Answer:
x=9
Step-by-step explanation:
2x+10=28
2x=18
x=9
Answer:
x = 9
Step-by-step explanation:
2x + 10 = 28
2x = 28 - 10
2x = 18
x = 18 / 2
x = 9
Hope that helps!
Write the expression using exponents. 8 x 8 x 8 x 8 x 8
Answer:
8^{5} or 32,768Step-by-step explanation:
8 x 8 x 8 x 8 x 8
= 8² + 8²
=8²+²
=8^5
Find the missing side of this right
triangle.
5
Х
3
x = [?]
Enter the number that belongs in the green box.
Answer:
x= 4
Step-by-step explanation:
how are 4:1 and 12:3 different
Answer:
They are not different
Step-by-step explanation :if you reduce 12/3 it will give you 4:1 Which is the same as 4:1 so....They are not different.
find the area of the trapezoid
a = 24
b = 24 + 6 + 9
= 39
h = 12
[tex] \frac{1}{2} \times (a + b) \times h \\ = \frac{1}{2} \times (24 + 39) \times 12 \\ = 63 \times 6 \\ = 378[/tex]
#CMIIW
Find the rate of change between (3, 8) and (6, 26)
Answer:
6
Step-by-step explanation:
The slope m between the 2 points is a measure of the rate of change.
Calculate m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (3, 8) and (x₂, y₂ ) = (6, 26)
m = [tex]\frac{26-8}{6-3}[/tex] = [tex]\frac{18}{3}[/tex] = 6
Then rate of change is 6
which expression has a constant of 5?
Answer:
A
Step-by-step explanation:
Which statement is true of discrete data?
It can only have certain values.
It is used in bar graphs.
It can be any value within a range.
It is used in line graphs.
Answer:
The first 2 statements are true.
Step-by-step explanation:
Can someone help me PLZ! I keep posting the same question and no ones helping me :((((((((((((
Answer:
4 weeks at 150$
Step-by-step explanation:
During swim practice, an Olympic swimmer is required to complete three swimming intervals, in this order: warm-up freestyle, sprint freestyle, and cool-down breast stroke. After he completes each interval, he rests for three minutes.
Sketch a graph that represents the swimmers’ interval times with respect to swimming speed. Assign the x- and y-axes with appropriate labels. You may use description words instead of numbers to label the graph.
Answer:
I'm not sure if the warm up speed is less than the cool down speed. If it is different than how I did it you just need to swap their positions on the y axis, so the "lumps" or whatever you want to call the shapes will be in opposite positions. The middle one will stay the same because it is the fastest and in between the two happening. Also let me know if you can't read any of the labels
1. Joshua has a ladder that is 14 ft long. He wants to lean the ladder against a vertical wall so that the top of the ladder is 13.8 ft above the ground. For safety reasons, he wants the angle the ladder makes with the ground to be no greater than 78°. Will the ladder be safe at this height? Show your work and draw a diagram to support your answer.
Answer:
Step-by-step explanation:
θ is the angle the ladder makes with the ground.
θ = arcsin(13.8/14) ≈ 80.3° > 78°
The ladder is not safe at that height and angle.
5C. Amanda pours 3/4 of her water into Barbara’s empty bottle. Barbara then pours 3/5 of her water into Charlie’s empty bottle. Charlie then pours 1/2 of his water into David’s empty bottle. If David now has 18 ounces of water, how many ounces does Amanda still have?
Answer:
20 ounces
Step-by-step explanation:
For this type of problem it is best to work backwards.
If David has 18, and Charlie gave him 1/2, then Charlie has 36 because 18x2=36. Barbara has 60, because 36/3= 12 and 5x12=60. Then, Amanda has 80 because 60/3=20 and 20x4= 80. But, we need to subtract 60 because the problem asks how many ounces of water does Amanda still have. So, 80- 60(The amount of water she gave to Barbara)=20.
Answer:
20
Step-by-step explanation:
I need help on this. Can someone explain it?
Answer:
noooooooooooooooooooooo
Jenna has a garden with coordinate A(2,-1), B(4,3), C(9,3), D(7,-1) where each unit is 1 foot.
What are the dimensions of the garden rounded to the nearest 10th? (Looking for the lengths of the sides)
Answer choices: 9.5 ft, 6 ft, 4.5 ft, 5 ft, 4ft. (You can pick multiple.)
If Jenna decides to buy fencing for the garden, how much fence material does she need to buy? (Free response)
What is the most precise name for the shape of the garden? Answers: Quadrilateral, Rectangle, Square, Parallelogram (Can only pick one)
Answer:
a) The dimensions of the garden are: 4.5 ft and 5 ft
b) 22.5 ft² of fencing material
c) The most precise name for the shape of the garden is a Rectangle
Step-by-step explanation:
a) Jenna has a garden with coordinate A(2,-1), B(4,3), C(9,3), D(7,-1) where each unit is 1 foot.
What are the dimensions of the garden rounded to the nearest 10th? (Looking for the lengths of the sides)
When we are given coordinates, we find the dimensions using the formula
= √(x2 - x1)² - (y2 - y1)²
(x1 , y1) and (x2 - y2)
For side AB
A(2,-1), B(4,3)
= √(4 - 2)² + (3 - (-1))²
= √2² + 4²
= √4 + 16
= √20 units = √20 feet
= 4.472135955 feet
Approximately = 4.5 feet
For side BC
B(4,3), C(9,3)
= √(9 - 4)² + (3 - 3)²
= √5² + 0²
= √25
= 5 units = 5 feet
For side CD
C(9,3), D(7,-1)
= √(7 - 9)² + (-1 - 3)²
= √(-2)² + -4²
= √4 + 16
= √20 units = √20 feet
= 4.472135955 feet
Approximately = 4.5 feet
For side AD
A(2,-1), D(7,-1)
= √(7 - 2)² + (-1 - (-1))²
= √5² + (-1 + 1)²
= √5² + 0²
= √25
= 5 units = 5 feet
Therefore, the dimensions of the garden are: 4.5ft and 5 ft
b) If Jenna decides to buy fencing for the garden, how much fence material does she need to buy? (Free response)
To buy fencing material for the garden, we have to find the area of the garden
Formula = Length × Width
= 4.5 ft × 5 ft
= 22.5 ft²
Therefore, Jenna needs to buy 22.5 square feet of fencing material.
c) What is the most precise name for the shape of the garden?
From the above calculation, we can see that
Side AB = Side CD = 4.5 ft
Side BC = Side AD = 5 ft
Therefore, the most precise name for the shape of the garden is a Rectangle
owen finds a rock that has some gold in it . The rock has a mass of 125 grams. He moves the gold , which is 18% of the mass of the rock . How much gold , which is 18% of the mass of the mass of the rock . How much gold does he have ?
Answer:
102.5
Step-by-step explanation:
125-18% or 125/1-18/100
Owen has 102.25 gm of gold.
What is Percentage?To determine the quantity or percentage of something in terms of 100, use the percentage formula. Per cent simply means one in a hundred. Using the percentage formula, a number between 0 and 1 can be expressed. A number that is expressed as a fraction of 100 is what it is. It is mostly used to compare and determine ratios and is represented by the symbol %.
We have,
The rock has a mass of 125 grams.
So, the 18% of mass of rock is
= 125 - 18% of 125
=125 - 18/100 x 125
= 125 - 2250/100
= 125 - 22.5
= 102.25
Learn more about Percentage here:
https://brainly.com/question/29306119
#SPJ2
witch one is the function
Answer:
B
Step-by-step explanation:
a function doesn't have any repeating x values
What point is a reflection of (-4, -9) across the x-axis?
please help it's due by the end of class
Answer: 20% (0.2)
Step-by-step explanation:
if you multiply 15 • 0.2 you get 3 which you then add to 15 to get 18
What number is the the value of the digit 7 one hundred times as much as the value of the digit in 532,736 A)27,038 B). 73,645 C).124,743 D) 736,942
I dont know sorry
Step-by-step explanation:
Answer please to the best of your ability
Answer:
1.8 m
Step-by-step explanation:
h(T)=-9.8T^2+20T+1
just replace the T with 2
h=-9.8(2^2)+20(2)+1
-9.8×4+40+1=1.8m
1.8m
ABC is the image of ABC under a translation
A cube-shaped box has a volume of 27 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cubes can fit along one side of the
box?
Answer:
9 along one side.
Step-by-step explanation:
This question may be a bit tricky.
The side should mean the entire side, not just along the bottom edge.
The bottom row will have three 1-inch cubes. Three more in a middle row, and three more on top of that. That is a total of nine on that side.
HI PLS HELP
x^2 - 6x + ___ = ( _____ )^2
Select one:
a. 9; x + 3
b. 9; x - 3
c. -6; x + 6
d. -6; x - 6
Answer:
Hello
Step-by-step explanation:
Answer:
B. 9; x-3
Hope this helps!
A dairy company can make 1200 units of product each week. To meet the needs of its regular customers, the dairy company must produce at least 300 units of cheese, and 450 units of yogurt. If the profit for each unit of cheese is $60 and for each unit of yogurt is $90, how many units of each type of dairy product should the dairy company make to maximize its profit?
Answers:
300 yogurt and 450 cheese
300 cheese and 900 yogurt
450 yogurt and 750 cheese
750 yogurt and 450 cheese
Answer:
300 cheese and 900 yogurt
Step-by-step explanation:
300 cheese and 900 yogurt
GUYS PLS HELPPP ME!!!!
Mattie Evans drove 250 miles in the same amount of time that it took a turbo propeller plane to travel 1250 miles. The speed of the plane was 200 mph faster than the speed of the car. Find the speed of the plane.
Answer:
250 mph
Step-by-step explanation:
Speed of car = Distance / Time =
The speed of the plane was 200 mph faster than the speed of the car.
Speed of car = X mph
Speed of plane = 200 + X mph
Evans drove 250 miles in the same amount of time...
Speed = Distance / Time
Time = Distance / Speed
T = 250 / X ........(i)
same amount of time that it took a turbo propeller plane to travel 1250 miles.
Time = Distance / Speed
T = 1250 / (200 + X) .......(ii)
Substitute the value of T in eqn (i) to eqn (ii)
250 / X = 1250 / (250 + X)
250 (200 + X) = 1250 X
50000 + 250 X = 1250 X
1250 X - 250 X = 50000
1000X = 50000
X = 50000 / 1000 = 50
Speed of plane = 200 + X mph = 200 + 50 = 250 mph
Which graph can be defined by the function
y=-3x + 2?
Answer:
B
Step-by-step explanation:
The second graph is the correct choice because the y-intercept is two, the graph is negative, and has a slope of m=3/1.
Look at the image below
Answer:
your answer will be 12
Step-by-step explanation:
[tex]4x-6=42\\\\4x=42+6\\\\4x=48\\\\x=12[/tex]
have a nice day ^_^
Answer:
[tex]x=12[/tex]
Step-by-step explanation:
∠B=∠E
7x+10=947x=94-107x=84x=8yx=8y/7x=12------------------
∠A=∠D
42=4x-64x=6+424x=48x=48/4x=12⭒☆━━━━━━━☆⭒
hope it helps...
have a great day!!
find the value of the variables
Answer:
x = 50 degrees
y = 105 degrees
Step-by-step explanation:
to find y, take 75 and subtract it from 180:
180 - 75 = 105
y = 105 degrees
to find x, take 180 and subtract 75:
180 - 75 = 105
then, subtract 5 from 105:
105 - 5 = 100
next, divide 2 from 100:
100 / 2 = 50
x = 50 degrees
What is the vertex of 7x^2 + 14 + 9
Answer:
(0, 23)
Step-by-step explanation:
100 points
b) Are there any overall patterns in the data set? Striking deviations? Use mathematical reasoning to justify your answer. (2 points)
c) Calculate the measures of spread for Mrs. Hampton’s class data. Justify your response by describing the process used to find each measure. (2 points)
d) Which is a better measure of spread: range or interquartile range? Why? (2 points)
e) What does the value of the mean absolute deviation tell you about the spread of the data? (2 points)
Answer:
What the absolute deviation tells me about the spread of data is, that there is a deeper mean to the mean. First you have to find the actual mean. Next, you find the mean for the lower and upper quartiles. After that, you have to find the absolute deviation for the lower and upper quartiles.
Step-by-step explanation:
I really hope this helps!
(Also this answer is for Part E)
Answer: A) The histogram is skewed left meaning that the median will be more than the mean of the data. As the study goes onward in terms of age, more and more children are studied to play at least an hour a week of video games. Barley any children below the age of 5 play video games for at least an hour a week, but once they hit the age of 6, more and more kids are playing video games. Kids aged fifteen to seventeen have the most amount of kids that do play at least an hour of video games per week. In a graph, this may show a J-shaped curve that starts low, then has a large increase to eventually level off and begin gradually getting larger as the ages increase.B) The following statement, “Children are typically introduced to video games between the ages of six to eight” is a true statement. The graph shows that a very small percentage of children from birth to five years old play video games, but suddenly, once they have turned 6, there is practically a 60% increase in how many kids are playing video games one hour a week. It is from the age 6 that the kids start off and are introduced to the video games, as more and more kids end up playing as well as the grow older.c) Knowing that five hundred families that lived in varied cities were randomly surveyed for this data, then it is possible to make a valid conclusion. To make accurate and valid conclusions, the data should be a good representation of the overall population, one that is large and random. The data collected was not all from one specific area, and instead was from a large sample size from different cities are regions all over. This was also done randomly, and did not only focus on people more or less likely to play video games. This means that it is possible to make valid conclusions.
Step-by-step explanation: hope this helps