Answer:
.20(7) ≤ x .20(8)
Step-by-step explanation:
let 'x' = amount of time in REM sleep
Answer:
1.4[tex]\leq[/tex] x [tex]\leq[/tex] 1.6
Step-by-step explanation:
You can start off by writing the inequality that 7(.20) is less than/equal to x which is less than/equal to 8(.20). Then, you just multiply the numbers and you have the 20% that you spend in REM sleep.
Hope this helps!
Can someone help this is due tomorrow!!
Answer:
angle 1 = 100 degrees
angle 2 = 53 degrees
Step-by-step explanation:
diagonals of a rhombus bisect angles so angles 2 and 3 are both 53
angle 1 can be found by adding 37 and 53 and deducting that sum from 180
Does the graph represent function?
Answer:
no
Step-by-step explanation:
Can anyone help me answer this question?
Answer:
Vertex - (2,1)
minimum
Step-by-step explanation:
minimum y≥1
What is the solution to the system of equations graphed below?
Answer:
a) (2,4)
Step-by-step explanation:
it's where the points meet
What does X = In question 2
Answer:
10
Step-by-step explanation:
10/5=2/1 or 2
4+2=6
15 POINTS!!!!!NEED HELP ASAP!!!!
Answer:
You answer should be B) Distinct parallel lines.
Sorry if Im wrong
Step-by-step explanation:
Paige plans to go to the fair with three of her
friends. She needs to earn at least $60 to
attend the fair. If Paige earns $7.50 per hour
babysitting, how many hours will she need to
work in order to have enough money to go to
the fair with her friends?
Answer:
how many hours will she need to work in order to have enough money to go to the fair with her friends? $60/$7.5/h = 8h
Step-by-step explanation:
Answer:
8 hours
Step-by-step explanation:
60=7.50x
60 will represent how much money she needs to earn.
x= number of hours Paige needs to work
[tex]\frac{60}{7.50} =\frac{7.50x}{7.50}[/tex]
[tex]x=8[/tex]
Paige needs to work 8 hours in order to have enough money to go to the fair with her friends.
Todd takes 3 hours to weed the garden. Sophie takes 3.5 hours to weed the garden. How long would they take to weed the garden working together?
Answer:
I think the answer would be 6.5
Answer:
6.5
Step-by-step explanation:
Nicholas has some cans at home to donate to the soup kitchen, but he decides to start a can drive at his school to see if other students will help. The table represents the number of cans donated, y, which is dependent on the number of days cans are collected, x.
A 2-column table with 3 rows. Column 1 is labeled x with entries 4, 7, 10. Column 2 is labeled y with entries 955, 1660, 2365.
Find the linear equation that represents the scenario.
Answer:
y = 235x + 15
Step-by-step explanation:
Equation of a Line
The equation of the line in slope-intercept form is:
y=mx+b
Where:
m = slope
b = y-intercept.
The point-slope form of the equation of a line is:
y - k = m ( x - h )
Where m is the slope and (h,k) is a point through which the line passes.
We are given 3 points and we must provide the equation of the line that passes through them all in slope-intercept form.
Selecting the points (4,955) and (7,1660) we can calculate the slope of the line by using the formula:
[tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]\displaystyle m=\frac{1660-955}{7-4}=\frac{705}{3}=235[/tex]
Now we use the point-slope equation with the first point (4,955):
y - 955 = 235 ( x - 4 )
Operating:
y - 955 = 235x - 940
y = 235x - 940 + 955
y = 235x + 15
The third point (10,2365) should pass through this line. To verify, substitute:
2365 = 235(10) + 15 = 2350 + 15= 2365
Since the identity is true, the equation is correct:
Answer:
y = 235x + 15
Answer:
A
Step-by-step explanation:
The slope is -1 and the y-intercept is -5. Write a linear equation in slope-intercept form.
Someone pls help me!
[tex]y = mx + b[/tex]
where m = slope and b = y-intercept.
We have both given slope and y-intercept. We can simply substitute the given slope and y-intercept in slope-intercept form.
SubstitutionSubstitute m = -1 and b = - 5 in the equation.
[tex]y = - 1x - 5 \\ y = - x - 5[/tex]
We don't usually write 1x or -1x instead we write -x or x.
Answer[tex]y = - x - 5[/tex]
Help me out...
✨p l e a s e✨
In a right triangle, the length of one leg is 4 units. The length of the other leg is 5 units. What is the length of the hypotenuse?
A.) 3 Units
B.) [tex]\sqrt18[/tex] units
C.) [tex]\sqrt20[/tex] units
D.) [tex]\sqrt41[/tex] units
Answer:
D
Step-by-step explanation:
a^2+b^2=c^2
16+25=41
What type of triangle is this
Answer:
isosceles
Step-by-step explanation:
Answer:
An isosceles
please help I don't know what it is
Answer:
2. is the correct one
Step-by-step explanation:
4x-3x^3+2
Answer:
-x^3-4x-2
step by step
i need help on this plz
a. b. c. d. ???
Answer:
I'm pretty sure the answer is B
i got my question as 4r-2r=5-3r, how do i solve this
Answer:
well if ur looking for r, then r=1 hope dis helps
Step-by-step explanation:
4r-2r=5-3r
combine like turms
2r=5-3r
+3r +3r
5r=5
/5 /5 5/5=1
R=1
think about brinlist thank you
Solve the following compound inequality
Answer:
i believe your answer is correct
Step-by-step explanation:
You can rent a car via two options. Option A charges $20 per day plus $0.10 per mile. Option B charges $0 per day, but $0.50 per mile. How many miles must you drive in one day for option A to be cheaper?
Answer:
50 miles
Step-by-step explanation:
Step one
given data
let the total charge be y and the number of miles be x
Option A charges $20 per day
plus $0.10 per mile.
y= 20+0.1x---------------1
Option B charges $0 per day,
but $0.50 per mile
y= 0.5x---------------2
equate 1 and 2 we have
20+0.1x=0.5x
20=0.5x-0.1x
20=0.4x
divide both sides by 0.4
x= 20/0.4
x=50 miles
If you could just tell me the coordinates that would be great thanks
Answer:
A: (2,5)
B: (4,8)
C: (8,6)
A rectangular dog cage has a length of 4 1/2 feet and a width of 3 3/7 feet. What is the area of the cage?
(Help please)
Step-by-step explanation:
Area of rectangle =height×base
4 1/2×3 3/7=9/2×24/7=216/14=15 6/14=15 3/7
write each fraction or mixed number as a repeating decimal. look up at the pictures!!
Answer:
-0.123
Step-by-step explanation:
...............
GKHCFJXDGHZSR OMH PLS ANSWER QUICK I GIVE BRAINLIEST
Answer: [tex]4 \frac{4}{9}[/tex]
Step-by-step explanation:
can someone help me with this
Which fractions are equivalent to 40%? Check all that apply
Answer:
b, c, d & e is the answer
Step-by-step explanation:
Please Give Brainliest4. Write the equation of line that is perpendicular to y= -1/3x + 7 and has a y intercept of -1.
1
Answer:
y = 3x - 1Step-by-step explanation:
Two lines are perpendicular if the product of theirs slopes is equal -1:
y=m₁x+b₁ ⊥ y=m₂x+b₂ ⇒ m₁×m₂ = -1
y = -1/3x + 7 ⇒ m₁=-1/3
-1/3×m₂ = -1 ⇒ m₂ = 3
The y-intercept is b=-1 so the equation in slope-intercept form:
y = 3x - 1
Please help (;´༎ຶٹ༎ຶ`)
Solve the following inequality for s. Write your answer in simplest form.
8s + 3 < 9s +1
Answer:
s could be 3
Step-by-step explanation:
I really need help for this geometry question, I would appreciate any help thank you.
Answer:
x = 30.96
Step-by-step explanation:
tan θ = opposite / adjacent
tan θ = 12/20
tan θ = 0.6
[tex]tan^{-1}[/tex](0.6) = 30.96
given g(x) = 1/x+2 and h(x) = 3x
check all restrictions on the domain of gh
Answer:
Step-by-step explanation:
C
find the slope of the line which is perpendicular to the line 7 x + 11 Y - 2=0
Answer:
[tex]\huge\boxed{slope=-\dfrac{7}{11}}[/tex]
Step-by-step explanation:
METHOD 1The slope-intercept form of an equation of a line:
[tex]y=mx+b[/tex]
[tex]m[/tex] - slope
[tex]b[/tex] - y-intercept
We have the equation in the general form [tex](Ax+By+C=0)[/tex].
Convert to the slope-intercept form:
[tex]7x+11y-2=0[/tex] subtract 7x from both sides
[tex]11y-2=-7x[/tex] add 2 to both sides
[tex]11y=-7x+2[/tex] divide both sides by 11
[tex]y=-\dfrac{7}{11}x+\dfrac{2}{11}[/tex]
METHOD 2The general form of an equation of a line:
[tex]Ax+By+C=0[/tex]
The slope:
[tex]m=\dfrac{-A}{B}[/tex]
We have
[tex]7x+11y-2=0\\\\A=7;\ B=11;\ C=-2[/tex]
Substitute:
[tex]m=\dfrac{-7}{11}=-\dfrac{7}{11}[/tex]
d ÷ 3 = 138
what is d
Answer:
D equals 414
Step-by-step explanation:
414 is correct because to check do 414 divided by 3 to equal 138
MARK ME AS BRANLIEST
Answer:
its 414 because if you multiply 138 and 3 you get 414 then if you divide 414 and 3 you get 138
Step-by-step explanation:
Subtract.
Your answer should be a polynomial in standard form.
(-5m2 – 8) - (-3m² + m +2)
Answer: -2m2 -m - 10
Step-by-step explanation:
(-5m2 - 8) - (-3m2 + m + 2)
Everything is behind the (-) when you have a parenthesis chang the sign so and let the () so will be
-5m2-8 +3m2 - m -2
Now you are going to add or subtract numbers for the one the same letter ( base) and for the one that don't have a other letter (base) you will let it like this so will be
-5m2 + 3m2 = -2m2
-8 -2 = -10
-2m2 - m - 10
Hope helps