Answer:
x = 14
Step-by-step explanation:
Step 1:
- 1/2x = - 7 Equation
Step 2:
x = - 7 ÷ - 1/2 Divide 1/2 on both sides
Step 3:
x = - 7 × - 2 Flip the Fraction
Answer:
x = 14 Multiply
Hope This Helps :)
Solve for the missing variable, PLEASE HELP! I know its a lot- I Will give brainiest for ALL correct answers!!!
Solve for missing variable:
-3x +9= -18
2x -14 = -9
x/2 +8 = -24
-2.5x -10 = 40
-6x -10 = 20
50= 2x + 12
x/2 - 7 = -10
THANK YOU ALL! <3 (´▽`ʃ♡ƪ)
Answer:
x=2.5 for the second question!
x= -8.3 repeating for the 5th question
Step-by-step explanation:
Answer:
1. x = 9
2. x = 5/2
3. x = -64
4. x = -20
5. x = -5
6. x = 19
7. x = -6
Step-by-step explanation:
1.
-3x + 9 = -18
-3x = -27
x = 9
2.
2x - 14 = -9
2x = 5
x = 5/2
3.
x/2 + 8 = -24
x/2 = -32
x = -64
4.
-2.5x - 10 = 40
-2.5x = 50
x = -20
5.
-6x - 10 = 20
-6x = 30
x = -5
6.
50 = 2x + 12
38 = 2x
19 = x
x = 19
7.
x/2 - 7 = -10
x/2 = -3
x = -6
Lana is deciding whether to buy a pool pass for the summer. A pass costs $36.00 and
$1.00 for admission each day. Without a pass, the cost is $5.00 per day. Use the
system of equations below to find the number of days, d, Lana will need to go to the
pool for the cost, c, to be the same with and without a pass.
Answer:
9 days
Step-by-step explanation:
Can someone please help me I have been stuck what one
Answer:
The inequality matches the graph is 2n + 5 ≤ 7 ⇒ A
Step-by-step explanation:
Let us solve the question
From the given graph
∵ The arrow starts from 1 and pointed to the left (negative part)
∵ The starting point of the arrow is bold
∴ The sign of the inequality is ≤ (smaller than or equal)
→ That means the solution of the inequality is all the numbers ≤ 1
∴ The solution of the inequality is n ≤ 1
→ Look at the choices and find which one has the sign ≤ and check if
it will give the same solution or not
∵ The inequality is 2n + 5 ≤ 7
→ Subtract 5 from both sides
∴ 2n + 5 - 5 ≤ 7 - 5
∴ 2n ≤ 2
→ Divide both sides by 2
∴ n ≤ 1
∵ The inequality gives the same solution of the given graph
∴ The inequality matches the graph is 2n + 5 ≤ 7
Randy and Jake each have a collection of soccer
trophies, Jake has 13 fewer than twice as many
soccer trophies as Randy. When they combine
their collections, there are 35 trophies in all. How
many soccer trophies are in Jake's collection?
A. 11
B. 16
C. 19
D. 24
Answer:
Answer is 19 trust me
Step-by-step explanation:
The sum of two numbers is 17 and the difference is 5
help please? don't put anything If you don't know the answer or else ill report
Answer:
d. (-3,-1)
Step-by-step explanation:
You throw a ball into the air from a height of 5.5 feet with an
initial vertical velocity of 40 feet per second. Use the vertical
motion model, h = -16t2 + vt +s, where v is the initial
velocity in feet per second and s is the height in feet, to
calculate the maximum height of the ball. Round your answer
to the nearest tenth if necessary.
Maximum height: feet
Answer:
30.5 feet
Step-by-step explanation:
in an examination 40% students passed in math only, 30% passed in Science only, and 10% students failed in both the subjects .if 400 students passed in Science find the total number of students by drawing a Venn diagram.
Answer:
40% of the student is 160
30% of the students is 120
10% of the students is 40
the remain is ___
160 + 120 + 40= 320
400 -320 = 80
meaning 160 students passes only math (40%). 120 students passed on science (30%). 40 students fail both subjects (10%) and 80 students passes both subjects (20%)
the answer to the question.
Answer:
answer attached in pic ture
Answer:
1/16
Step-by-step explanation:
it is the same as
[tex]\frac{1}{8^\frac{4}{3}} = \frac{1}{ {(\sqrt[3]{8})}^4} = \frac{1}{2^4} = \frac{1}{16}[/tex]
Hyan has saved $300 more than two-thirds of the cost of the down
payment on a car. If he has $1240 saved, how much is the down payment?
algebra problem
Answer:
$1410
Step-by-step explanation:
Hyan has $1240 saved, which is equal to 2/3 of the down-payment, plus an additional $300
$1240-$300= $940
$940 is equal to 2/3 of the payment, in other words, it's two 1/3 payments, so we can split $940 into two to see how much is equal to 1/3 of the payment.
$940/2= $470 = 1/3
Three 1/3 equal 1 whole so we multiply $470 by 3 to find the amount of the whole payment
$470x3= $1410
simplify
plzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
I think it's 12 a⁹ b⁷ correct me if I'm wrong
Answer:
4a3b2×3a6b5
=12a9b7
i need help asappppp
Answer:
∠1 = 40
Step-by-step explanation:
So due to the alternate interior angles theorem, angle 1 and angle 2 equal each other so:
2x + 20 = 3x + 10
subtract 2x from both sides
20 = x + 10
subtract 10 from both sides
10 = x
Now input 10 into the equation
2(10) + 20
20 + 20
40
Which proportion could be used to find the length of side b?
6
720
859
A
6.2
Answer: Choice C) [tex]\frac{\sin(23)}{6.2} = \frac{\sin(85)}{b}[/tex]
=========================================================
Explanation:
The angle opposite side b is 85 degrees. So we'll involve either the fraction [tex]\frac{\sin(85)}{b}[/tex] or [tex]\frac{b}{\sin(85)}[/tex]. In this case, we will use the first fraction. This is due to all of the answer choices having sine on top.
The other fraction must have sine on top as well.
The known side is AB = 6.2; the opposite angle is C = 23 which you find by solving A+B+C = 180 and plugging in A = 72 and B = 85.
So the other fraction we'll use is [tex]\frac{\sin(23)}{6.2}[/tex]
Overall, the proportion we can set up is
[tex]\frac{\sin(23)}{6.2} = \frac{\sin(85)}{b}[/tex]
which points to choice C as the final answer.
Write the equation that represents the line shown.
Answer:
[tex]y = - x + 2[/tex]
Step-by-step explanation:
[tex]y = mx + b[/tex]
[tex]y = \frac{ - 2}{2} x + 2[/tex]
[tex]y = - x + 2[/tex]
two right triangles that are not similar can still have a pair of congruent acute angles.
A. True
B. False
Answer:False.
Step-by-step explanation:Any two right triangles, similar or not, must have one pair of congruent angles, the right angles. If one pair of acute angles angles is congruent, then by AA Similarity, the triangles are similar.
Help pls! will give brainliest!
what is a 11 percent markup of $18
Answer:
$16.02
Step-by-step explanation:
Answer:
$20.22
Step-by-step explanation:
i am in middle school
Answer:
1st one
Step-by-step explanation:
Graph the function f(x)=−14x−2.
Use the line tool and select two points to graph.
Answer:
You should do this on your own but if you consider the way I graph it, the slope should be going downwards and in the middle of the graph, the y-intercept should be two units down. Each unit for the x line should be 14 units apart as stated in the function.
Step-by-step explanation:
Hopefully this helps ^^
Answer:
F
(
x
)
=
−
7
x
2
−
2
x
+
C
Step-by-step explanation:
Pls help will give brainiest
Answer:
0.75
Step-by-step explanation:
please help!! I'm confused
Suppose that point R is the center of a circle that is circumscribed about an equilateral Triangle ABC,and points M,P,and Q are midpoints of the sides of ABC. Part A: Prove that RM=RP=RQ
Answer:
Solution in image
Step-by-step explanation:
Need help pleaseeeee:)
Answer:
75 + 64 = 139
Step-by-step explanation:
The measure of the exterior angle is 139
Answer:
2= 139
Step-by-step explanation:
A triangle is 180 degrees.
64+75= 139
180-139=41
A line is also 180 degrees
180- 41= 139
If Roger ran 5 miles in 150 minutes, Ryan ran 10 miles in 300 miles, and Rick ran 5 miles in 2 and ½ hours, who had the best rate of running(fastest time)?
Answer:
All three have same rate of running.
Step-by-step explanation:
Given that:
Distance covered by Roger = 150 minutes
Time taken by Roger = 5 miles
Distance covered by Ryan = 300 minutes
Time taken by Ryan = 10 miles
Distance covered by Rick = 2[tex]\frac{1}{2}[/tex] hours
Time taken by Rick = 2 miles
To find:
Who has the fastest rate of running?
Solution:
First of all, we need to convert the time in hours and then we need to apply the formula for relation between Speed, time and distance.
Then we can compare the Speed.
60 minutes = 1 hour
150 minutes = [tex]\frac{1}{60} \times 150 = 2.5\ hours[/tex]
300 minutes = 5 hours
Formula for Speed:
[tex]Speed = \dfrac{Distance}{Time}[/tex]
Rate of running (speed) of Roger = [tex]\frac{5}{2.5}[/tex] = 2 miles/hr
Rate of running (speed) of Ryan = [tex]\frac{10}{5}[/tex] = 2 miles/hr
Rate of running (speed) of Rick = [tex]\frac{5}{2.5}[/tex] = 2 miles/hr
Therefore, All three have same rate of running.
what is 1x+3y=18 in slope intercept form
Answer:
y = -x/3 + 6
General Formulas and Concepts:
Pre-Algebra
Equality PropertiesAlgebra I
Standard Form: Ax + By = C
Slope-Intercept Form: y = mx + b
m - slope b - y-interceptStep-by-step explanation:
Step 1: Define
Standard Form: x + 3y = 18
Step 2: Rewrite
Find slope-intercept form
Subtract x on both sides: 3y = -x + 18Divide 3 on both sides: y = -x/3 + 6Answer:
y=-3x+6
Step-by-step explanation:
slope int. form is y=mx+b
want to get y by itself, so subtract 1x
so you are left with 3y=-1x+18
then divide 3
left with y=-1/3x+6
simplified is y=-3x+6
What percent is represented by the shaded area?
The tape diagram below represents 100%, percent.
Help me I need this quick
Answer:
I think 3,9, and 15
Step-by-step explanation:
What is the dum of the next two numbers in the pattern 169,120,84,59,43,_,_
Answer:
*sum
Step-by-step explanation:
i am not sure. But I just wanted to correct it for someone else
Pls help solve this question
Interpretation of axes and scales:
The horizontal axis (x-axis): There is time in seconds on the horizontal axis
Scale: 1 unit in the x-axis = 1 second
The vertical axis (y-axis): There is the distance in feet which is the height of the elevator from the ground on the horizontal axis
Scale: 1 unit in the y-axis = 20 feet
Interpretation of the origin:
The coordinate is represented by the point (0,0) in the graph. This means at time = 0 the height of the elevator =0, i.e the elevator is on the ground at the starting time.
Solve the equation. 15 = 2w – 5
Answer:
hope my answer is helpful to you
plz mark me as brainlist and also follow me
Answer:
w=10
Step-by-step explanation:
you would first add 5 on both sides. Then you would get 20=2w then you would divide 2 by both sides. w=10
its all in the picture
Answer:
6
Step-by-step explanation:
..............................
Answer:
f(- 3) = 6
Step-by-step explanation:
f(- 3) means what is the value of f(x) when x = - 3
Locate x = - 3 on the x- axis
Then go vertically up to meet the graph at (- 3, 6 )
The value of f(- 3) is therefore 6, that is
f(- 3) = 6