Answer:
9e
Step-by-step explanation:
If e is a variable without a value then 5e*4e is 9e.
Which of the following expressions represents “5% of a number”?
A. 5n
B. 0.5n
C. 0.05
D. 500n
Answer:
b
Step-by-step explanation:
2x + 7y =3 what is x and what is y
2x + 7y = 3
2x = 3 - 7y
x = [tex]\frac{3x-7}{2}[/tex]
2x + 7y = 3
7y = 3 - 2x
y = [tex]\frac{3 - 2x}{7}[/tex]
y=10-13
what is the solution for y?
Answer:
-3
Step-by-step explanation:
10 minus 13 is negative 3.
Suppose that out of 20% of all packages from Amazon are delivered by UPS. 15% of the packages that are delivered by UPS weighs 2 lbs or more. Also, 7% of the packages that are not delivered by UPS weighs less than 2 lbs. a. What is the probability that a package is delivered by UPS if it weighs 2 lbs or more
Answer:
0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]
In which
P(B|A) is the probability of event B happening, given that A happened.
[tex]P(A \cap B)[/tex] is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: It weighs 2 lbs or more
Event B: Delivered by UPS
15% of the packages that are delivered by UPS weighs 2 lbs or more.
This means that [tex]P(A \cap B) = 0.15[/tex]
More than 2 lbs:
15% of 20%(UPS)
93% of 80%(Not delivered by UPS). So
[tex]P(A) = 0.15*0.2 + 0.93*0.8 = 0.774[/tex]
a. What is the probability that a package is delivered by UPS if it weighs 2 lbs or more
[tex]P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.15}{0.774} = 0.1938[/tex]
0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more
Solve for x: -3x +10 = 31
Answer:
x= -7
Step-by-step explanation:
-3x=21 . subtract 10 from 31
then you divided by 3
x= -7
What is the value of the digit 9 in 71.92
Answer:
.90
Step-by-step explanation:
?
The measure of an angle is 8º. What is the measure of its complementary angle?
HELPPP plzz
Answer:
82 degrees
Step-by-step explanation:
Complementary angles add up to 90 degrees. if one angle is 8 then,
90-8=82
Please help me !!!!!!!!!!!!!!!
10 PTS
NEED HELP ASAP
Answer:
C (3x2)x8+7
Step-by-step explanation:
A laptop is bought for $1380 VAT inclusive. If VAT was charged at 15%, what
is the price of the laptop exclusive of VAT?
Answer:
vat=15%
selling price with vat=$1380
selling price with out vat=?
we have
selling price with vat=$1380
selling price with out vat+vat%of selling price with out vat =$1380
selling price with out vat(1+15/100)=$1380
selling price with out vat=$1380/1.15=$1200
molly is comparing two different food companies to provide food for her banquet. The total cost, y, includes a one-time delivery fee and an additional fee based on the number of people, x, who attend the banquet. What is the cost per person for Company A
Answer:
x
Step-by-step explanation:
the variable that represents the cost per person is x
The cost per person for company A is given as: [tex]C = \dfrac{y-d}{x}[/tex] where C is cost per person and d is one time fixed delivery fee.
How to form mathematical expression from the given description?You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.
For this case, let we take:
C = cost per person for company Ad = one-time delivery feeWe're given that:
y = total cost x = number of people, who attend the banquet.That means, as C is cost per person, so for x persons, it will be [tex]C \times x[/tex]
Thus, total cost = cost for x persons + delivery cost
or
[tex]y = C \times x + d\\\\[/tex]
Subtracting 'd' from both sides and then dividing both sides by 'x', we get
[tex]C = \dfrac{y-d}{x}[/tex]
Thus, the cost per person for company A is given as: [tex]C = \dfrac{y-d}{x}[/tex]where C is cost per person and d is one time fixed delivery fee.
Learn more about forming equations here:
https://brainly.com/question/11938672
What is the value of F(x)=3X^2 + 4 when x = -3
Answer:
31
Step-by-step explanation:
f(-3)= 3(-3)2+4= 3(9)+4= 27+4= 31
if my answer helps please mark as brainliest
Choose the graph of the inequality - 3 > ..
Choose 1 answers
5
.4
-3
2
1
0
1
2
3
4
5
2
1
0
1
2
3
4
5
CO
-3
2.
0
1
3
4
5
Answer: 5
Step-by-step explanation: 5 isn’t equal to all
Need help with this question
Answer:
Yes
5 Mins
7 blocks from home
Step-by-step explanation:
6- 1 Minute = 5 mins
Slower speed = Return Speed (Speed that took more time)
A restaurant chef made 4 1/2 pints of mushroom soup Each bowl of soup holds 1/2 of pint. How many bowls of soup will.the chef be able to fill?
Answer:
4 2/4
Step-by-step explanation:
4 1/2 + 1/2 = 4 2/4
i just added em up
Answer:
Step-by-step explanation: 4 1/2 pints / 1/2 pint/ bowl = (9/2) / (1/2) = 9/2 pints x 2 bowl/pint = 18/2 bowls = 9 bowls. QED.
A line has a slope of 1 and passes through the point (8, 1) . What is its equation in slope -intercept form?
Answer:
Step-by-step explanation:
y - 1 = x - 8
y = x - 7
4x – 2y = 10
у=-2x-1
Answer:
I love algebra
The ans is in the picture
(hope it helps can i plz have brainlist :D hehe)
Step-by-step explanation:
Answer:
Step-by-step explanation:
4x - 2(-2x - 1) = 10
4x + 4x + 2 = 10
8x + 2 = 10
8x = 8
x= 1
y = -2(1) - 1
y = -2 - 1
y = -3
(1, -3)
-8=1/2(-4)+b what is b
Answer: -6
Step-by-step explanation:
Answer:
B = - 6
Step-by-step explanation:
Multiply the numbers
[tex]-8=\frac{1}{2} (-4)+b\\-8=-2+b\\[/tex]
Rearrange terms
[tex]-8=-2+b\\-8=b-2[/tex]
Add 2 to both sides of the equation
[tex]-8=b-2\\-8+2=b-2+2[/tex]
Simplify
Add the numbers
Add the numbers
Move the variable to the left
[tex]b=-6[/tex]
Pls help me
A) 54
B) 108
C) 3
D) 18
The answer is 54 I believe.
cause 9 × 6 is 54.
Chapter 18 Review nswer the following problems. Daniel has 7 trophies he has won playing soccer. How many different ways can he arrar them in a row on his bookshelf?
Check for understanding:
Use < or > to compare the following: 45.112_45.15 (Explain your answer)
Answer:
you use the < sign because 45.112 is less than 45.15
Step-by-step explanation:
What is the estimate for each expression? Drag the number to each box.
011/2
Expression Estimate
1
8
+
2
5
13
14
−
1
10
1
12
+
1
20
Given the following expression:
[tex]\frac{1}{8} + \frac{2}{5}[/tex][tex]\frac{13}{14} -\frac{1}{10}[/tex][tex]\frac{1}{12} + \frac{1}{20}[/tex]To determine an estimate for each expression:
What is a fraction?A fraction can be defined as a numerical quantity that is not expressed as a whole number. Therefore, a fraction is simply a part of a whole number.
The parts of a fractionGenerally, a fraction comprises two (2) main parts and these include:
Numerator: it's the upper part of a fraction.Denominator: it's the lower part of a fraction.In this exercise, we would simplify and estimate the given expressions as follows:
Note: An estimate simply means an approximate value.
a. [tex]\frac{1}{8} + \frac{2}{5}=\frac{5+16}{40}=\frac{21}{40}[/tex]
For the estimate:
[tex]\frac{1}{8} + \frac{2}{5}=\frac{1}{2}[/tex]
b. [tex]\frac{13}{14} -\frac{1}{10}=\frac{130-14}{140} =\frac{116}{140} =0.83[/tex]
For the estimate:
0.83 ≈ 1
c. [tex]\frac{1}{12} + \frac{1}{20}=\frac{5-3}{60} =\frac{2}{60} =0.03[/tex]
For the estimate:
0.03 ≈ 0
Read more on fractions here: https://brainly.com/question/368260
Joan is 66 inches tall.What is Joans height in feet?
Answer: 5 feet 6 inches.
Step-by-step explanation:
12 inches = 1 foot
We can divided 66 by 12 to find how tall Joan is in feet.
66 ÷ 12 = 5.5
The term "0.5" means half, and there are 12 inches in a foot. So half of a foot would mean 6, so Joan's height would be 5 feet and 6 inches.
Joan is 66 inches tall, then the height of Joan in feet will be equal to 5.5 feet.
What is Unit conversion?Multiplying or dividing by a numeric number, or more specifically, a correction factor, is a procedure comprising several steps known as conversion.
Rounding and choosing the appropriate number of significant digits may also be necessary steps in the procedure.
As per the given information in the question,
The given height of Joan = 66 inches
So, let's perform unit conversion,
1 foot = 12 inches, so,
x foot = 66 inches
Use cross-multiplication,
12x = 66 × 1
x = 66/12
x = 5.5 feet.
To know more about Unit conversion:
https://brainly.com/question/19420601
#SPJ6
Walter makes a cable
payment of $84
each month.
Which table represents
the
relationship between m, the
number of months, and c, the
amount he has paid for cable
for that length of time?
-2/22/21, please answer by 2/25/21
Answer:
The answer is A.
Step-by-step explanation:
Hans spent three days baking 224 cookies. on the second day, he baked twice as many as he did on the first day. On the third day, he baked half as many as he did on the first day. how many cookies did he bake on the second day?
Answer:
She baked 32 cookies the first day, and 32*2=64 the second day.
Step-by-step explanation:
What is the solution to the system of linear equations graphed below?
Answer:
Step-by-step explanation:
The solution is the point where the lines intersect! (3.5,-4)
A parallelogram is formed by the supports that
attach a basketball backboard and rim to the wall.
The angles change as the basketball apparatus is
taken out and put away. Find mZBCD when
m ZDAB = 320
Answer:
[tex]m\angle BCD = 32^{\circ}[/tex]
Step-by-step explanation:
Given
[tex]m\angle DAB = 32^{\circ}[/tex]
See attachment for basketball blackboard
Required
Find [tex]m\angle BCD[/tex]
In the attachment:
[tex]m\angle BCD[/tex] and [tex]m\angle DAB[/tex] are opposite angles
And in a parallelogram, opposite angles have the same measure.
This implies that:
[tex]m\angle BCD = m\angle DAB = 32^{\circ}[/tex]
So:
[tex]m\angle BCD = 32^{\circ}[/tex]
Ren sets aside $1,000 into an online savings account with an annual
interest rate of 2.3%, compounded annually. How long will it take for the
money in his account to double?
Answer:
It will take 30.48 for the money in his account to double.
Step-by-step explanation:
Interest compounded anually:
With an investment of P, the amount compounded annualy after t years that you will have is given by:
[tex]A(t) = P(1+r)^{t}[/tex]
In which r is the interest rate, as a decimal.
Ren sets aside $1,000 into an online savings account with an annual interest rate of 2.3%
This means that [tex]P = 1000, r = 0.023[/tex]. So
[tex]A(t) = P(1+r)^{t}[/tex]
[tex]A(t) = 1000(1+0.023)^{t}[/tex]
[tex]A(t) = 1000(1.023)^{t}[/tex]
How long will it take for the money in his account to double?
This is t for which A(t) = 1000*2 = 2000. So
[tex]A(t) = 1000(1.023)^{t}[/tex]
[tex]2000 = 1000(1.023)^{t}[/tex]
[tex](1.023)^{t} = \frac{2000}{1000}[/tex]
[tex](1.023)^{t} = 2[/tex]
[tex]\log{(1.023)^{t}} = \log{2}[/tex]
[tex]t\log{1.023} = \log{2}[/tex]
[tex]t = \frac{\log{2}}{\log{1.023}}[/tex]
[tex]t = 30.48[/tex]
It will take 30.48 for the money in his account to double.
Helllpppppp it’s due tomorrow plssss
Answer:
A-B= 1/4 inch
A-G= 3-3/4 inch
A-D= 3/4 inch
A-K= 4-3/4 inch
A-I= 1-3/4 inch
A-E 1 inch
A-J= 3 inch
A-L= 4-1/4 inch
A-F= 2-1/4 inch
A-H= 1-1/2 inch
A-C= 1/2 inch
A-M= 5-3/4 inch
Step-by-step explanation:
Please help Solve 3(x+3)=39
Answer:
x=10
Step-by-step explanation:
Answer:
Step-by-step explanation:
3(x+3)=39 first you distribute the the then you get 3x+9=39 then you subtract so then you have 3x=30 then divide 30 by 3 and you have 10! hoped it helped some. ( the answer is x=10)