Simplify step by step 1/2 (8x -4)
Answers
Answer:
4x-2
Step-by-step explanation:
Related Questions
The surface area of this sphere is 20,096 square centimeters. What's the volume of this sphere please help me
Answers
Answer:
Step-by-step explanation:
The trick is to find the radius. The surface area does that.
A =4* pi * r^2
20096 = 4 * 3.14 * r^2
20096 / 4 = 3.14 * r^2
5024 = 3.14 * r^2
5024 / 3.14 = r^2
r^2 = 1600
√r^2 = √1600
r = 40
Now all you do is use r to find the Volume
V = (4/3) * 3.14 r^3
V = (4/3) * 3.14 * 40^3
V = 1.333 * 3.14 * 64000
V = 26796.67
what is 8(2x - 3) simplified.
Answers
Answer:
16x - 24
Step-by-step explanation:
Use distributive property to find the product of 8 and 2 and the product of 8 and 3 since x is unknown leave it as x by the 16 and subtract 24
Complete the ratio table.
Apples
3
12
120
Bananas
4
16
60
Answers
Find the perimeter of the polygon.
Answers
9514 1404 393
Answer:
30 in
Step-by-step explanation:
The enclosing rectangle is 4 by 10, so has a perimeter of ...
P = 2(L+W) = 2(10+4) = 28
The notch adds 2 inches to the perimeter, so the total of all side lengths is ...
28 +2 = 30 . . . inches
David has 6 blue shirts and 4 red shirts. Write the ratio of David's red shirts to
total shirts as a fraction in simplest form.
ASAP!!!!
Answers
Answer:
4/10= 2/5
Step-by-step explanation:
Answer:
red shirts : total
4 : 10= 4/10
Which expression is equivalent to 10x + 20y?
Answers
Answer:12=0
Step-by-step explanation:
Step-by-step explanation:
10*x=10
20*y=20
20+10=30
what is the equation of a line that has a slope of -2 and goes through the point (-9,1)
Answers
Plug in point
1 = -2(-9) + b
1 = 18 + b, b = -17
Solution: y = -2x - 17
9n - 8d
(n = 3 and d = 2
Answers
Answer:
11
Step-by-step explanation:
9(3)-8(2)
27-16
11
Jim is 5 feet, 8 inches (5.7) ft tall. He casts a shadow that is 6 feet, 4 inches (6.3ft) long. A tree casts a shadow that is 19 feet long. How tall is the tree?
Answers
Answer:20-24 feet
Step-by-step explanation:
The table shows the relationship between the depth, in meters, of a submarine and
the time, in minutes, since it started a dive.
Submarine Depth
Time (minutes) Depth (meters)
2
100
4
180
09
260
8
340
Part B
Determine whether the relationship is proportional or not. Explain how the relationship
shown in the table supports your answer. Explain how your graph supports your answer.
Enter your answer and your explanations in the space provided.
Answers
9514 1404 393
Answer:
not proportional -- the y-intercept is not zero
Step-by-step explanation:
A quick check of table values shows the relationship is not proportional:
100/2 = 50 ≠ 45 = 180/4
That is, the ratios of table values are not constant.
__
When the values are graphed, the line through the points does not intersect the origin. This is further indication the relationship is not proportional.
A group of friends hiked 7 miles in 2 hours at this same rate what is the total number of miles they can hike in 8 hours
Answers
What are the constants in the expression 7r - 3 + 2s + 5
A 7, 3, 2, and 5
B -3 and 5
C 7 and 2
D 7, 2, and 5
Answers
constants are the numbers without variables (the letters) and coefficients are the numbers with variables
Answer:
Option BStep-by-step explanation:
Definition of constants: Contants are numbers that have no variables.
To find the constants of the expression 7r - 3 + 2s + 5, simply look for numbers without variables. We can see that the constants are -3 and 5, which matches Option B.
Hence, Option B is correct.
I need help with this
Answers
Answer:ooop
Step-by-step explanation:
Shshjaasksk
Answer:
3 to the 5th power would be 243.
The table shows the lowest elevations in some countries.
A 2-column table with 5 rows. Column 1 is labeled Country with entries Dominican Republic, France, Hungary, India, Japan. Column 2 is labeled Elevation (meters) with entries negative 46, negative 2, 78, 0, negative 4.
If you plotted these elevations on a vertical number line, which would be the only country with a lowest elevation above 0?
Dominican Republic
France
Hungary
India
Answers
Answer:
THE ANSWERE IS C!!!!!!!
Step-by-step explanation: it says above 0 so its not India it has 0
its not Dominican Republic or france and japan cause it is negetive the oly chose is hurgay
Answer:
THE ANSWER IS CStep-by-step explanation:
The price of a mountain bike is $50 more than a road bike. If 4 road bikes and 3 mountian bikes coat $4700. Find the price of a road bike and a mountain bike.
Answers
9514 1404 393
Answer:
road bike: $650mountain bike: $700Step-by-step explanation:
If r is the cost of a road bike, then the cost of a mountain bike is r+50. The total cost of the 7 bicycles is ...
4r +3(r+50) = 4700
7r +150 = 4700 . . . . . . eliminate parentheses
7r = 4550 . . . . . . . . . . . subtract 150
r = 650 . . . . . . . . . . . . . divide by 7; price of a road bike
r+50 = 700 . . . . price of a mountain bike
The price of a road bike is $650; the price of a mountain bike is $700.
Take25points. please helping me now Please help me Solve this questions in math just look The picture
Answers
Answer:15
Step-by-step explanation:
Answer:
graph for #2
Step-by-step explanation:
I need help with this I will mark u as brainliest
Answers
Answer:
table 2
Step-by-step explanation:
im not fully sure if this is correct
A botanist has developed a new hybrid cotton plant that can withstand insects better than other cotton plants. However, there is some concern about the germination of seeds from the new plant. To estimate the probability that a seed from the new plant will germinate, a random sample of 3000 seeds was planted in warm, moist soil. Of these seeds, 2470 germinated.
a. Use relative frequencies to estimate the probability that a seed will germinate. What is your estimate?
b. Use relative frequencies to estimate the probability that a seed will not germinate. What is your estimate?
c. Either a seed germinates or it does not. What is the sample space in this problem? Do the probabilities assigned to the sample space add up to 1? Should they add up to 1? Explain.
1. Yes, because they cover the entire sample space.
2. Yes, because they do not cover the entire sample space.
3. No, because they cover the entire sample space.
d. No, because they do not cover the entire sample space.
d. Are the outcomes in the sample space of part (c) equally likely?
Answers
Answer:
a. The estimate of the probability that a seed will germinate is:
82% (0.82)
b. The estimate of the probability that a seed will not germinate is:
18% (0.18)
c. The sample space is 2.
1. Yes, because they cover the entire sample space. The probabilities assigned to the sample space add up to 1 (0.82 +0.18).
They should always add up to one. Probability summed cannot exceed 1.
Step-by-step explanation:
a) Data and Calculations:
Sample = 3,000 seeds
Germinated seeds = 2,470
Non-germinated seeds = 530 (3,000 - 2,470)
Probability of a seed germinating = 2,470/3,000 = 82% approx.
Therefore, the probability of a seed not germinating = 18% (100 - 82) or (530/3,000)
Two fishing boats leave a marina at the same time. One boat travels north at a speed of 12 miles per hour. The other boat heads east at a speed of 9 miles per hour. Approximately how far apart are the two boats 15 minutes after they leave the marina?
Answers
Answer:
5.25 miles
Step-by-step explanation:
15 min=1/4 of hour
12/4=3
9/4=2.25
3+2.25=5.25
Answer:
d = 4.59 miles
Step-by-step explanation:
Distance Between Two Points in the Plane
Given two points A(x,y) and B(w,z), the distance between them is:
[tex]d=\sqrt{(z-y)^2+(w-x)^2}[/tex]
The fishing boats leave the marina in perpendicular directions. The first boat travels north at v=12 mph for t=15 minutes. Converting to hours t=15/60=0.25 hours.
The distance covered by this boat is
d1 = 12*0.25 = 4 miles
The boat ends up at the point (0,4).
The second boat travels east at v=9 mph for the same time t=0.25 hours. The distance is:
d2= 9*0.25 = 2.25 miles
This boat ends up at the point (2.25,0)
The distance between them is
[tex]d=\sqrt{(4-0)^2+(0-2.25)^2}=\sqrt{16+5.0625}=\sqrt{21.0625}[/tex]
Calculating the square root:
d = 4.59 miles
Sandra orders a box of cube-shaped beads. The beads are neatly stacked in layers, with the same number of beads in each layer. Each layer is12 beads across and 7 beads wide. There are 4 layers. How many beads does she receive
Answers
Answer: 336 beads
Step-by-step explanation:
To find how many beads are in each layer, use the equation 12 x 7 = 84
Then multiply the amount of beads by each layer: 84 x 4 = 336
I need help with this I will mark you if right
Answers
solve this pls
-7(x + 13) = 28
Answers
Answer:
−7(x+13)=28
Step-by-step explanation:
−7(x+13)=28
x=−17
Answer:
x= -17
Step-by-step explanation:
-
What is the slope of a line passing through (0,6) and (15,
21)?
Answers
Answer:
The slope is 1 :)
Step-by-step explanation:
Translate the algebraic expression shown below into a verbal expression. (3 points) Fraction with variable x in numerator and 4 in the denominator. Group of answer choices The sum of four and some number The product of some number and four The difference of four and some number The quotient of some number and four
Answers
4+x
4-x
4 divided by x
the answer is x/4
Step-by-step explanation:
i did the test!
image
A.
T
(
−
1,0
)
B.
T
(
1,0
)
C.
T
(
0,
−
1
)
D.
T
(
0,1
)
Answers
Jamal 1.9 a/)( duets tes of ur yuuyyyyy
1/2r = 7/2. solve for r
Answers
Answer:
r = 7
Step-by-step explanation:
hope this was helpful let me know you need the steps! :)
Answer: 1.75 or 1 3/4
Step-by-step explanation:
Because first you need to get R by it’s self by dividing it by 1/2 then if you divided it by one side you have to divide it by the other side so you get r=1.75 or 1 3/4.
Find the volume of a cube if an edge has length 4rst units
Answers
Answer:
64
Step-by-step explanation:
4 * 4 * 4 = 64
The volume of the cube is [tex]64[/tex]
Given that,
The length of an edge is 4rst.We know that
The volume of the cube is
= side^3
= 4^3
= 64
Therefore we can conclude that the volume of the cube is 64.
Learn more about the cube here: brainly.com/question/23096822
Emma bought a carpet for $40. Later that carpet was marked down by 20%. By how much has the value been decreased?
Answers
Answer:
$8
Step-by-step explanation:
I always take 10% first cause it's easy to do, 10% of $40 is $4, plus another 10% would make it $8
PLEASE HELP THIS IS SCIENTIFIC NOTATION AND MY TEACHER DOESNT TELL US HOW TO DO IT
1.)6.04192125276 x 10 to the 9th power
2.) 3.7837860349 x 10 to the 9th power
Answers
Answer:
1) 6041921252.76
2) 3783786034.9
Step-by-step explanation:
You move the decimal point 9 spaces to the right
How much is it 2 % from 50
Answers
Answer: 4%
Convert fraction (ratio) 2 / 5
