
-3+1 = -2
0 = (x-3)(x+1)
Using the zero product property
x-3 =0 x+1 =0
x=3 x = -1
find the value of x and y
Answer:
5 = y
6.5 = x
Step-by-step explanation:
Since all the angles are the same, you can determine that all the sides are the same lengths.
8 = y + 3
8 - 3 = y
5 = y
8 = 2x - 5
8 + 5 = 2x
13 = 2x
13/2 = x
6.5 = x
Answer:
2x - 5 = 8
+5 +5
2x = 13
Divide by 2 on both sides:
X = 6.5
Y + 3 = 8
-3 -3
Y = 5
They must equal 8 since all sides are the same.
Please show working out.........
Answer: Can you put a better picture this is blurry
Step-by-step explanation:
list power power set of a:{1,2}
Answer:
Number of elements in set = n(B) = 3 . Therefore, Number of elements in power set = 2^n(B) = 2^3 = 8 . Hope helped!
Step-by-step explanation:
What is the estimate of 35214
Answer:
4000
Step-by-step explanation:
Zoe the goat is tied by a rope to one corner of a 15 by 25 meter rectangular barn in the middle of a large, grassy field. Over what area of the field can Zoe graze if the rope is 10 meters
Answer: [tex]78.55\ m^2[/tex]
Step-by-step explanation:
Given
The goat is tied by a rope to one corner of a rectangular field with length of rope 10 m.
Zoe can graze in an area equal to quadrant of circle with radius 10 m
Area of grazing is
[tex]\Rightarrow \dfrac{1}{4}\times \pi r^2\\\\\Rightarrow \dfrac{\pi r^2}{4}\\\\\Rightarrow \dfrac{\pi \times 10^2}{4}=78.55\ m^2[/tex]
2) Escreva a expressão algébrica que representa cada uma das seguintes condições:
a) o triplo de um número y somado com um número x______________
b) a diferença entre o quadrado do número a e o dobro do número b___________
c) o quádruplo do número t aumentado da metade do número m____________
d) a diferença entre o produto o produto do número x pelo número y e o quadrado do número
a_________
rápido pfv gnt preciso entregar essa atividade hoje T-T
Answer:
a) 3y + x
b) a ^ 2 -2b
c) t ^ 4 + m / 2
d) xy - x ^ 2-y ^ 2
Step-by-step explanation:
a) o triplo de um número y adicionado a um número x ______ 3y + x ________
b) a diferença entre o quadrado do número a e o dobro do número b ______ a ^ 2 -2b _____
c) quadruplicar o número t aumentado pela metade o número m _______ t ^ 4 + m / 2 _____
d) a diferença entre o produto do produto do número x e o número y e o quadrado do número
The____xy - x ^ 2-y ^ 2 _____
NEED THIS IN TEN MINS HELP
NO LINKS OR YOU WILL BE REPORTED
Answer:
a = 34m²
Step-by-step explanation:
Rectangle
a = 3 * 6 = 18
Trapezoid
a = 4 * (2 + 6)/2 = 16
Combined
a = 18 + 16
a = 34
Rodger and Brandon set up a business to design and sell t-shirts. They sold 120 t-shirts for $1302. Their expenses were $1344. How much was the profit or loss per t-shirt?
Please help this is due in an hour or so and I really need help
Answer:
Loss of $.35
Step-by-step explanation:
Income per t-shirt = 1302/120 = 10.85
Expense per t-shirt = 1344/120 = 11.20
Loss per t-shirt = 11.20 - 10.85 = .35
i need the answer!!! please
Answer:
sinx = e/f
cosx = d/f
tanx = e/d
Step-by-step explanation:
soh cah toa
sin= opposite/hypotenuse
cos= adjacent/hypotenuse
tan= opposite/adjacent
Sonya worked as a dog walker for $9.30 per hour and worked 20 hours each week. Later that year she moved and had to get a new job. Her new job was washing dishes. She was paid $7.50 per hour working 40 hours each week. What is the difference in income per week between the dog walking and dishwashing jobs.? *
Answer:
She makes $114 more doing dishes.
Step-by-step explanation:
(9.30x20)-(7.50x20)
Subtract 14pqr − 2qrs + 10prs from 6pqr - 5qrs - 7prs
Help needed and quick!!!!!!
Answer:
- 8pqr - 3qrs - 17prs
Step-by-step explanation:
(6pqr - 5qrs - 7prs) - (14pqr − 2qrs + 10prs) = (6pqr - 14pqr) + (-5qrs - - 2qrs) + (-7prs - 10prs)
= - 8pqr - 3qrs - 17prs
1. Find the value of y when x = 3.
y = 3(x+7) + 12
1/6 and 3/8=? what is the answer
Answer:
4/24 + 9/24 = 13/24
Find a common denominator which would be 24 atleast.
A square pyramid with a side length of 6 inches has volume of 102 cubic inches. Find the height of the square pyramid.
Answer:
the height of a square pyramid is 139.3 cm
Pls help anyone plsss
3 times flipped, two sides fo a coin heads and tails, 2/3 meaning most likely
please help and show work
Answer:
Step-by-step explanation:
x=4
tangent lines from the same point to a circle are congruent in length, so we can say that
5x+8 = 8x-4
5x -5x +8 = 8x - 5x -4
8 = 3x - 4
8+4 = 3x -4 + 4
3x = 12
3x/3 = 12/3
x=4
Skyler has 20 comic books about the Avengers. He goes to the comic book
store and after he leaves, he now has 26 Avengers comics. What is Chris'
percent increase in Avenger comics? *
Answer:
6%
Step-by-step explanation:
What is the value of x?
56
89
360
104
If the three angles in a figure having four sides are 124°,76°,71° then the value of x is 89°.
Given the measure of three angles 124°,76°,71°.
We are required to find the value of x which is an angle of a quadrilateral.
Quadrilateral is a figure or shape that is having four sides and four angles.
We know that the sum of all four angles of a quadrilateral is 360°.
So the following expression will appear from the above rule:
x+124+76+71=360
Now solve the aove expression for the value of x.
x+271=360
x=360-271
x=89
Hence if the three angles in a figure having four sides are 124°,76°,71° then the value of x is 89°.
Learn more about angles at https://brainly.com/question/25716982
#SPJ1
What is the approximate volume of the cylinder? Use
for 22/ 7. Round to the nearest whole number.
Answer:
3rd one
Step-by-step explanation:
Which expression is equivalent to (x^1/2y^-1/4z)^-2
Answer:
[tex]\sqrt{y}[/tex] ÷ xz²
Step-by-step explanation:
multiply the exponent of 'x' by -2 to get -1
multiply the exponent of 'y' by -2 to get 1/2
multiply the exponent of 'z' by -2 to get -2
= (x^-1)(y^1/2)(z^-2)
= 1/x · [tex]\sqrt{y}[/tex] · 1/z²
= [tex]\sqrt{y}[/tex] / xz²