show your work and simplify the expression (x – 2) (3x-4)
how do you do this please help me
The perimeter of a triangle is the sum of all sides' lengths.
Thus,
[tex]P=6+4x+(3x+2)=7x+8.[/tex]
Given [tex]P=57\ cm,[/tex] you get
[tex]7x+8=57,\\ \\7x=57-8,\\ \\7x=49,\\ \\x=\dfrac{49}{7},\\ \\x=7\ cm.[/tex]
Answer: x=7 cm.
Thirty five is what fraction of 80
find an inequality that you can use to disprove John statement. explain your thinking.
Need help! Easy!! 7th grade Pre-algebra! Easy!
The volume of a right rectangular shipping carton is 948.75 cubic meters. The height of the shipping carton is 11 meters, and the width is 7.5 meters. What is the length of the shipping carton? Enter your answer as a decimal in the box.
If volume of a right rectangular shipping carton is 948.75 cubic meters and the height of the shipping carton is 11 meters, and the width is 7.5 meters then length is 11.5 meters.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
Given that volume of a right rectangular shipping carton is 948.75 cubic meters.
The height of the shipping carton is 11 meters, and the width is 7.5 meters.
We have to find the length of the shipping carton
V=Length × width × height
V= Length x 7.5 x 11
948.75 = 82.5 length
Divide both sides by 82.5
Length = 948.75/82.5
Length = 11.5 meters
Hence, if volume of a right rectangular shipping carton is 948.75 cubic meters and the height of the shipping carton is 11 meters, and the width is 7.5 meters then length is 11.5 meters.
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-x+y=5 4x+y=10 Use addition to solve the linear system of equations. Include all of your work in your final answer
Can someone please help me??
Is 5 quarts bigger than 25 cups
What is 143-1 1/20 please how meeeee I'm stupid but I just have to check my work if I got it right
help with how to solve this
what is yhe best approximation of the value of w?
A) 1.4 cm
B) 4.0 cm
C) 6.0 cm
D) 7.3 cm
B) 4.0 cm
ExplanationFirst, we can adapt the law of sines to the notation of our triangle:
[tex]\frac{sin(W)}{w} =\frac{sin(U)}{u}[/tex]
Now, we can infer from our diagram that [tex]W=39[/tex], [tex]U=31[/tex], and [tex]u=3.3[/tex], so we can replace the values in our previous expression:
[tex]\frac{sin(W)}{w} =\frac{sin(U)}{u}[/tex]
[tex]\frac{sin(39)}{w} =\frac{sin(31)}{3.3}[/tex]
Finally, we can solve for [tex]w[/tex]:
[tex]\frac{3.3sin(39)}{w} =sin(31)[/tex]
[tex]3.3sin(39)=wsin(31)[/tex]
[tex]\frac{3.3sin(39)}{sin(31)} =w[/tex]
[tex]w=\frac{3.3sin(39)}{sin(31)}[/tex]
[tex]w=4.03224[/tex]
Which rounds to [tex]w=4.0[/tex]
We can conclude that the best approximation of w is 4.0 cm
th original price of a computer was reduced by $250. if p= the computer original price in dollars. which algebraic expression represents the reduced price
Adelaide paid $35 for a manicure and gave the manicurist a 20% tip How much money did Adelaide give her manicurist
Answer:
Adelaide gave $ 42 to the manicurist.
Step-by-step explanation:
Here, the original price of the manicure = $ 35
Since, 20% tip is given to manicurist,
Thus, the total payment for manicure = Original price of the manicure + 20 % of the original price of the manicure
= 35 + 20 % of 35
[tex]=35+\frac{20\times 35}{100}[/tex]
[tex]=35+\frac{700}{100}[/tex]
[tex]=35+7[/tex]
[tex]=42[/tex]
Hence, Adelaide gave $ 42 to the manicurist.
HEEEEEEELP ASAP Janette went to Tire Mart and paid $122.57 per tire for 4 tires and a flat rate fee for installation for a total of $555.28 before taxes. Monique went to Fast Wheels and paid $136.71 per tire for 4 tires and a flat rate fee for installation for a total of $585.34 before taxes. The difference in the amount that they paid in installation charges is $____ WILL GIVE YOU BRAINLIEST
A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 121/3 feet per minute for 4.5 minutes. This depth is represented by the numerical expression: -200 + 121 3 (4.5) Simplify the expression using the order of operations. What is the diver’s depth? -200 + 37 3 (4.5) -200 + 55.5
−200+
37
3
(4.5)
=−200+55.5
=−144.5 You can use order of operations or pemdas to solve problems like this. Just remeber to go left to right and multiplaction can be before division and multiplacation can be before divison (same with subtaction and addition)
The diver’s depth is 18.5 feet below from sea level.
Given that, A diver begins at sea level and dives down 200 feet.
He ascends at a steady rate of 121/3 feet per minute for 4.5 minutes.
This depth is represented by the numerical expression is,
[tex]=-200 +\frac{121}{3}*(4.5) \\\\=-200+(121*1.5)\\\\=-200+181.5\\\\=-18.5feet[/tex]
Negative sign indicate that below the sea level.
Hence, The diver’s depth is 18.5 feet below from sea level.
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Which coordinate grid shows the correct locations of P(1, 2.5), point Q, which is a reflection of point P across the y-axis, and R(2, −2.5)?
Answer:
the second one is correct
Step-by-step explanation:
Answer:the second
Step-by-step explanation:
Students in a class were asked to name their favorite sport they like to watch on television. The results are shown in the circle graph. How many times more students prefer to watch basketball than prefer to watch soccer? Soccer- 3% Basketball- 25.5%
Using the divison operation, we can conclude that students prefer Basksetball 8.5 times more than soccer.
Percentage who prefer soccer = 3%Percentage who prefer Basksetball = 25.5%To obtain the number of times basket ball preference is greater than soccer :
We use the division operation :
(percentage of basketball) ÷ (percentage of soccer)
(25.5) ÷ 3 = 8.5
Therefore, students prefer basketball 8.5 times more than soccer.
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What is the answer to 2
4(2.1k-4)=6(3.4k-2) what does (K) equal?
Please I need help ASAP (brainly + thank you + brainly)
88.3-1.8%=86.7 is the answer
a circle has a radius of 8 inches. What is the circumference in terms of pi?
Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lucy sew in one?
Charlene records the number of pieces of red colored candies in ten bags of candy of assorted colors. find and interpret the mean absolute deviation of the data
6,6,7,7,8,8,10,10,11
The ratio of plates to napkins is 3:12. Write the ratio in simplest form.
What is 2x2 ? Plz I need the answer .
In the coordinate plane, what is the length of the line segment that connects points at (4, −1) and (9, 7) ? Enter your answer in the box. Round to the nearest hundredth.
Final answer:
The length of the line segment connecting points (4, -1) and (9, 7) in the coordinate plane is approximately 9.43 units, when rounded to the nearest hundredth.
Explanation:
To find the length of the line segment that connects the points (4, −1) and (9, 7) in the coordinate plane, we can use the distance formula which is derived from the Pythagorean theorem:
The distance (Δ) between two points (x1, y1) and (x2, y2) is given by:
Δ = √((x2 - x1)² + (y2 - y1)²)
Substituting the given coordinates:
Δ = √((9 - 4)² + (7 - (−1))²)
Δ = √(5² + 8²)
Δ = √(25 + 64)
Δ = √89
Using a calculator, we can find that:
Δ ≈ 9.43
Therefore, the length of the line segment is approximately 9.43 units, rounded to the nearest hundredth.
if a circle has a radius of 2.5 inches what is the area of the circle
In ABC what is the measure of C
Answer:
36 °
Step-by-step explanation:
Hello
In geometry an interior angle or an internal angle is an angle formed by two sides of a polygon that sharing a common end is contained within the polygon, and the sum of these angles is given by
sum=(n-2)*180°
where n is the number of sides of the polygon,in our case n= 3 (a triangle)
Step 1
find the sum o internal angles
sum=(3-2)*108°
sum=1*180°
(1)sum=180°
step 2
find x
now, according to the graph the sum of internal angles is
sum(graph)=6x+2x+2x
(2)sum=10x
(1) must be equal to (2)
180°=10x
isolating x
x=18
Step 3
find C
by the graph ,we know
C=2x
and x=18
replacing
C=2(18)
C=36°
Have a great day
a 20 foot ladder leans against a wall so that the base of the ladder is 8 feet from the base of the building. what angle does the ladder make with the ground?
The ladder makes an angle of 63.43 degrees with the ground.
What is Trigonometry?Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.
Given that 20 foot ladder leans against a wall so that the base of the ladder is 8 feet from the base of the building
We need to find the angle which the ladder make with the ground.
tan(x) = opposite side / adjacent side
In this case, the opposite side is the height of the building, which is 20 feet.
The adjacent side is the distance from the wall to the base of the ladder, which is 8 feet.
Plugging in the values:
tan(x) = 20 / 8
x=tan⁻¹(20/8)
x=63.43 degrees
x is the angle
Hence, the ladder makes an angle of 63.43 degrees with the ground.
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