Answer:
True
Step-by-step explanation:
y=5x-7
-3x-2y=-12
Find x
Answer:
11/6=x
Step-by-step explanation:
System of Linear Equations entered :
[1] y=5x-7
[2] -3x-3y=-12
Equations Simplified or Rearranged :
[1] y - 5x = -7
[2] -3y - 3x = -12
Graphic Representation of the Equations :
-5x + y = -7 -3x - 3y = -12
Solve by Substitution :
// Solve equation [1] for the variable y
[1] y = 5x - 7
// Plug this in for variable y in equation [2]
[2] -3•(5x-7) - 3x = -12
[2] - 18x = -33
// Solve equation [2] for the variable x
[2] 18x = 33
[2] x = 11/6
// By now we know this much :
y = 5x-7
x = 11/6
// Use the x value to solve for y
y = 5(11/6)-7 = 13/6
Solution :
{y,x} = {13/6,11/6}
Given that f(x) = x/2 +5,
a) Find f(2)
b) Find f^-1(x)
c) Find f^-1(5)
Answer:
f(2)=6
f^-1(x)=2x-10
f^-1(5)=0
hope it helps
Evaluate
(-8) 2
31
Write your answer as a fraction in simplest form.
Answer:
in simplest form=81/64
decimal=1.265625
Simplify each expression by combining like terms 4x+7x=
Answer:
11x
Step-by-step explanation:
Bob bought 24 hockey tickets for $83. Adult tickets cost $5.50 and child tickets cost $2.00. How many child tickets did he buy?
Answer:
14 kid tickets
10 adult tickets
Step-by-step explanation:
2.00*14=28
5.50*10=55
55+28=83
SMART PPL PLEASE HELP ,Explain how you know the expression represents the area of shaded part of the rectangle.
Answer:
6(m-2)
Step-by-step explanation:
Alright. Let's start by finding the length of this shaded area. The full length of the rectangle is 'm', and the part that is not shaded has a length of '2', so if we subtract the full length and the non-shaded length, we will get the shaded part's length. This is 'm-2'. The width/height we already know...it is 6, so-
Answer is: 6(m-2)
Answer:
6(m-2)
Step-by-step explanation:
it is 6(m-2) because you would do the whole length of m minus 2.
It’s a quadrilateral parallelogram. Solve for x
You are dealt one card from a 52-card deck. Find the probability that you are dealt a King or a spade.
Answer:
to get a king you have a 4 out 52 chance
and to get a spade you have a 13 out of 52
Step-by-step explanation:
As a mixed number in its simplest form :)
4 1/2 ÷ 3/5
Answer:7.5
Step-by-step explanation:
Answer:
7 1/2
Step-by-step explanation:
Gavyn drives at a speed of 50 miles per hour how long will it take to drive 225 miles
Answer:
:4.5 hoursStep-by-step explanation:225 divided by 50 = 4.5
Answer:
its 4 hours and 30 minutes
Step-by-step explanation:
if 50 is equvalemt to 1 hour then 225 divide by 50 then the answer was 4.5 and the 4.5 is equal to 4 hours and 30 minutes
mark me
please solve using a2 + b2 = c2
show your work please :)
Answer:
127.3 feet
Step-by-step explanation:
Using the Pythagorean Theorem, you would start with 90² + 90² = __²
90² = 8,100
8,100 + 8,100 = 16,200
Now you have to square root 16, 200
√16,200 = 127.27922...
Rounded to the nearest tenth is: 127. 3 ft
The segments shown below could form a triangle.
Answer:
True. It could. Sorry my answer just has to be 20 characters long
A bowling alley charge $6 for shoe rental and $2 for each game. Write an equation that represents this situation.
Answer:
6+2x
Step-by-step explanation:
6 for the shoes
2 for a game
x for however many games are played
1/3 x 2/3, Please help me with this, I am struggling.
Answer:
2/9
Step-by-step explanation:
i search it up
Find the value of
p (2) - P(-1) in p (X) = x^2- 4x + 3
Answer:
The answer is - 9
Step-by-step explanation:
[tex]( {2}^{2} - 4 \times 2 + 3) - ( { - 1}^{2} - 4 \times - 1 + 3 \\ = - 9[/tex]
If the density of a piece of wood is 0.85 g/cm3, what is the volume if the mass of 24.99 cm3?
Answer:
to find volume
Step-by-step explanation:
I think so it is like this 24.99/0.85 =29.4
2 + x = 19
what does x equal
Answer:
x = 17
Step-by-step explanation:
2 + x = 19
Subtract 2 on both sides to isolate the variable
2 - 2 + x = 19 - 2
x = 17
Check
We can check by distributing the "x" with 17 since thats what we got as the value.
2 + x = 19
2 + 17 = 19
19 = 19
CORRECT
Hope this helped!
Have a supercalifragilistix = 17cexpialidocious day!
Answer:
it's 17 I think if I'm not mistaking
Help meh- im d u m b
Answer:
[A] 0Explanation:
Lines of symmetry; A line that cuts a shape exactly in halfIf you were to put a line of symmetry down and fold the shape in half on that line, both halves would match exactly.
If you were to put a line of symmetry down on this triangle both sides would not match, therefore there are no lines of symmetry.There are zero lines of symmetry, therefore your answer is [A] 0Raphael deposited $6,500 in an account that pays 4.25% interest, compounded annually. He left the money in the account for 4 years, without depositing money to it or withdrawing money from it.
At the end of the 4 years, how much interest in dollars and cents did the account earn? help asap
Answer:
$1105
Step-by-step explanation:
First, converting R percent to r a decimal
r = R/100 = 4.25%/100 = 0.0425 per year,
then, solving our equation
I = 6500 × 0.0425 × 4 = 1105
I = $ 1,105.00
The simple interest accumulated
on a principal of $ 6,500.00
at a rate of 4.25% per year
for 4 years is $ 1,105.00.
together teammates Pedro and Ricky got 2666 base hits last season Pedro had 276 more hits than Ricky how many hits do each player have
HELPPP PLEASE
a recreation center has a batting cage with a machine that pitches balls to the batter for friends sign up for a 1/2 hour of time in the batting cage if they share the 1/2 hour equal how much of a whole hour will each friend get in the batting cage
Answer:
7.5 minutes
Step-by-step explanation:
well 30 minutes is 1/2 hour so just take 30 and divide it by 4 to get 7.5 minutes. or 7 minutes 30 seconds.
guys please help i don’t think i’m going to pass this .. this is due right now help. i’ll give brainlest.
Answer:
letter a!
Step-by-step explanation:
Give two ways to write the expression as a phrase.
$4w$
Answer: 4^1 or 4^1w
Step-by-step explanation:
There is 4 and one w therefore, you have 4^1 or, 4^1w
I NEED HELP!!! You deposit $1,500 in an account earning 2.75% simple interest. How long will it take for the balance of the account to be $1,995?
Cristal had $157 in her checking account. She then made a deposit of $160. Find her new account balance.
Answer:
$317
deposit: add
157+160= 317
Unit Cost for 500
Which is the better buy? Find each unit cost.
A 12-oz box of Honeycomb cereal for $4.32
Or
Chea
moviex:
COMB
A 16-oz box of Cheerios for $5.92
plz help fast will mark brainliest!!!!
Answer:
the term is minus 1/4 so it would be 3, 2 3/4, 2 2/4.
you invest 10000 that will earn 8.3% every year how much will you earn in 12 years.
Answer:
$16034.03
Step-by-step explanation:
I'm going to assume it's compound interest
10000(1+.083)^12
26034.03
subtract the original amount to find out how much was earned
26034.03-10000=16034.03
Answer:
$9960 would be earning in 12 years
Step-by-step explanation:
8.3% of 10,000 is 830
1% of 10,000 is 100
.3 would just be 30
.4 would be 40
etc etc
so 830 times 12(years) is $9960.00
What is the area of a circle with a radius of 13 feet?
Answer:
530.93ft²
Step-by-step explanation:
Which expression is equivalent to this expression? (41-6) 4
Answer:
35x4
Step-by-step explanation:
do the equation in the parenthesis to simplify it