Answer:
A. -2
Step-by-step explanation:
f(x) is x+3.
When they add the number into the x part of f(x) they're just telling you to put that in for the equation
Since in this situation it's -5, all you have to do is add 3 to -5, which will result in -2.
:) hope this helps
We can think of 3 ÷ 1/4 as the answer to the question “How many groups of 1/4 are in 3?” What is the answer to the question
Answer: 12
Step-by-step explanation: 3*4/1 = 12/1 =12
(5, 7, 9, 11, 12, 14, 19) find the mean and median
Answer:
The mean is 7 nd the median is 8
Step-by-step explanation:
On a map with a scale of 1 inch= 100 miles, the distance between two cities is 7.55 inches. If a car travels 55 miles per hour, about how long will it take to get from one city to another.
Answer:
13.73 hours
Step-by-step explanation:
On a map with a scale of
1 inch= 100 miles
the distance between two cities is 7.55 inches.
We convert from inches to miles
1 inch = 100 miles
7.55 inches = x
x = 7.55 × 100 miles
x = 755 miles
The distance between the two cities = 755 miles
If a car travels 55 miles per hour, about how long will it take to get from one city to another?
We are to calculate the Time
Speed = Distance /Time
Time = Distance/Speed
Hence, the time is calculated as:
755 miles/55 miles per hour
= 13.727272727 hours
≈ 13.73 hours
9. Combine the radical expression, if possible.
Answer:
we conclude that:
[tex]3\sqrt{125}+4\sqrt{20}=23\sqrt{5}[/tex]
Hence, the last option i.e. [tex]23\sqrt{5}[/tex] is correct.
Step-by-step explanation:
Given the expression
[tex]3\sqrt{125}+4\sqrt{20}[/tex]
Combining the radical expressions
[tex]3\sqrt{125}+4\sqrt{20}[/tex]
let us first solve
[tex]3\sqrt{125}[/tex]
[tex]=3\sqrt{5^3}[/tex]
[tex]=3\sqrt{5^2\cdot \:5}[/tex]
Apply radical rule: [tex]\sqrt{ab}=\sqrt{a}\sqrt{b},\:\quad \:a\ge 0,\:b\ge 0[/tex]
[tex]=3\sqrt{5^2}\sqrt{5}[/tex]
Apply radical rule: [tex]\sqrt{a^2}=a,\:\quad \:a\ge 0[/tex]
[tex]=3\cdot \:5\sqrt{5}[/tex]
[tex]=15\sqrt{5}[/tex]
Thus,
[tex]3\sqrt{125}=15\sqrt{5}[/tex]
similarly solving
[tex]4\sqrt{20}[/tex]
[tex]=4\sqrt{2^2\cdot \:5}[/tex]
Apply radical rule: [tex]\sqrt{ab}=\sqrt{a}\sqrt{b},\:\quad \:a\ge 0,\:b\ge 0[/tex]
[tex]=4\sqrt{2^2}\sqrt{5}[/tex]
Apply radical rule: [tex]\sqrt{a^2}=a,\:\quad \:a\ge 0[/tex]
[tex]=4\cdot \:2\sqrt{5}[/tex]
[tex]=8\sqrt{5}[/tex]
Thus,
[tex]4\sqrt{20}=8\sqrt{5}[/tex]
so we get
[tex]3\sqrt{125}=15\sqrt{5}[/tex]
[tex]4\sqrt{20}=8\sqrt{5}[/tex]
so the expression becomes
[tex]3\sqrt{125}+4\sqrt{20}=15\sqrt{5}+8\sqrt{5}[/tex] ∵ [tex]3\sqrt{125}=15\sqrt{5}[/tex] , [tex]4\sqrt{20}=8\sqrt{5}[/tex]
[tex]=23\sqrt{5}[/tex] ∵ [tex]15\sqrt{5}+8\sqrt{5}=23\sqrt{5}[/tex]
Therefore, we conclude that:
[tex]3\sqrt{125}+4\sqrt{20}=23\sqrt{5}[/tex]
Hence, the last option i.e. [tex]23\sqrt{5}[/tex] is correct.
Question Progress
1272
Simplify the following surds
a) 18
b) 12
c) 32
Will mark brainliest answer
Answer:
___________________________________________________________
FACTS TO KNOW BEFORE SOLVING :-
To simplify a surd , ensure that the number is expressed in such a way that it is the product of factors.Try to express the number as the product of 2 or more perfect squares (if any) because it makes the process of simplifying the surd easier.___________________________________________________________
According to the question ,
a) [tex]\sqrt{18} =\sqrt{9 \times 2} = \sqrt{9} \times \sqrt{2} = 3\sqrt{2}[/tex]
b) [tex]\sqrt{12} =\sqrt{4 \times 3} = \sqrt{4} \times \sqrt{3} = 2\sqrt{3}[/tex]
c) [tex]\sqrt{32} = \sqrt{16 \times 2} = \sqrt{16} \times \sqrt{2} = 4\sqrt{2}[/tex]
The best drink at the Smoothie Shack is the Berry Blaster. It takes 3 cups of strawberries to make 2 Berry Blasters. The Smoothie Shack only has 15 cups of strawberries left.
How many Berry Blasters can the Smoothie Shack make?
Answer:
The Smoothie Shack can make 10 Berry Blaster
Step-by-step explanation:
Hope this helps or right at least. :^
(-2, -2), (3, 10)
Help
Answer:
Step-by-step explanation:
What do you need me to do? Add? Subtract? Solve?
Answer:
2.4
Step-by-step explanation:
To Find :-
SlopeSolution :-
Points are (-2,-2) and (3,10)
Therefore ,
> m = -2-10/ -2-3
> m = -12/-5
> m = 2.4
There are 24 students in a class that play basketball. If 75% are boys how many of the students are girls? Answer and Explanation.
Answer:
there are 18 boys and 6 girls
Step-by-step explanation:
Michael is a salesperson. Be sold an emerald for 637.75 and earns 8% commission. How much commission did Michael earn?
Answer:
He earns $51.02
Step-by-step explanation:
If Michael earns an 8% commission, then he is paid 8% of what he sells it for. Therefore, he earns 8% of $637.75.
Your equation is y = 0.08 × 637.75
y = 51.02
He earns $51.02
HEEEEEEELLLLLPPP MMMMEEEEE
The points (4, 2) and (9, -7) form a proportional relationship. Find the slope of the line that passes through these two points.
Answer:
the slope should be -9/5
Step-by-step explanation:
Answer:
BYE JJ IM DOING THIS UC U AND MY LIFE BYE
Step-by-step explanation:
(01.05 LC)
What is the equation in point-slope form of the line passing through (1, 2) and
(2,5)? (5 points)
A) (y - 2) = 3(x - 1)
B) (y + 2) = 3(x + 1)
C) (y - 1) = -3(x - 2)
D) (y - 2) = -3(x - 1)
If 3 – 5x = 2, then x =
3-5x=2
or, -5x=-1
or, x= 1/5
The value of x is 1/5 for equation 3 – 5x = 2
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is 3 – 5x = 2
Three minus five times of x equal to two
We need to solve for x
3 – 5x = 2
Subtract 3 from both sides
3-3-5x=2-3
-5x=-1
Divide both sides by -5
x=-1/-5
x equal to one by five
x=1/5
Hence, the value of x is 1/5 for equation 3 – 5x = 2
To learn more on Equation:
https://brainly.com/question/10413253
#SPJ2
(please help!)Abigail invested $2,900 in an account paying an interest rate of 2.8% compounded
quarterly. Assuming no deposits or withdrawals are made, how long would it take, to
the nearest year, for the value of the account to reach $4,050?
Answer:
Step-by-step explanation:
4050 = 2900 (1 + 0.028/4)^4t
4050 = 2900 (1.007)^4t
Divide all by 2900
1.3965517 = 1.007^4t
TURN LOG
log (1.3965517) = log (1.007^4t)
47.8819724 = 4t
11.9704931 = t
Round to nearest year = 12
T = 12
can someone please help me
Answer:
2. 12
Step-by-step explanation:
Marissa bought 3 movies for $9.99 each and 2 video games for $14.99 each. These prices Included tax. She gave the cashier $70.00. How much change should she receive.
Please and thank youuuu loll
Answer:
She would get back 10.05
Step-by-step explanation:
Do 9.99 times three and you get 29.97 then do 14.99 times two and you get 29.98 then add them together to get 59.95. Next subtract 70.00 from 59.95 then you get how much change she needs back
What is the circumference of a circle that has a diameter of 9cm?
Answer:
28.27
Step-by-step explanation:
C=2piR
c=(2)(3.1415926535)(4.5)
= approximately 28.27
28.27....................k?
Actually help pls people have been typing random stuff
Answer:
reading, chores, and then homework
Step-by-step explanation:
just accept it
Write y+1=3/5(x+6) in standard form
Answer:
5x + y = −29
Step-by-step explanation:
What is the volume of a spherical water balloon with a radius of 6 inches?
Answer:
288πin³
Step-by-step explanation:
Volume of a sphere is expressed as;
V = 4/3πr³
r is the radius = 6 inches
Substitute into the formula
V = 4/3π(6)³
V = 4/3π(216)
V= 864/3π
V = 288π in³
Hence the volume of the sphere is 288πin³
can someone solve this for me.
(25x - 15)°
What is the value of x
Answer: 5x-3
Step-by-step explanation:
(25x-15)
25/5x-15/5
5x-3
Answer:
5x-3?
Step-by-step explanation:
Susan's fish tank has 16 liters of water in it. She plans to add 4 liters per minute until the tank has at least 64 liters. What are the possible numbers of minutes Susan could add water?
Use t for the number of minutes.
Write your answer as an inequality solved for t.
Answer:
64
Step-by-step explanation:
cause I did it in classs
i cant seem to understand this. please explain :))
(business math)
Answer:
$1.50 bro
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Using the chart, it shows the total amount that the retailer (the chip company) spends to make each bag of chips. We're looking at the $3 chip bag, so looking we can see that it costs the company $1.00 for each bag. If it costs $1 to make and it sells for $3, the profit is $2. This chart makes it easy because it calculates the total charts for you.
Part C: With which club did Bruce hit the greatest distance? What was the distance in feet?
Answer:
Bruce hit the farthest distance with the driver. The distance was 576 feet.
Step-by-step explanation:
Bruce hit the farthest distance with the driver because he had the most distance with the driver club and the distance was 576 feet .
Answer:
Bruce hit the shortest distance with the 9 iron. The distance was 297 feet.
Evaluate the expression for n=-4
n-1
Answer:
Step-by-step explanation:
Step 1: Add 4n to both sides.
n+4n=−4n−1+4n
5n=−1
Step 2: Divide both sides by 5.
5n
5
=
−1
5
n=
−1
5
The price of an item yesterday was $160 today price fell $136 find the percentage decrease
Answer:
15%
Step-by-step explanation:
you just subtract it and convert it to percentWhat is the value of x in the equation x-7=11
Complete the factored form of the linear expression 21x + 14y = ( ) ( + )
Answer:
21x+14y
=7(3x+2y) taking common 7
A line has a slope of – determine the slope of a parallel line, a perpendicular line, and a
line that is neither parallel or perpendicular.
Answer:
Where is the slope
Step-by-step explanation:
you don't show any example so how could i help.