Answer:
70%
Step-by-step explanation:
Find the total students who attended a school assembly:
28 + 12 = 40
100% = 40 students
1% = 40 ÷ 100 = 0.40
28 ÷ 0.40 = 70
Answer:
70%
Step-by-step explanation:
28+12= 40
28/40= 0.7
0.7x100= 70
10. A bag contains black and white marbles. Overall, there are 36 marbles in the bag. If there are
14 more black marbles than white marbles, how many of each color are in the bag?
Equation #1
Equation #2
black marbles
white marbles
Answer:
25 black and 11 white
Step-by-step explanation:
lets say black marbles are x and white marbles are y
x+y=36
y+14=x
So: y+14+y=36
2y=22
y=11
Hence, x=25
Hope that helps!
On what day will both girls will be on the same page _____?
Answer:
like ummmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm .............. never
Step-by-step explanation:
Which would be the most appropriate way to estimate -6.1(0.22)
Answer: Answer is 1
Step-by-step explanation:
Algebraic expressions. c^2+d^2
Answer:
what are you asking?
Step-by-step explanation:
Given the two equations:
y + x = 5
-2x = -1
0) Draw the graphs of both equations on the same pair of axes by using a scale of 1cm to
represent 1 unit on both axes.
Use your graph to determine the point of intersection.
Answer:
Step-by-step explanation:
I can draw graphs on the application
eq1) is a line through y = 5 with a negative slope of -1 y = -x + 5
eq2) is a vertical line at x = 1/2 NO y intercept or slope
-2x = -1 ---> x = -1/-2 = 1/2
They intersect at
y = -x + 5 and x = 1/2 Substitute x=1/2 into
y = -1/2 + 5
y = 4.5
intersect at (1/2, 4.5)
Are the figures congruent? Explain.
answer:
yes, because when you count the units you will see they are same
step-by-step explanation:
being congruent doesn't mean it is similar, however being similar does mean that they are congruentas you can see when you count the number of units, they are similartherefore, they are congruentPlease answer the question above.
Answer:
5.3!
Step-by-step explanation:
( in case you need work ) the angles are congruent so you set them equal to each other!
6x+12=9x-4
you then get 16=3x then divided its 5.3!
Simplify. Write the expression using only positive exponents.
5b^-2/b^-3
Answer:
5b?
cause ^-2 and b^-3 are going to be shortened..
I hope it's correct..
Which expression is equivalent to 5(n + 7)?
Choose the best decimal to represent 5 3/7
2.3
5.428571
2.3
5.428571
Answer:
5.428571
Step-by-step explanation:
[tex]5\frac{3}{7}[/tex]
take the fraction and divide that:
[tex]\frac{3}{7} =0.428571[/tex]
then just add 5:
5 + 0.428571 = 5.428571
or...
convert the mixed fraction to improper fraction:
[tex]5\frac{3}{7} = \frac{38}{7}[/tex]
divide like normal:
[tex]\frac{38}{7} = 5.428571[/tex]
Which points make the equation below true?
y = 43x + 5
a. (1 , 7)
b. (6 , 13)
c. (21 , 33)
d. (99 , 137)
Answer:
b,c,d
Step-by-step explanation:
if its 43x, none of the point is true.
if its 4/3x:
a. Not true 4/3(1) + 5 = 6 1/3
b. True 4/3(6) + 5 = 13
c. True 4/3(21) + 5 = 33
d. True 4/3(99) + 5 = 137
Which could not be the length of the unknown side of the triangle?
A. 12
B. 14
C. 15
D. 18
Answer:
All of them
Step-by-step explanation:
All the listed answers are greater than the side marked 11. I don't know if this drawing is to scale, but even the answer 12 if you would make the triangle into two smaller right triangles from the vertex of angle ? and 6 to the side marked 11
If x > g and g = 8, which set of numbers could represent x? Remember the whole set of numbers, must make this inequality true.
Answer: all numbers 9 and up.
plz help me its kinds hard :(
Answer:
Adjacent Supplementary
Step-by-step explanation:
Vertical angles are across from each other, so you can cross out any answers with vertical.
Complementary angles add up to 90, so you can cross out the answers with complementary.
Compare the graph of g(x)=x2−3 with the graph of f(x)=x2
Answer:
g(x) is red and f(x) is blue. f(x) has been moved three units down the y-axis.
Answer:
x²-3 if x² vertical transformation shift DOWN 3 units
Step-by-step explanation:
vertical transformation shift DOWN 3 units
Riley can paint 1/5 a room in 1/10 of an hour. At what rate does she paint?
Answer:
Working together, Bill and Tom painted a fence in 8 hours. ... Ben can wash 500 dishes in 2 hours, so, by dividing, I find that he can do 250 ..
**due today, please help!!**
Factor, input the parentheses
6x+12
3x+3y
10+25x
81x+48
24x+16y+8
3+24x+6y
81x-36y-18
54x+12
Answer:
i got you!
Step-by-step explanation:
6(x + 2)
3(x + y)
5(2x + 5)
3(27x + 16)
8(3x +2y + 1)
3( 1 + 8x +2y)
9( 9x -4y- 2)
6 (9x +2 )
Answer:
6(x+2), 3(x+y), 5(2+5x), 3(27x+16), 8(3x+2y+1), 3(1+8x+2y), 9(9x−4y−2), 6(9x+2).
The state decided that the angle a wheelchair ramp
makes with the ground should be no more than 4.3º.
a) What is the maximum height of a 25-foot ramp? Round
to the nearest tenth of a foot.
b) What distance along the ground would this ramp
cover? Round to the nearest tenth of a foot.
Maximum height =
ft.
Distance along the ground =
ft.
Sandy's monthly earnings consist of a fixed salary of $2,500 and a 10% commission on all her monthly sales. To cover her planned expenses, Sandy needs to earn an income of at least $6,000 this month. Write and solve an algebraic inequality to find the amount of sales Sandy needs to cover her planned expenses.
Answer:
$35,000
Step-by-step explanation:
Given data
Fixed salary= $2,500
Commission= 10%
Sandy wants to earn $6,000 this month
Let the total earning be y and the sales be x
Therefore the expression for Sandy's earning is given as
y=2500+0.1x---------------1
when y= $6,000
substitute in 1 and solve for x
6000=2500+0.1x
6000-2500=0.1x
3500=0.1x
x= 3500/0.1
x= $35,000
Hence the amount of sales will be $35,000
Line A passes through points (-1, 5) and (3, -1). Line B passes through points (7, 2) and (6, -1).
At what point does line A intersect line B?
Answer:
At (5, -4)Step-by-step explanation:
The slope of a line that passes through two given points: [tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
The equation of the line that passes through given point with a slope of m:
y - y₁ = m(x - x₁)
Line A:
[tex]m=\dfrac{-1-5}{3-(-1)}=\dfrac{-6}4=-\dfrac32[/tex]
[tex]y-5=-\frac32(x+1)\\\\y=-\frac32(x+1)+5[/tex]
Line B:
[tex]m=\dfrac{-1-2}{6-7}=\dfrac{-3}{-1}=3[/tex]
[tex]y-2=3(x-7)\\\\y=3(x-7)+2[/tex]
Point of intersect means the same coordinates x and y.
So:
[tex]3(x-7)+2=-\frac32(x+1)+5\\\\3x-21+2=-\frac32x-\frac32+5\\\\3x-19=-\frac32x+\frac72\\\\6x-38=3x+7\\\\6x+3x=7+38\\\\9x=45\\\\x=5\\\\y=3(5-7)+2=3(-2)+2=-4[/tex]
Write the expression in radical form: (16x^3)^1/4
Answer:
[tex]\sqrt[4]{16x^{3} }[/tex]
Step-by-step explanation:
Solve using the formula : [tex]a^{\frac{x}{n} } =\sqrt[n]{a^{x} }[/tex]
i need help and you don't have to show your work
Answer:
75
Step-by-step explanation:
Write an exponential function whose graph passes through the given points (0, - 2) and (- 1, - 4)
Answer:
y = -2*0.5ˣ
Step-by-step explanation:
general formula for exponential function: y = abˣ
for point (0 , -2): -2 = a*b⁰ = a * 1 = a
a = -2
for point (-1 , -4): -4 = (-2) * b⁻¹ b⁻¹ = (-4) / (-2) = 2
b = 1/2
exponential function: y = -2*0.5ˣ
help me plssssssssssssssssss
Answer:
kmkioppppppppoiiu yw quip all cm ms all pure 100.00
A box contains ten cards labeled Q, R,S ,T ,U ,V ,W , X, Y, and Z . One card will be randomly chosen.
What is the probability of choosing a letter from Q toT ?
Write your answer as a fraction in simplest form.
Please help my day is going so bad ive litterally cried 5 times already and im so streesed with online school and having so much homework its just so difficult please help IM SO STRESSED :(
Answer:
10 cards. q to t is 4 of them- so 4 out of 10. 4/10. simplified 2/5
Jo is playing a game in which he must roll a die and toss a coin. What is the probability that Jo will roll a 6 and toss a heads? Make a list to support your answer.
Answer:
1/ 12
Step-by-step explanation:
Sample space :
(H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6)
Probability = required outcome / Total possible outcomes
Required outcome = roll a 6 and toss a heads = 1
Total possible outcomes = sample space = 12
= 1/12
what two number multiply to make -36 as well as add to make 16
-12 x 3 = -36
-6 x 6 = 36
-8 x 2 = -16
-4 x 4 = -16
Which values of x make 2 x + 3 < 17 a true statement?
A used book store is selling 3 records and 5 CDs for $60. You can also buy 6 records and 4 CDs for $80. Find the cost of one CD. Write the linear system that describes this situation.
9514 1404 393
Answer:
3r +5c = 60
6r +4c = 80
Step-by-step explanation:
There are many aspects of "this situation" that could be described by equations. We are guessing that you want equations that will help you determine the costs of a record and a CD, assuming the costs are the same for each instance of the media.
Let r and c represent the costs of a record and a CD, respectively.
3r +5c = 60 . . . . . . . the value of the first purchase
6r +4c = 80 . . . . . . . the value of the second purchase
These equations comprise a linear system describing an aspect of the situation.
_____
Comment on the question
The numbers make no sense, as the cost of a CD is $(6 2/3), the cost of a record is $(8 8/9).
. Mr. Jenkins deposited $1,250 into an account. He made no additional
deposits or withdrawals. Mr. Jenkins earned 4.25% annual simple interest
on the money in the account.
What was the balance in dollars and cents in Mr. Jenkins account at the
end of 4 years?
Record your answer on the grid.
Be sure to use the correct place value.
Answer:
$1,462.50
Step-by-step explanation:
To find the percentage, multiply 1,250 by 0.0425, giving us 53.125. Multiply this by the 4 years, giving us a total of 212.5. Add 212.5 and 1,250, leaving us with his total, $1,462.50
Hope this helps!