Answer:
2.3+5.1-7x-3x
7.4-10x
Please help due in 5 minutes
Answer:
the first one belongs to 1 and the second one belongs to 2
Step-by-step explanation:
5x−4y=34
−x+8y=22
elimination
Answer:
The solution to the system of equations is:
[tex]x=10,\:y=4[/tex]
Step-by-step explanation:
Given the system of equations
[tex]\begin{bmatrix}5x-4y=34\\ -x+8y=22\end{bmatrix}[/tex]
Multiply -x+8y=22 by 5: -5x+40y=110
[tex]\begin{bmatrix}5x-4y=34\\ -5x+40y=110\end{bmatrix}[/tex]
so adding the equations
[tex]-5x+40y=110[/tex]
[tex]+[/tex]
[tex]\underline{5x-4y=34}[/tex]
[tex]36y=144[/tex]
solve 36y = 144 for y:
[tex]36y=144[/tex]
divide both sides by 36
[tex]\frac{36y}{36}=\frac{144}{36}[/tex]
Simplify
[tex]y=4[/tex]
For 5x-4y=34 plug in y=4
[tex]5x-4\cdot \:4=34[/tex]
[tex]5x-16=34[/tex]
Add 16 to both sides
[tex]5x-16+16=34+16[/tex]
Simplify
[tex]5x=50[/tex]
Divide both sides by 5
[tex]\frac{5x}{5}=\frac{50}{5}[/tex]
Simplify
[tex]x=10[/tex]
Therefore, the solution to the system of equations is:
[tex]x=10,\:y=4[/tex]
What is the decimal form of 45/129
Answer:
0.348837
Step-by-step explanation:
HELP ASAP!!! Due at 11:59
114 points on the coordinate plane below which point would lie on both the X axis and the Y axis?
Answer:
(0, 0 )
Step-by-step explanation:
The point at the origin, where the x and y axes meet is on both
The coordinates of the origin are (0, 0 )
Divide these fractions
2/3 = 3/4
Answer:
8/9
Step-by-step explanation:
I'm pretty sure after you make it a reciprocal you multiply it
Hi I'm looking to solve this question for my work but I'm super stuck and I need help asap. Thsnks
6w = 4w + 9
Find the value of x.
110°
X + 116
Judy calls in a to-go order at the local pizzeria. She orders pizza for $1.75
per slice and a soda for $2.50.
Answer:
i think you want the total. it is $4.15
Step-by-step explanation:
I need this really fast in like 2 min
2 + 5x – 3 – 2 + 4x = 15
Answer: x=2
Step-by-step explanation:
Eric is told by his doctor that he needs to lose 15 pounds. If Eric now weights 285 pounds,then by what percentage should Eric weight decrease?
Answer:
5.26%
Step-by-step explanation:
15/285=x/100. 15 is the amount of weight he wants to lose. x=5.26%
600×4 what is it hhhhhhhhhhhh
Answer:
2400
Step-by-step explanation:
Determine the resulting polynomial:
f(x) = x + 10
g(x) = -22 – 2x – 4
Find: f(x) g(x)
Answer:
-x³-12x²-24x-40
Step-by-step explanation:
f(x)=(x+10)
g(x)=-x²-2x-4
f(x)*g(x)=(x+10)(-x²-2x-4)
x(-x²)+x(-2x)+x(-4)+10(-x²)+10(-2x)+10(-4)
-x³-2x²-4x-10x²-20x-40
-x³-12x²-24x-40
A hot air balloon holds 2,200 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilograms of helium does the balloon contain, rounded to the nearest tenth of a kilogram?
Answer:
392.7
To get the answer multiply Density * Volume
Mass = 0.1785 * 2200
Mass = 392.7
The mass of the helium with a density of 0.1785 kilograms per cubic meter and volume of 2,200 cubic meters is 392.7 kg
What is density?
The density of a substance is its mass per unit volume. It can be represented mathematically as follows:
density = mass / volume
Therefore,
mass of the helium = ?
density of the helium = 0.1785 kilograms per cubic meter
volume of helium = 2,200 cubic meters
Therefore,
mass = density × volume
mass = 0.1785 × 2200
mass = 392.7 kg
learn more on density here: https://brainly.com/question/4504994
#SPJ2
Can anyone help me with this please
Answer:
no linear function hope this helped
f(x) = 5x^3 – 4x - 12
Answer: -12
Step-by-step explanation:
Can someone help me ?
Answer:
Step-by-step explanation:
Given
let the unknown angle be x then,
with reference angle x
perpendicular(p) = 3
base(b)= 9
now
tan x = p/b
tan x = 3 / 9
tan x = 1 / 3
x = tan ^-1( 1/3)
x = 18.43°
hope it will help u :)
Five less than three times the length L.
If a item goes from 1.50 to 2.20 what's the percent increase
a) If f(x) = 3x - 2, find f(x)
b) Find f(13)
Can anyone help me with this question please.
I just need help solving for A
Answer:
115
Step-by-step explanation:
Simplifying Radicals pls help with full calc
Answer:
√98=√2×7×7=7√2
√16b^5=√4×4×b×b×b×b×b=4b²√b
√26x2=√13×2×2=2√13
hope it helps.
last question for the day
Answer:
a
Step-by-step explanation:
5 In a group of 80 animals, 32 are dogs. Dogs make up
what percent of the animals in the group?
Answer:
dogs=32
total animal=80
dogs percent=dogs/total animal×100%=32/80×100%=40%
Answer: dogs=32
total animal=80
dogs percent=dogs/total animal×100%=32/80×100%=40%
Step-by-step explanation:
What is the equation of the line that passes through the point (-2, 7) and has a slope of zero? A.x = 7 B.y = -2 C.x = -2 D.y = 7
Answer:
A X=7
Step-by-step explanation:
no slope so it is a horizontal line
Type the missing number in this sequence:
1, 2, 5, 10, , 26, 37, 50
Find the greatest common factor (GCF) for each pair of numbers.
9 and 33
Answer:
3
Step-by-step explanation:
Write the factors for each term
9 = 1,3,9
33 = 1,3,11,33
The greatest common factor is 3
There are 8 cookies in each box. Rhyan ate 6 from her box and Juan ate 4 from his box. How many boxes of cookies did they eat altogether?
WHO's BIRTHDAY was on 24 January?
my bday was yesterday
mentors can u please not remove this because i want this to be here and I WILL be VERy HApy
happy belated birthday!