Answer:
first answer:-1.75
second:-15.75
third:-40.25
Step-by-step explanation:i am too lazy srry
A line with a slope of 8 passes through the points (-1,1) and (0,k). What is the value of k?
Answer:
k = 9
Step-by-step explanation:
Calculate the slope m using the slope formula and equate to 8
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (- 1, 1) and (x₂, y₂ ) = (0, k)
m = [tex]\frac{k-1}{0+1}[/tex] = k - 1 = 8 ( add 1 to both sides )
k = 9
Find the irrational number between 0.3101 and 0.3333
Answer:
π/10
Step-by-step explanation:
Irrational Numbers
The irrational numbers are identified because, unlike rational numbers, they cannot be expressed as fractions, i.e., as the result of a division between two integers.
If a number is expressed with a limited number of decimals, it's always possible to write it as a rational.
For example, number 1.2319 can be written as 12319/10000.
Even if the number has an unlimited decimal expression, it could be expressed as rational if the decimal part is periodic. Number 2.33333... is rational because it's equivalent to the fraction 7/3.
We need to find an irrational number between 0.3101 and 0.3333.
Any number within the range with unlimited non-periodic decimals will do:
0.3189567363.... is a good example.
We'll choose the number
π/10 since π is a known irrational number and π/10=0.3141592... lies in the given interval.
Which equation describes the line with slope 5, that contains the point (-2, 4)?
a: y = 5x - 22
b: y = 5x - 2
c: y = 5x + 4
d: y = 5x + 14
Answer:
C
Step-by-step explanation:
Answer:
D.) y=5x+14
Step-by-step explanation:
point slope form: y-y1=m(x-x1)
y1=4, m=5, x1=-2
y-4=5(x+2)
distribute 5
y-4=5x+10
add 4 to both sides
y=5x+14
A boat leaves Astoria and travels upstream on the Columbia river for 5 hours. The return trip only takes 3.6 hours because the boat travels 4 miles per hour faster downstream due to the current. How far does the boat travel up the Columbia? Suppossed to solve as an in equality?
Answer:
10.285 miles
Step-by-step explanation:
Given that:
Upstream travel time = 5 hours
Return trip travel time = 3.6 hours
Let upstream travel speed = x mph
Downstream travel speed = x + 4 mph
Distance = speed * time
Upstream distance = x * 5 = 5x
Downstream distance = (x + 4) * 3.6
5x = (x + 4) * 3.6
5x = 3.6x + 14.4
5x - 3.6x = 14.4
1.4x = 14.4
x = 10.285714
x = 10.285 miles
What is the approximate area of the circle shown below
Answer:
154
Step-by-step explanation:
what is 45% of 40 in part, whole, and percent?
please help me PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!!
Answer:
2.1/3
3.7/11
Step-by-step explanation:
Answer:
(2) 1/3
(3) 7/11
HELP ME
screenshot down below !
Answer: A
Step-by-step explanation:
Use pythagorean thm to solve for the hypotenuse. so [tex]\sqrt{36+144}[/tex] is 13.4
What is the constant of proportionality?
Answer:
The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate.
Step-by-step explanation:
Here it is.
Constant of proportionality = 4
The sum of two integers is -129, if one of them is 150, find the order
Answer: -279
Step-by-step explanation:
-129-150= -279
to check
-279+150= -129
A person rents a moving truck for the day. There is an initial rental fee of $20 and an additional $0.25 every mile driven. Write the equation representing cost, C(m) as a function of the number of miles traveled, m.
C(m)=
Answer:
Step-by-step explanation:
cost is 20 fee + .25 per mile.
c =20+0.25m
please helpppp
ill mark you brainliest
Answer:
D.) y < -1/5x + 1
Step-by-step explanation:
I sense that you're in a rush, so I'll spare you the lecture, haha.. Just trust.
Complete the table below.
HeLPP ILL GIVE BRAINLIEST!
Answer:
see explanation
Step-by-step explanation:
Substitute the value of x into y = x² and y = [tex]2^{x}[/tex]
x = 1
y = 1² = 1 and y = [tex]2^{1}[/tex] = 2
x = 2
y = 2² = 4 and y = 2² = 4
Thus
x y = x² y = [tex]2^{x}[/tex]
-----------------------------
0 0 1
1 1 2
2 4 4
What is the answer to this?
16 > -f, if f = 15?
Answer:
16>-15
Step-by-step explanation:
16>-f, if f = 15 - given equation
f= 15, so subsitute 15 in -f. This gives us 16>-15 because, f = 15, and there was a minus making is negative.
Simplify r^6 • r^5 type your answer in the box
Answer:
r^11
Step-by-step explanation:
what is the rate of change?
Jose has $6 and saves $1 a day.
Answer:
The rate of change is 1$
Step-by-step explanation:
Jose is getting one dollar a day (the only thing in the equation that is changing)
An exponential function is a type of geometric sequence.
True or False
Answer: True
Step-by-step explanation:
Wendy and Mini earn $49 per week for delivering magazines. Wendy worked for x weeks and earned an additional total bonus of $18. Mini worked for y weeks. Which expression shows the total money, in dollars, that Wendy and Mini earned for delivering magazines
Answer:
(49x + 18) + 49y
Step-by-step explanation:
you woud place the variable (letter) representing the number of weeks they worked by the amount they get paid each week then, you would add to whoever gets an extra amount of money, the y - intercept or in this case the extra 18 dollars one of them gets paid to whoever got paid that amount of extra money. :)
Answer:
C( 49x + 18 + 49y)
Step-by-step explanation: I GOT 100% ON MY TEST
For every $9 invested in company A, $2 is invested in company B. Stacey quizzes her children, Krista and Kevin, about how much money she will invest in company A if she invests $24 in company B. Krista and Kevin used two different methods to arrive at the answer to Stacey's problem. Let's see who found the correct answer and how. You'll answer some questions along the way.
Answer:
$108
Step-by-step explanation:
From the above question, we have the proportion:
Company A/Company B
= $9/$2 = x/x24
The next step is : We Cross Multiply
2x = $24 × $9
x = $24 × $9/2
x = $108
Therefore, she will invest in $108 company A if she invests $24 in company B.
The length of a rectangle is twice its width. If the rectangle's perimeter is 200
inches, what are the length and width of the rectangle?
Step-by-step explanation:
set that width is x
and length become 2X
P = 2×( X+ 2X )
200 = 6 X
X=33. 3
width = 33.3 inch
length = 66. 6 inch
Solve for x -10 + x = -12
Answer:
=-1
Step-by-step explanation:
−
1
0
+
=
−
1
2
{\color{#c92786}{x}}-10+{\color{#c92786}{x}}=-12
x−10+x=−12
2
−
1
0
=
−
1
2
I WILL GIVE BRAINLIEST!!!
If –18 < –8, which of the following must be true?
–8 is to the right of 0 on a number line.
–18 is to the left of –8 on a number line.
–18 is to the right of –8 on a number line.
–18 is to the right of 0 on a number line.
if a/b=1 and a+b=10, then what does ab equal?
Answer:
5 and 5
Step-by-step explanation:
5 divided by 5 is 1
5 plus 5 is 10
no its nto rm what is 6667x2228 divided by 34394u9 and subtracted by 343 and then divided again by 2 and then subtract 333 and then multiply 439483
Answer:
vvvvvvvvvvvvvvvvvvvvvv is equal to 65654
Step-by-step explanation:
half
a number added
to the number gives 144
what is the number
Answer:
[tex]the \: number \: is \: 96[/tex]
Explanation:
[tex]let \: the \: number \: be \: = \: x [/tex]
[tex] \frac{x}{2} + x = 144[/tex]
[tex]2( \frac{x}{2} ) + 2(x) = 2(144)[/tex]
[tex]x + 2x = 288[/tex]
[tex]3x = 288[/tex]
[tex] \frac{3x}{3} = \frac{288}{3} [/tex]
[tex]x = 96[/tex]
I need help with this question 3 and 4
Answer:
Both Yes
Step-by-step explanation:
both have a 90 degree angle
A man runs the London marathon at an average speed of 8mph the route is 26 miles what was his time in hours and minutes
Answer:
the only thing you need to do is to divide the speed with the distance
What is the coefficient in the expression 5+ 9y5+9y5, plus, 9, y?
Answer:
Step-by-step explanation:
The coefficient is the number part.
Answer:
9
Step-by-step explanation:
Correct me if i'm wrong
1) f(x) = 5x^4+ 49x^2+ 36
Answer:
That's the simplest I could do, sorry
HELP ME FIND THE SLOPE
Answer:
[tex]m=\frac{-5}{2}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDASAlgebra I
Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Choose any 2 points from the chart.
Point (-6, 11)
Point (-2, 1)
Step 2: Find slope m
Substitute: [tex]m=\frac{1-11}{-2+6}[/tex]Subtract/Add: [tex]m=\frac{-10}{4}[/tex]Simplify: [tex]m=\frac{-5}{2}[/tex]