Answer:
Yeah, the solution for the equation is 30.
Step-by-step explanation:
12 + x = 42
⇒ x = 42 - 12
∴ x = 30
Solve the system of equations below by elimination. Write your answer as an ordered pair. e.g. (2,3)
Answer:
(45,35)
Step-by-step explanation:
1 - Stack the equations on top of each other
3x - 4y = -5
4x + 4y = 40
2 - We can eliminate by subtracting the bottom equation from the top equation
3x - 4y = -5
- 4x - 4y = 40
3 - The y's cancel out, leaving us with...
3x = -5
- 4x = 40
4 - Continue simplifying
-1x = -45
5 - We can switch the -1x with -x to make things simple
-x = -45
6 - Positize (make it positive) the statement
x = 45
7 - Halfway there! Substitute the x value into one of the equations
(3 * 45) - 4y = -5
8 - Solve
135 - 4y = -5
Minus 135 on both sides
-4y = -140
Divide by -4 on both sides
y = 35
9 - Here is your answer!!
x = 45
y = 35
(45,35)
Help your poor girl out please. Thank you <3
Answer:
:)
Step-by-step explanation:
a)
48 = d + 23
48 - 23 = d + 23 - 23
25 = d + 0
25 = d
b)
W - 13 = 28
W - 13 + 13 = 28 + 13
W + 0 = 41
W = 41
c)
[tex]9x = 72\\\\\frac{9x}{9} = \frac{72}{9}\\\\x = 8[/tex]
d)
[tex]84 = 4n\\\\\frac{88}{4} = \frac{4n}{4}\\\\22 = n[/tex]
Answer questions #13 & 14. Number 13: What is the system shown? Number 14: Type the correct answer in the box. THE IMAGE BELOW SHOWS BOTH QUESTIONS.
Answer:
124
Step-by-step explanation:
248)
Collin needs to fix his broken air conditioner unit. He decides to call some mechanics to see what it might cost to get the unit repaired. Let’s x represent the number of hours and let y represent the total cost.
Company A: y = 25x + 20
company B: y = 20 + 45
it will take ____________ hours for the cost to be the same for both companies
5 hours if there was supposed to be an x after 20 on the second equation
It will take 5 hours for the cost to be the same for both companies.
What is an equation?Two algebraic expressions having the same value and symbol '=' in between are called an equation.
Collin needs to repair his malfunctioning air conditioner.
He makes the decision to phone a few technicians to find out how much it would cost to fix the device.
Let x stand for the number of hours and y for the overall expense.
Company A: y = 25x + 20
company B: y = 20x + 45
To find the number of hours it will take for the cost to be the same for both companies, we need to solve the equation:
25x + 20 = 20x + 45
Simplifying the equation, we get:
5x = 25
x = 5
Therefore, x = 5
To learn more about the equation;
https://brainly.com/question/12788590
#SPJ3
The complete question:
Collin needs to fix his broken air conditioner unit. He decides to call some mechanics to see what it might cost to get the unit repaired. Let’s x represent the number of hours and let y represent the total cost.
Company A: y = 25x + 20
company B: y = 20x + 45
it will take ____________ hours for the cost to be the same for both companies
-4(2+8)=(-4xN)= Show your answers
Answer:
n=10
Step-by-step explanation:
[tex] - 4(2 + 8) = ( - 4 \times n) \\ \frac{ - 4(10)}{ - 4} = \frac{ - 4n}{ - 4} \\ 10 = n[/tex]
Answer:
−4(2+8)=−4n
Step 1: Simplify both sides of the equation.
−40=−4n
Step 2: Flip the equation.
−4n=−40
Step 3: Divide both sides by -4.
[tex]\frac{-4n}{4} = \frac{-40}{-4}[/tex]
n=10
DUE JUNE 30TH!!!!!!!!!!!!!!!!!!!!!!
Answer: a) Surface Area : 488 [tex]cm^{2}[/tex]
Volume : 672 [tex]cm^{3}[/tex]
b) Surface Area
c) Volume
Step-by-step explanation:
The object given is a cuboid. A cuboid has 6 sides.
To calculate the surface area and volume, we need the dimensions of the cuboid which are the length(l), breadth(b), and height(h).
According to the image given, l = 14 cm, b = 8 cm, and h = 6 cm.
a) Surface Area:
The formula for the surface area of a cuboid is = 2*((l*b)+(l*h)+(b*h))
Therefore, the surface area = 2*((14*8)+(14*6)+(8*6)) = 488 [tex]cm^{2}[/tex]
The area is always denoted as [tex]cm^{2}[/tex]
Volume:
The formula for volume of a cuboid is = l*b*h
Therefore, the volume = 14*8*6 = 672 [tex]cm^{3}[/tex]
The area is always denoted as [tex]cm^{3}[/tex]
b) Plating is done to usually protect the surface area of an Object. Therefore the answer is Surface Area.
c) If the brick is made of concrete, it means that the whole space occupied by the brick consists of concrete. Therefore volume is the right option.
To learn more about surface area and volume:
https://brainly.com/question/13789496
Answer:
1. Volume: 672cm
SA: 488cm
2. SA
3. Volume
Please give brainly!
answer asap please and thank you look at the image
Answer:
4x=36
Step-by-step explanation:
4x=36
x=36/4
x=9
Other equation
36/4=x
CORRECT ANSWER Gets branliest!
Answer:
114.24 m2
Step-by-step explanation:
1. 8x8 = 64
2. 4^2 = 8
3. 8 x 3.14 = 25.12
4. 25.12 x 2 = 50.24
5. 50.24 + 64 = 114.24 m2
CHECK MY WORK BECAUSE I AM SO CONFUSED.
A park has 8 trees. One of those trees is a pine tree.
What fraction of the trees are pine trees?
1/2
1/3
1/8
1/6
Answer:
1/8
Step-by-step explanation:
becaause only one of the 8 are pine
hope this helps!
add me as a friend if you can<3
Which of the following is the sale price for an item with an original price of $45 after applying a discount of 35%?
Jezebel took a train to visit her uncle. The train traveled at a constant speed of 40 miles per hour. Complete the table. Then, write an equation to find the total distance d traveled after t hours.
Answer:
[see below]
Step-by-step explanation:
We can tell that for every hour passed the distance traveled by the train would increase by 40 miles.
We can use the equation d = 40t to determine the values of the table. The 'd' is total distance and 't' is the number of given hours.
Two hours:
d = 40(2)
d = 80
Three Hours:
d = 40(3)
d = 120
Four Hours:
d = 40(4)
d = 160
Hope this helps.
How many terms are in each factor of the expression 9(7 + 2x)?
Answer:
2 terms i believe if i am wrong i apologize
Step-by-step explanation:
.
easy math please help i'll mark brainliest
Answer:
D, D, A, C
Step-by-step explanation:
Congruent means equal.
T and r are alternate angles
Vertically opposite angles are equal
Y is 47 degrees because since the full angle is 90 degrees, subtract:
90-43 = 47
Hope this helps :)
-jp524
If n(p)=20, n(Q)=30 and n (PUQ)=40
then
Draw a veen diagram of the above information.
What are the vertices of the resulting image A’B’C’D’E after rotating the figure 90 degrees about the origin?
Answer:
45
Step-by-step explanation:
Please help me! Will give Brainliest!!
Answer:
18 units
Step-by-step explanation:
Answer:
18 units that is the answer. :)
60
POINTS! WILL GOVE BRAINLIEST
PLEASE ANSWER AS MUCH AS YOU CAN <33
Answer:
1 is 18 2 is 16 3 is 8 4 is 42 these the answers.
The Westhafen tower in Germany is in the shape of a cylinder. It has a height of 109 meters and a diameter of 38 meters. What is the volume of the building? Express your answer in terms of π.
Answer:
123619 m^3
Step-by-step explanation:
V=π(d /2)2h=π·(38 /2)2·109 ≈ 1.23619×105m³
Not sure this is right
A bag of M&Ms have eight red 10 brown and six green what color are in the ratio of 5:3
Help please
Answer:
BROWN & GREEN
Step-by-step explanation
6 : 8 : 10
divide above ratio by 2
3 : 4 : 5
green : red : brown
3 : 5
green : brown
Answer:
brown and green
Step-by-step explanation:
10 (brown) / 6 (green)
if divided by 2 equals 5:3
Hey. Good Afternoon.
I need help with this problem please.
Answer: The slope is 1
Step-by-step explanation:
(0, 2.7) - x1, y1
(1, 3.7) - x2, y2
3.7 - 2.7 = 1
1 - 0= 1
1/1 = 1
Questions on file. Pls halp
[tex] \large{ \tt{❋ \: EXPLANATION}} : [/tex]
The formula to find out the volume of a rectangular prism is V = l × b × h where V is the volume , l = length , b = breadth & h = height.We're provided the figure of trapezium in the second attachment. The formula to fInd out the area of trapezium is A = [tex] \tt{ \frac{1}{2} h(a + b)}[/tex] where a and b are the opposite parallel sides and h be the height of a trapezium.[tex] \large{ \tt{❃ \: SOLUTION}} : [/tex]
In the first picture , we're provided - Length ( l ) = [tex] \frac{7}{4} [/tex] cm , breadth ( b ) = [tex] \frac{3}{2} [/tex] cm and height ( h ) = [tex] \frac{1}{2} [/tex] cm. Now, plug these known values and them find out the volume of given rectangular prism.[tex] \large{ \tt{❁ \: VOLUME \: OF \: RECTANGULAR \: PRISM \: ( \: V \: ) = l \times b \times h}}[/tex]
[tex] \large{ {⟶ \: \frac{7}{4} \times \frac{3}{2} \times \frac{1}{2} }}[/tex]
To multiply one fraction by another , multiply the numerators for the numerator and multiply the denominator for its denominator and reduce the fraction obtained after multiplication into lowest term if possible.[tex] \large{ ⟶ \frac{7 \times 3 \times 1}{4 \times 2 \times 2} }[/tex]
[tex] \large{⟶ \frac{21}{16} \tt{ {cm}^{3} }}[/tex]
Hence , the volume is [tex] \boxed{ \frac{21}{16} }[/tex] cubic centimetres.--------------------------------
In the second attachment , we're provided - 6ft and 7 ft are the opposite parallel sides and 3 ft is the height of the given trapezium.[tex] \large{ \tt{✺ \: AREA \: OF \: A \: TRAPEZIUM = \frac{1}{2} h(a + b)}}[/tex]
[tex] \large{ ⟶ \frac{1}{2} \times 3(6 + 7)}[/tex]
[tex] \large{⟶ \: \frac{1}{2} \times 3 \times 13 }[/tex]
[tex] \large{⟶ \frac{39}{2} \tt{cm}^{2} }[/tex]
Hence , The area of trapezium is [tex] \boxed{ \frac{39}{2} \tt{cm}^{2} }[/tex]And we're done ! ♪
[tex] \large{ \# \: \mathfrak{StayInAndExplore \:☂ }}[/tex]
▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
Answer:
1)
V = l * w * h
7/4 * 3/2 * 1/2 = 21/16 cm^3
2)
A = a+b ÷ 2 * h
6 + 4 = 10 ÷ 2 = 5
5 * 3 = 15 ft^2
plz help will be marked BRAINLIEST
Answer:
7 units, 6 units, 12 units,
5 units, 13 units, 11 units
Step-by-step explanation:
In all triangles, the sum of any two sides of the triangle must be larger than the third.
We can test this by adding the shortest two sides of any triangle and see if this is true:
[tex]3+4\ngtr 8\implies \text{No triangle},\\7+6> 12\implies \text{Triangle possible}\checkmark,\\5+11>13\implies \text{Triangle possible}\checkmark,\\6+4\ngtr 12\implies \text{No triangle},\\6+4\ngtr 10\implies \text{No triangle}[/tex]
Liz eams a salary of $2,400 per month, plus a commission of 4% of her sales. She wants to earn at least $2,600 this month. Enter an inequality to find amounts of sales that will meet her goal. Identify what your variable represents. Enter the commission rate as a decimal. + The inequality that represents the situation is s=(select) s (select) v
Answer:
2400+0.04s (greater than or equal to) 2600
Step-by-step explanation:
Can anyone please help with this for brainliest?
Answer:
The first one
Step-by-step explanation:
A school chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers, with the same combination of sixth- and seventh-grade students in each group. She wants to form as many groups as possible. What is the largest number of groups that could be formed?
Answer:
The music director can make 15 groups of performers with 6 sixth grade students and 5 seventh grade students in each group.
Step-by-step explanation:
BRAINLIEST FOR THIS STUFF
HELP ME PLEASE SOMEBODY SAVE ME
Answer:
ok
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
Click on the image above^
Answer:
x = [tex]\sqrt{34}[/tex] or 5.83
Step-by-step explanation:
A² + B² = C²
3² + 5² = x²
9 + 25 = x²
34 = x²
[tex]\sqrt{34}[/tex] = x
or
5.83 = x
Hope this helps!
PLZ HELP 30 PTS ANSWER FAST AND I GIVE BRAINLIEST AND 5 STARS TO THE PEOPLE WHO DON'T GET BRAINLIEST!!!!!
Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below.
79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85
Which of the following histograms represents this data?
Answer:
4
Step-by-step explanation:
help i'll mark brainliest thank you
Answer:
Q1: B
Q2: D
Q3: B
Q3: C
explanation:
Answer:
Q1 : D = 4.5
Q2: A and C = 22/7 and 3. 14
Q3: C = 36
Q4: B = 28.5
Step-by-step explanation:
plz mark brainliest :)
