Answer:
1. 5x + 8
2. 11x + 10
Step-by-step explanation:
1. 2x + 1 + 3x + 7
Combine like terms:
2x + 3x + 1 + 7
Add coefficients
5x + 8
2. 5x + 2(3x + 5)
Distribute the 2 by multiplying by each term inside the parentheses:
5x + 6x + 10
Combine like terms by adding coefficients
11x + 10
A triangle has sides with lengths of 5 centimeters, 12 centimeters, and 15 centimeters. Is it a right triangle
Answer:
No
Step-by-step explanation:
You use the Pythagorean Therom and square your legs (5 and 12) and your hypotenuse (14) it would add up to 25+144=196.
This is not true since 144+25 is 169, not 196
Answer:
No, it is not a right triangle.
Step-by-step explanation:
You can determine whether a triangle is a right triangle by using the pythagorean theorem.
a^2 + b^2 = c^2
c will always be the longest side of the triangle, so in this case you need to substitute 5 and 12 in for a and b and see if it simplifies to 15.
5^2 + 12^2 = c^2
25 + 144 = c^2
c^2 = 169
c = 13
C would be 13, not 15, so the triangle is not a right triangle
Hope that helps! :))
In the equation you wrote in part A, which is the independent value and which is the dependent value? this is edmentum in expressions and equations
Answer:
i dont know but i think 12 points
Step-by-step explanation:
sorry ive been stressed outwhat's
[tex]4 + 8 \div 2[/tex]
Answer:
[tex]4 + 8 \div 2 \\ 12 \div 2 \\ 6[/tex]
Rafael needs to read 3 novels each month.
Let N be the number of novels Rafael needs to read in M months.
Write an equation relating N to M. Then use this equation to find the number of novels Rafael needs to read in 13 months.
Answer:
n×m= number of books read
3×13= 39 books
Step-by-step explanation:
Using substitution for the original equation with m and n, you can find the number of books read by plugging in the numbers in place of the variables.
Find the value of x.
SO
3x + 7
3xt7H60t60=180
3x+ 147=180
- 147
(
Olanda, Linda and Roberta each bought a bag of chips at a concession stand, and Marsala bought a cookie. Problem: audio What decimal is equivalent to the fraction of the girls who bought chips? Enter your answer in the box.
Answer:
0.75
Step-by-step explanation:
Given
[tex]Chips=\{Olanda, Linda, Roberta\}[/tex]
[tex]Cookies=\{Marsala\}\\[/tex]
Required
Equivalent of those that bought chips
From the question, 3 out of the 4 girls bought chips.
So, the fraction is:
[tex]Chips = \frac{3}{4}[/tex]
Express as decimal
[tex]Chips = 0.75[/tex]
Hence: the decimal equivalent is 0.75
A savings account pays interest at a rate of R% per year.
Jack invests £5500 in the account for one year.
At the end of the year, Jack pays tax on the interest at a rate of 40%.
After paying tax, he gets £79.20.
Work out the value of R
Answer:
.
Step-by-step explanation:
Answer:
2.4%
Step-by-step explanation:
79.20/0.6=132
132/5500*100=24%
Rodrigo and Melissa went to the art supply store to buy drawing materials. Rodrigo bought 10
pencils and 7 felt-tip markers for a total of $19.00. Melissa bought 3 pencils and 5 felt-tip markers
for a total of $10.05. Which of the following systems of equations could be used to determine
the cost of one pencil, P, and one felt-tip marker, m?
Answer:
10P + 7m = 19 .......... 1
3P + 5m = 10.05 .......... 2
Step-by-step explanation:
Let the cost of pencil be represented by P, and felt-tip by m. So that;
Rodrigo bought 10 pencils and 7 felt-tip at the cost of $19.0.
⇒ 10P + 7m = 19 .......... 1
Melissa bought 3 pencils and 5 felt-tip at the cost of $10.05.
⇒ 3P + 5m = 10.05 .......... 2
From equations 1 and 2,
10P + 7m = 19 .......... 1
3P + 5m = 10.05 .......... 2
Multiply equation 1 by 3, and 2 by 10 to have;
30P + 21m = 57 ......... 3
30P + 50m = 100.5 ....... 4
Subtract equation 3 from 4,
30P - 30P + 50m - 21m = 100.5 - 57
29m =43.5
m = [tex]\frac{43.5}{29}[/tex]
= 1.5
m = 1.5
Substitute the value of m in equation 2,
3P + 5m = 10.05 .......... 2
3P + 5(1.5) = 10.05
3P = 7.5 = 10.05
3P = 3
P = 1.0
Thus, the cost of a pencil is $1.0 and that of a felt-tip is $1.5.
what is the length of 5cm
Answer:
1.9685
Step-by-step explanation:
If you are thinking in inches and if you need to simplify its pretty easy.
Somebody help me plss
Answer:
6)B 7)C 8)B 9)D 10)c
Step-by-step explanation:
i think i did them all correct
can someone please help me
Answer:
x squared, i dont know how to do the lil 2 on a computer lolz
Kyle is saving for a trip to Spain. He already has $2,000 in the bank, but wants his balance to be at least $3,200 by the end of the month. How much more does he need to save () to reach his goal?
Answer:
1,200 more
Step-by-step explanation:
because 1,200 + 2000=3,200
Write an equation of the perpendicular bisector of the segment with endpoints M(1,5) and N(7,−1).
PLEASE HELP!!!
Answer:
Step-by-step explanation:
slope of MN=(-1-5)/(7-1)=-6/6=-1
slope of line ⊥ to given line=-1/(-1)=1
To find mid point of M and N
[tex]x=\frac{1+7}{2} =4\\y=\frac{5+(-1)}{2} =2[/tex]
eq. of perpendicular bisector is
y-2=1(x-4)
y=x-4+2
or y=x-2
What is arc XW and how do I find it?
Links= Reported
Write a sentence/scenario that uses the integer -12 to represent a
quantity in the real world. Explain the meaning of zero in the setting of the
scenario,
The temperature outside is -12 degrees Fahrenheit.
Zero is where the temperature changes from a negative value to a positive value.
A $125.70 grocery total is discounted 30%. What is the total paid?
Answer:
37.71
Step-by-step explanation:
JK ran 12 3/4 around a track each lap around the track is 1/8 how many laps around the track did JK run
Answer:
50
Step-by-step explanation:
A rectangular prism has length of 2 units, a width of 1 1/2 units, and a hight of 3 1/2 units. What is the volume of the prism?
Answer:
v = 10.5
Step-by-step explanation:
v = l× w× h
v = 2 × 1 1/2 × 3 1/2
good luck, i hope this helps :)
Answer:
10 1/2
Step-by-step explanation:
V = lwh
l = 2
w = 1 1/2 or 1.5
h = 3 1/2 or 3.5
2 x 1.5 x 3.5
10.5 or 10 1/2
Is the expression (-2m)^100 positive or negative when it is simplified?
Answer:
positive
Step-by-step explanation:
the reasoning behind this is because when you do powers you multiply the number by itself. If you multiply -2x-2 then it turns into a positive number and will stay a positve number
have a great day :D
Is this correct? If not can someone please explain to me why it’s wrong or how i can fix it?
Answer:
YOU'RE RIGHT GOOD JOB :)
Step-by-step explanation:
CAN SOMEONE HELP ME ASAP
Answer:
3 minutes
Step-by-step explanation:
To calculate this, you have to multiply 4.5 minutes by 8. This will give you the amount of pages that Wafa will print.
4.5 x 8 = 36 pages
Now that you have the amount of pages, you should divide it by the speed of the Sure-Fire printer. 12 ppm means that 12 pages can be printed in 1 minute.
36/12 = 3
Therefore, it would take 3 minutes if Wafa were to use her brother's Sure-Fire printer.
Answer:
3 minutes
Step-by-step explanation:
Apricot prints 8 pages per minute, the Sure-fire prints 12.
That means Wafa's brother's printer is 1.5 times faster than Wafa's own.
That means his printer can print the document in 4.5min / 1.5 = 3min
what explicit expression can be used to find any term of this sequence
Answer:
A
Step-by-step explanation:
is is term
so n2+2 works for both 2 and 6, 11 and 18 as well as 27
1 squared +2 and 2 squared plus two, 3 squared +2, 4 squared +2 and 52+2
if my answer helps please mark as brainliest.
whats -10/2 as a decimal
Answer:
Just -5.0
Step-by-step explanation:
10 divided by 2 is 5, since it's negative the answer is negative
Answer: -5
Step-by-step explanation:
PLEASE WILL GIVE THE BRAINIEST ANSWER!
Answer:
The fast food restaurant has the higher unit price
find the median of the given data. 12,40,65,19,7,44,30,44,37
Answer:
Step-by-step explanation: just
what is the y intercept of the line with equation x-3y=12
Answer: y = -4
Step-by-step explanation: to find the y intercept substitute x=0
0-3y=12
Then solve for y
0-3y=12---> y= 12/-3
y=-4
Find The range and interquartile 45279.11, 5271. 04, 5309.73, 5363.38, 5409.72, 5444.74,  5603.46, 5695.39, 5871.96, 5972.35
Answer:
40008 07 is the answer good luck :)
Hai hai please help thank you
Answer:
one would be (14,6)
(16,0)
alexis divided a 1 3/4 pound bag of apples among 3 friends. how many pounds of apples did each friend receive?
A: 7/12
B: 3/4
C: 2/3
D: 5/6
SHOW YOUR WORK
Shawn has a set of 125 marbles. He is organizing his marbles into 5 equal groups. How many marbles should he put in each group?
Answer:
He should put 25 marbles in each group because 125/5 is equal to 25.