Answer:
Round up all costs
Least expensive: $6
Most expensive: $13
Half (half of 12 people is 6) ordered $10 calculators so 6x10=$60
Other half
(6+13)/2= $9.5 round up to $10 so 6x10=$60
$60 + 60=$120 best estimate $125
Step-by-step explanation:
The required, best estimate of the amount spent on calculators is $125. Option A is correct.
What is rounding of values?The rounding of values is superseding a number with an inexact value that has a more ephemeral, more uncomplicated, or more direct representation.
Since half of the twelve people ordered a calculator costing $9.95, there are 6 such people. Let the remaining 6 people have ordered the cheapest calculator, which costs $5.95. Then the total amount spent on calculators is:
6 x $5.95 + 6 x $9.95 = $35.70 + $59.70 = $95.40
However, we also need to take into account the possibility that some people may have ordered more expensive calculators. We know that the most expensive calculator costs $12.95, so let's assume that all 12 people ordered this calculator. Then the total amount spent on calculators would be:
12 x $12.95 = $155.40
Since the actual amount spent is somewhere between $95.40 and $155.40, the best estimate of the amount spent on calculators is around the midpoint of these values:
($95.40 + $155.40) / 2 = $125.40
Therefore, the best estimate of the amount spent on calculators is $125.
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Two bottles of honey are compared,one costs R89,99 for 530g and the other. R59,99 for 375g.Which one is cheaper
follow the picture this is confusing
Step-by-step explanation:
This is a familiar conversion problem:
[tex]3.3 \times {10}^{2} lightyears \times \frac{5.9 \times {10}^{12} miles}{1 \: lightyear} [/tex]
[tex] = 1.95 \times {10}^{15} \: miles[/tex]
Answer:
see below
Step-by-step explanation:
3.3 × 10^2 light years
one light year is 5.9 × 10^12 miles
you need to multiple these two values
3.3 × 10^2 light years × 5.9 × 10^12 miles/light year =
= (3.3 × 5.9) × 10^2 × 10^12
= 19.47 × 10^(2 + 12)
= 1.947 × 10^1 × 10^14
= 1.947 × 10^15 miles
What is the solution 5x-15=-25
Answer:
x= -2
Step-by-step explanation:
MARK AS BRAINLIEST!!
Answer: -2
Step-by-step explanation: -2 times 5 is -10. -10-15=-25
192=6000(.02(8/5-4Y)+.08y)
solve for y
Given:
The equation is:
[tex]192=6000\left(0.02\left(\dfrac{8}{5}-4y\right)+0.08y\right)[/tex]
To find:
The value of y.
Solution:
We have,
[tex]192=6000\left(0.02\left(\dfrac{8}{5}-4y\right)+0.08y\right)[/tex]
On simplification, we get
[tex]192=6000\left(0.02\times 1.6-0.02\times 4y+0.08y\right)[/tex]
[tex]192=6000\left(0.032-0.08y+0.08y\right)[/tex]
[tex]192=6000\left(0.032\right)[/tex]
[tex]192=192[/tex]
Since LHS=RHS and the equation is free from the variable y, therefore the given equation is true for all real values of y.
Hence, all real values of y are solutions.
find the volume of each figure. no links pls.
Answer:
For number one do 13+13 and then 21+21 and 8+8 so you would get 16 for 8+8 and 21+21 is 41 so 41+16 is 57 and then 13+13 is 26 so 57+26 and then your answer is going the be the volume
Simplify (5m - 4)2 using the square of a binomial formula.
A) 5m2 - 20m - 4
B) 25m2 – 40m + 16
C) 25m2 + 40m + 16
D) 5m2 – 40m + 4
Answer:
[tex]25m^{2} -40m+16[/tex]
Step-by-step explanation:
Rewrite (5m−4)^2 as (5m−4)(5m−4).
Expand (5m−4)(5m−4) using the FOIL Method.
[tex]25m^{2} -40m+16[/tex]
What is the volume, in cubic inches, of a rectangular prism with a height of 19 inches,
a width of 8 inches, and a length of 17 inches?
Answer:
2584
Step-by-step explanation:
height of 19 inches,
a width of 8 inches, and a length of 17 inches
17 times 19 times 8
Need help!!!!!!!!!!!! Struggling
A = 28.26 sq yds
Step-by-step explanation:
diameter (D) = 6 yds
radius (r) = D/2 = 3 yds
A = πr^2
= (3.14)(3 yds)^2
= 28.26 sq. yds
Write the ratio of corresponding sides for the similar triangles and reduce the ratio to lowest terms.
ETIH
12
5
15
a.
12
4
5
15
5
b.
4
5
4
15
12
15
C.
4
5
1
12
10
3
d.
15
5
5
m
4
--
12
4
Answer: the answer is C
Step-by-step explanation: because
Help please I don’t know what to do and I need to pass this class to be able to graduate
9514 1404 393
Answer:
3 line segmentstriangleStep-by-step explanation:
What to do:
read the questiondo what it says__
When you plot 3 points, A, B, C, you can join them 3 ways: AB, AC, BC. The three line segments make a triangle
How to find the area of a triangle using trig
Hope this helps you out in your journey for the test
Which graph best represents the equation x^2 + (y-1)^2=3? (Refer to picture)
Answer:
the smallest circle one
center => (0,1)
radius = √3 = 1.73
Graph C best represents the equation x² + (y-1)²=3². The given equation is compared by the standard equation to form a graph.
What is the equation for a circle centered at (x,y) with a radius of r units?If a circle O has a radius of r units and its center is at (h, k) in the coordinate plane, then its equation is:
(x-h)^2 + (y-k)^2 = r^2
The given data equation is;
x² + (y-1)²=3²
Compare the standard equation with the given equation, we get;
h=0
k=1
r=3
Graph C best represents the equation x² + (y-1)²=3².
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Avery invested $200 in an account paying an interest rate of 6 7/8%
compounded continuously. Jeremiah invested $200 in an account paying an
interest rate of 6 5/8% compounded quarterly. To the nearest hundredth of a
year, how much longer would it take for Jeremiah's money to triple than for
Avery's money to triple?
Answer:
15
Step-by-step explanation:
Please help me I would appreciate it a lot
Answer:
Juan can consume 2.22 calories per day
Step-by-step explanation:
[tex]68.820 \div 31 \: day \: month \: \\ \\ = 2.22[/tex]
speeeeeeeeeeeddddddddddddddddd (might give brainlest
Answer:
6
Step-by-step explanation:
6 times 6 is 36 and the formula for area is
lxw(Length times width)
Help with 19 please
Answer:
Plot a point at (0,5) the plot a point at (1,8) (2,11) etc...
Step-by-step explanation:
la
You spend some time in the kitchen making sure the recipe is just right for
the cooking show. You spend 2 3/4 hours baking and half of an hour
cleaning up the kitchen. How much time were you in the kitchen?
PLEASE HELP IM IN MY FINALS I WILL GIVE BRANLIEST Find the slope of the line through each pair of points. (-8, 15),(-1,9)
The table below shows the possible outcomes of rolling a six-sided number cube and flipping a coin.
what is the probability of getting a number less than 3 and tails
A. 1/12
B. 1/6
C.1/4
D. 1/3
Answer:
c is the correct answer but i am not sure
Sara drove 96 miles on 3.2 gallons of gas. How many miles can Sara drive on 12.5 gallons of gas
Answer:
375 miles
Step-by-step explanation:
Create a proportion where x is the number of miles she can drive on 12.5 gallons of gas:
[tex]\frac{96}{3.2}[/tex] = [tex]\frac{x}{12.5}[/tex]
Cross multiply and solve for x:
3.2x = 1200
x = 375
So, with 12.5 gallons of gas, Sara can drive 375 miles
can someone help me find x
Answer:
x = 5
Step-by-step explanation:
Since this shape is a quadrilateral, the sum of the interior angles is 360.
Equation:
81 + 20x - 16 + 15x + 30 + 16x + 10 = 360
51x + 105 = 360
51x = 360 - 105
51x = 255
x = 5
deduct for thousand eleven hundred and a half from twelve thousand twelve hundred and twelve
Answer:
8111.5
Step-by-step explanation:
Deduct for thousand eleven hundred and a half from twelve thousand twelve hundred and twelve
Rewriting the above question in figure :
4000 + 100 + 0.5 = 5100.5
12000 + 1200 + 12 = 13212
13212 - 5100.5 = 8111.5
= 8111.5
What is the approximate measure of angle G?
Answer:
m∠G ≈ 41°
Step-by-step explanation:
The value of angle G will be approximately 41.4 °
What is law of cosine ?The square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.
c² = a² + b² - 2ab cos[tex]\rm \gamma[/tex]
Here in triangle EFG ,
To find angle G
a = 12
b=10
c=8
8² = 12² + 10² - 2*12*10 cos[tex]\rm \gamma[/tex]
64 = 144 + 100 -240 cos [tex]\rm \gamma[/tex]
64-244 = -240 cos[tex]\rm \gamma[/tex]
-180 = -240 cos[tex]\rm \gamma[/tex]
180/240 = cos [tex]\rm \gamma[/tex]
3/4 = cos [tex]\rm \gamma[/tex]
Therefore angle G will be approximately 41.4 °
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What is the volume of the cube shown below?
Find the area of the following
triangle:
Heln Porum
5 cm
10 cm
A= [?] cm?
Enter the exact answer as a decimal.
Enter
Answer:
11.180339887498cm or 11.2cm
Step-by-step explanation:
Using pythagoras- a² + b² = c²
Therefore 5² + 10² = 125²
Root of 125 will be the answer
Answer:
The given triangle is right angled triangle, which means that
Area - [tex]\frac{1}{2}×base×height[/tex]
[tex]\frac{1}{2}×5×10[/tex] 5×5Area= 25cm²Are the events independent??
Best answer gets brainliest!!!
Answer:
C
Step-by-step explanation:
two events are independent if you can mulitply them to find their intersection
.5*.36= .18 which is obviously not .2
therefore they're not independent because they're not eqaul
There were 3 chihuahuas at the dog park last Saturday, along with 9 other dogs. Considering this data, how many of the next 20 dogs to arrive at the park next Saturday should you expect to be chihuahuas?
Answer:
5
Step-by-step explanation:
Since there are 3 chihuahuas out of 12 dogs IN TOTAL (which includes the 9 other dogs), the ratio is 1:4, or 1/4.
Assuming this ratio is consistent, (1/4)*20 is 5.
In conclusion, you can expect there to be 5 chihuahuas out of the next 20 dogs to arrive at the park.
Hope it helped, and have a beautiful day/night! <3
A combined total of $53,000 is invested in to two bonds that pay 2% and 8.5% simple interest. The annual interest is %3,335. How much is invested in each bond?
Solve the system of equations.
9x+11y=2
3x+4y=4
Answer:
X= -12 Y=10
Step-by-step explanation:
The solution is, Solve of the system of equations.
9x+11y=2 & 3x+4y=4 is, x = -12 & y =10.
What is equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
here, we have,
given that, the system of equations.
9x+11y=2 .......(1)
3x+4y=4 ...........(2)
now, for solving, multiply (2) by 3 & subtract from (1),
we get,
9x + 11y = 2
9x + 12y = 12
---------------------
y= 10
from (1), we get, x = -12
Hence, The solution is, Solve of the system of equations.
9x+11y=2 & 3x+4y=4 is, x = -12 & y =10.
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Solve these 2 parts please. 1 by 1 solve these two.