How can we create equations in two variables to represent relationships between quantities
Answer:
Create equations in two or more variables to represent relationships between quantities (linear functions) Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.
Step-by-step explanation:
Sam has started mowing lawns to save money for a new bike that costs $190. He charges $20 per hour for mowing lawns, and $35 per hour for gardening. However, he has to pay his dad $120 for the use of his lawnmower. Which of the following equations could be used to find the number of hours Sam has to work to buy his bike if m represents the number of hours he mows lawns, and g represents the number of hours he spends gardening? Group of answer choices
Answer:
310 = 20m + 35gStep-by-step explanation:
As per give we have
Earning = 20m + 35gSpending =$120Target amount = $190The equation to consider all is
190 = 20m + 35g - 120 ⇒ 310 = 20m + 35gSo correct option is the second one
Answer:
310=20m+35g
Step-by-step explanation:
i just took the test and got it right.
based only on the given information, it is guaranteed that ac is congruent to bc. true or false?
Answer:
True. SAS or ASA. It shows that AD and BD are congruent and the triangles also share two sides and two angles.
Step-by-step explanation:
You have a 20% off coupon to use at the store. Your total was $80 before the discount. H
ow much do you need to pay?
A) $16.
B) $60.
C) $64.
D) $100
Answer:
C) $64
Step-by-step explanation:
(80 x 20)/100 = $16.00
Final Price:
80 - 16.00 = $64.00
Mr. Desario wrote the equation y = −3x + 7 on the board and drew the graph shown below.
Answer:
ok what do you want help with?
Step-by-step explanation:
John gets 1 question incorrect for every 15 questions. How many questions will he get correct & incorrect if he had to answer 25 questions?
Answer:
2
Step-by-step explanation:
15+15 is 25 and for every 15 questions he gets 1 wrong so he got 2 wrong
John will fail.
John will fail.
John will fail.
John will fail.
John will fail.
John will fail.
John will fail.
John will fail.
John will fail.
Find the volume of a pyramid with a square base, where the side length of the base is 4.8\text{ cm}4.8 cm and the height of the pyramid is 4.6\text{ cm}4.6 cm
Answer: 35.328 cubic inches.
Step-by-step explanation:
Volume of square pyramid = [tex]\dfrac{a^2}{3}h[/tex] , where a = length of base , h = height
Given: For a square pyramid
a= 4.8 cm and h = 4.6
Then, Volume = [tex]\dfrac{4.8^2}{3}\times4.6[/tex]
[tex]=\dfrac{23.04}{3}\times4.6\\\\=35.328\text{ cubic cm}[/tex]
Hence, the volume of a pyramid with a square base = 35.328 cubic inches.
Answer:
50.8
Step-by-step explanation:
PLEASE HELP LINEAR EQUATIONS!!
3(2x-5)=-15
Answer:
x=0
Step-by-step explanation:
Divide both sides by the numeric factor on the left side, then solve.
3(2x−5)=−15
Step 1: Simplify both sides of the equation.
3(2x−5)=−15
(3)(2x)+(3)(−5)=−15(Distribute)
6x+−15=−15
6x−15=−15
Step 2: Add 15 to both sides.
6x−15+15=−15+15
6x=0
Step 3: Divide both sides by 6.
6x/6 = 0/6
x=0
Hope this helps :)
Answer:
2x-5= -3x times(x) 3 is -9
Step-by-step explanation:
PEMDAS
Which situation represents a proportional function? A. Melissa's cell phone plan charges two cents a minute plus a $10 monthly fee. B. Sandra's cell phone plan charges seven cents a minute. C. Holly's cell phone plan charges five cents per minute. She also receives a $5 discount each month. D. Alicia's cell phone plan charges six cents per minute plus a $5 monthly fee.
Step by step explanation
let x be the number of minutes and y be the total charges per month
A. Melissa's cell phone plan charges two cents a minute plus a $10 monthly fee.
y=0.02x+10
B. Sandra's cell phone plan charges seven cents a minute.
y=0.07x
C. Holly's cell phone plan charges five cents per minute. She also receives a $5 discount each month.
y=0.05x-5
D. Alicia's cell phone plan charges six cents per minute plus a $5 monthly fee.
y=0.06x+5
who walks at a faster rate: someone who walks 60ft in 10sec or someone who walks 42ft in 6sec
Answer:
42 ft in 6 seconds
Step-by-step explanation:
The person whom walks a greater distance in lees time is faster
Pls help me answer this quick!!
Answer:
line 1 and 2 I think sorry if I'm wrong
If water flows through a pipe at a rate of 6 milliliters per hour, how wil I express this rate of flow in pints per day?
Answer:
0.304 pints per day
Step-by-step explanation:
Here, we want convert
if 6 milliliters flow in an hour , then in a day which is 24 hours, the amount that will flow is 24 * 6 = 144 milliliters in a day
so we need to convert this to pint
mathematically;
1 pints= 473.176 ml
x pints = 144 ml
x =
144/473.16 = 0.304 pints per day
Helpp pls it’s 25 points each
Answer:
1.= 2.5
2.= is incorrect because there should not be more than one = sign
Step-by-step explanation:
HELP ME PLEASE 40 POINTS
Answer: abd=50
Step-by-step explanation: bc angel 3 is 80 that means angel 2 is one hundred and abc is the same as angel tow because the two lines are so ABC is 100 and line segment BC is bisecting ABC so you divide ABC by two and get 50
PLZZZ HELPP ITSS A EXAMMM
What is the fiftieth term of the arithmetic sequence 3, 7, 11, 15, ... ?
A.199
B.151
C.53
D.203
Answer:
If i did the math correctly it should be 199.
Determine the slope of the line that passes through the points M(-3,5) and N(1,8). Represent the slope in decimal form.
Answer:
0.75
Step-by-step explanation:
y²-y¹/x²-x¹
8-5/1-(-3)
3/4
=0.75
How many times larger is 6×10 to the power of 6 than 3×10 to the power of 5
sir im sry to tell u this but, Y ARENT U SUBBED TO PEWDIEPIE U NERD
NEED HELP ASAP
FIND X AND Y
WILL GIVE BRAINLEST
Answer:
X=3 Y=12
Step-by-step explanation:
sorry if i got it wrong xp
9. If f(x) = 5x-4 and f(2a) =156 , then what is the value of a?
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[tex]f(x) = 5x - 4[/tex]
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[tex]f(2a) = 5(2a) - 4[/tex]
[tex]f(2a) = 10a - 4[/tex]
[tex]156 = 10a - 4[/tex]
[tex]10a - 4 = 156[/tex]
Add sides 4
[tex]10a - 4 + 4 = 156 + 4[/tex]
[tex]10a = 160[/tex]
Divide sides by 10
[tex] \frac{10a}{10} = \frac{160}{10} \\ [/tex]
[tex]a = 16[/tex]
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Answer:
--15
Step-by-step explanation:
First do the bracket
anything inside () and squared (or even numbers) will become positive
so 1- (16)
1-16=-15
Find the area of the figure. (Sides meet at right angles.)
3 in
s in
5 in
9 in
8 in
Answer:
Area is 69 in^2
Step-by-step explanation:
the big square is 9*9=81
the small rectangle is 4*3=12
81- 12= 69 in^2
5.
As shown in the diagram below, lines m and n are
cut by transversal p.
р
m
n
7
2
If mZ1 = 4x + 14 and mZ2 = 8x + 10, lines m
and n are parallel when x equals
A. 1
B. 6
C. 13
D. 17
The value of x is 13 if lines m and n are parallel and lines m and n are cut by transversal p.
What is linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
As we can see in the figure, the lines m and n are cut by transversal p.
Then the sum of angles mZ1 and mZ2 is equal to 180 degree.
4x + 14 +8x + 10 = 180
12x + 24 = 180
12x = 156
x = 13
Thus, the value of x is 13 if lines m and n are parallel and lines m and n are cut by transversal p.
Learn more about the linear equation here:
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Brooklyn had 4.52 inches of rain in April. In May it rained 5.23 inches and 3.41 inches of rain in June. How much rain did the city have during this three-month period?
Answer:
[tex]Total = 13.16\ in[/tex]
Step-by-step explanation:
Given
[tex]April = 4.52\ in[/tex]
[tex]May = 5.23\ in[/tex]
[tex]June = 3.41\ in[/tex]
Required
Determine how much rain the city had
To do this, we simply sum the rainfall in the three months
[tex]Total = April + May + June[/tex]
[tex]Total = 4.52\ in + 5.23\ in + 3.41\ in[/tex]
[tex]Total = 13.16\ in[/tex]
Hence:
13.16 inches of rain fell
Answer:
Step-by-step explanation:
im not suree
The radius of the moon is approximately 1,350,000 m. What is the radius in kilometers? (1 km=1000m)
Answer:
I believe it is 1,350 but i am not completely sure
Step-by-step explanation:
The radius of the moon in Kilometers is 1350 km.
What is unit conversion?Multiplication or division by a numerical factor, selection of the correct number of significant figures, and unit conversion are all steps in a multi-step procedure.
Unit conversion is a multi-step procedure that involves adding, subtracting, multiplying, or dividing by a conversion factor. Additionally, rounding and choosing the appropriate number of significant digits may be necessary during the process. To measure various parameters, various units of conversion are utilized.
Given that the radius of the moon is approximately 1,350,000 m. The radius in kilometers will be calculated as,
1 km = 1000m
1 m = 1 / 1000 km
1350000 meters = 1350000 / 1000 km
1350000 meters = 1350 km
To know more about unit conversion follow
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The table shows a linear function.
Which equation represents the function?
Jack works after school. Each day he is paid a set amount, plus an hourly wage. Look at the table. Choose the linear function f Jack can use to
find his pay.
Hours
1
1.5
2
2.5
3
Pay
18
23
28
33
38
A. f(x) = 10x + 8
B. f(x) = 15x + 3
O
C. f(x) = 0.5x + 1
D. f(x) = x + 18
Answer:
A. [tex] f(x) = 10x + 8 [/tex]
Step-by-step explanation:
The equation in slope-intercept form, [tex] f(x) = mx + b [/tex], can be created to be used in finding Jack's pay. We need to find the slope (m) and the y-intercept (b) of the linear function.
Using two points (1, 18), and (1.5, 23), find the slope (m):
Slope (m) = [tex] \frac{y_2 - y_1}{x_2 - x_1} = \frac{23 - 18}{1.5 - 1} = \frac{5}{0.5} = 10 [/tex]
Find b, by substituting x = 1, f(x) = 18, and m = 10 into [tex] f(x) = mx + b [/tex].
[tex] 18 = (10)(1) + b [/tex]
[tex] 18 = 10 + b [/tex]
Subtract 10 from each side
[tex] 18 - 10 = b [/tex]
[tex] 8 = b [/tex]
[tex] b = 8 [/tex]
Substitute m = 10 and b = 8 into [tex] f(x) = mx + b [/tex].
✅Thus, the linear function that can be used to find Jack's pay would be:
[tex] f(x) = 10x + 8 [/tex]
Evaluate.
33+1⋅9+12
please help!
2x+y=3 x-2y=-1 if equation 2 was multiplied by -2
Answer:
List all of the solutions.
2x+y=3=2x+y=3=
x−2y=−1=x-2y=-1=
2=2=
−2=
Step-by-step explanation:
Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.
If the point (2,3) lies on the line 4y = ax +5 , then a -
(a) 7/2
(b) 1
(o) -2
(d) none of these
Answer:
B
Step-by-step explanation:
[tex]\pi - 1[/tex]
rational or irrational