please its timed!!!!
Which equation can be used to solve the problem?
495 is 55 percent of what number?
StartFraction 55 times 1 Over 495 times 1 EndFraction = StartFraction 55 Over 495 EndFraction
StartFraction 100 times 45 Over 55 times 45 EndFraction = StartFraction 4500 Over 2475 EndFraction
StartFraction 45 times 9 Over 100 times 9 EndFraction = StartFraction 405 Over 900 EndFraction
StartFraction 55 times 9 Over 100 times 9 EndFraction = StartFraction 495 Over 900 EndFraction
Answer:
a
Step-by-step explanation:
Answer:
For me it is D
Step-by-step explanation:
I am doing the quiz/test right now and as someone said in the comments of the previous answer, I believe that it is A for the assignment and D for the test.
What is the scale factor of this dilation?
1/2
3/5
1 2/3
2
Answer:
3/5
Step-by-step explanation:
The scale factor is the ratio of image segment lengths to pre-image segment lengths:
PB'/PB = 3/5
The scale factor is 3/5.
Answer: 3/5
Step-by-step explanation:
Four times a number, minus 7, is equal to three times the number, plus 6
Noelle is drawing fraction bars to model the sum of One-fifth and Three-fourths. What is the smallest number of equally sized pieces each fraction bar can be broken into to find the sum? 4 5 9 20
Answer:
20
Step-by-step explanation:
I took the test
Answer:
D. 20
Step-by-step explanation:
PLS HELP ME ASAP!!! 10 POINTS!!
a) Isaac is purchasing two pairs of shoes—one pair for $37.00 and the second pair for $42.00. The state sales tax applied to Isaac’s bill is 7%. How much is Isaac’s total bill? Show your work.
b) If Isaac uses a coupon entitling him to a 25% discount off the purchase price before tax, how much will his bill be? Assume that a 7% sales tax is applied to the discounted price. Using words, explain how you found the discounted price.
c) The shoe store clerks are paid on commission. If the clerk receives a 12% commission on total purchase amounts before tax is applied, how much would the commission be for Isaac’s purchase with and without a coupon?
Answer:
A) 37+42=79(1.07)=84.53
B) you would take off the discount and that equals 59.25 then you would apply taxes 63.40
C)9.48 and 7.11
Step-by-step explanation:
Answer:
a) $84.53
37+42=79
79(0.07)=5.53
79+5.53=84.53
b) $56.50
You have to multiply the cost of both shoes by 0.25 to get the amount of money that Isaac gets discounted. Then you subtract that amount from the cost of the shoes to get the new price. Then you multiply the new price by 0.07 to get how much he will be taxed. Finally, you add the tax to the total.
c) Before the coupon is applied: $10.08
After the coupon is applied: $9.48
84(0.12)=10.08
79(0.12)=9.48
Step-by-step explanation:
Find the endpoint of the segment with the endpoint of (-4, 5) and midpoint of (7, -9)
Answer -4+X/2=7
-4+X=14
X=18
5+Y/2=-9
5+Y=-18
Y=-23
18,-23
Step-by-step explanation:
Answer:
x=18 , y. = -13
Step-by-step explanation:
[tex]\frac{-4 + x}{2} \\[/tex] =7 => x = 18
[tex]\frac{-5 + y}{2\\} \\[/tex] = -9 => y= -13
7(2a+1) -4 (8a+3) plz help
Answer:
.7(2a +1) - 4(8a +3)
14a + 7 - 32a + 3
14a - 32a +7+3
= -18a + 10
Step-by-step explanation:
hello
hope that will help you
What is the prime factorization of 72?
0.2² x 32
O 22 x 33
O 23 x 32
O 23 x 33
Answer:
[tex]2^3\times 3^2[/tex]
Step-by-step explanation:
[tex]72\\\\72\:\mathrm{divides\:by}\:2\quad \:72=36\times\:2\\\\=2\times\:36\\\\36\:\mathrm{divides\:by}\:2\quad \:36=18\times\:2\\\\=2\times\:2\times\:18\\\\18\:\mathrm{divides\:by}\:2\quad \:18=9\times\:2\\\\=2\times\:2\times\:2\times\:9\\\\9\:\mathrm{divides\:by}\:3\quad \:9=3\times\:3\\\\=2\times\:2\times\:2\times\:3\times\:3\\\\2,\:3\mathrm{\:are\:all\:prime\:numbers,\:therefore\:no\:further\:factorization\:is\:possible}\\\\=2\times\:2\times\:2\times\:3\times\:3\\\\=2^3\times 3^2[/tex]
Answer:
So, the prime factorisation of 72 are 2 × 2 × 2 × 3 × 3 or 23 × 32, where 2 and 3 are the prime numbers.
Step-by-step explanation:
14 5 18 24 15 28 34 __ what number would complete this pattern?
Answer:
the missing number is 25.
Step-by-step explanation:
the pattern is to subtract 9 and then add 13
The sum of nine times a number, and 2, is equal to eight times the number.
Answer:
x = -2
Step-by-step explanation:
let the unknown number be x
[tex]9 \times x + 2 = 8 \times x \\ 9x + 2 = 8x[/tex]
Collect like terms and simplify
[tex]9x - 8x = - 2 \\ x = - 2[/tex]
The unknown number would be x = -2.
What is a system of equations?A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
We have given a statement as "The sum of nine times a number, and 2, is equal to eight times the number."
Let the unknown number be x
9x + 2 = 8x
Collect like terms and simplify;
9x - 8x = -2
x = -2
Thus, the variable would be x = -2.
Learn more about equations here;
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what is 2.9+3.9 estimated, 12.99-3.95 estimated, 8.1+3.7+7.9 estimated, and 3.8+4.1+3.3 estimated answer ASAP plz
Answer:
7, 17, 20, 11
Step-by-step explanation:
you just round each number to the nearest whole number and then add them
Write an inequality that compares -6 and 3
Answer:
3>-6
Step-by-step explanation:
Please help me ASAP thank uu
Answer:
51°
Step-by-step explanation:
Remember, all 3 angles must add up to 180°
We can tell that this triangle is a right triangle, or a triangle that has a 90° angle. We also have another angle given, which is 39°. Currently we have two angles given.
Since all 3 angles have to add up to 180°,
90 + 39 + x = 180°
129 + x = 180°
180 - 129 = x
x = 51°
The missing angle is 51°
To see if your calculation is correct, you could add all 3 angles, and it should give you 180 as a sum.
90 + 39 + 51 = 180
Correct!
You think you weigh 155 pounds, but you step on a scale and it reads 147pounds. What percent were you off?
Answer:
You were 6% off
Step-by-step explanation:
147/155 = 0.94, 1 - 0.94 = 0.06, move decimal over 2 to the right when talking about precentages.
Given the parent function f(x)=x^2 give the best description of the graph of y=x^3+3. a. expanded vertically by a factor of 5 c. expanded horizontally by a factor of 5 b. expanded vertically by a factor of 10 d. expanded horizontally by a factor of 10
Answer: We have the following function:
f (x) = x ^ 2
We have the following transformation:
Expansions and horizontal compressions
The graph of y = f (bx):
If 0 <b <1, the graph of y = f (x) expands horizontally by the factor of 1 / b.
Applying the transformation:
y = (0.2x) ^ 2
The factor is:
1 / b = 1 / 0.2 = 5
Answer:
b. expanded horizontally by a factor of 5
Step-by-step explanation:
Plz help if possible can you show how you got the answer :)
Answer:
4t(t+3), 5k²(2k-3), 4x²(2x-5), t=0 and t=1/3, y=0 and y=-2, n=0 and n=-7/4
Step-by-step explanation:
To factor these, we can factor out a constant and/or variable. For number 12, these terms have 4t in common (you can divide any term in the expression by 4t and have no remainder), so we can pull that out. This makes 4t(t+3) because if you distributed, you would end up with the same answer. The answer for 12 is 4t(t+3).
For 13, we do the same thing, except with 5k². When we pull this out of the equation, we end up with 5k²(2k-3), which is the factored expression.
For 14, we can take out 4x². This becomes 4x²(2x-5), the factored expression.
For 15, we actually have to solve, so we can take out a t. This is t(3t-1)=0. We can set both terms (one outside the parentheses and the other one inside the parentheses) equal to zero to solve. t=0, 3t-1=0. To solve the second equation for t, you use inverse operations and end up with t=1/3. The answers are 0 and 1/3.
For 16, we have to solve as well, so take out a 5y. 5y(y+2)=0. Solve for y again. 5y=0, y+2=0. y=0, y=-2 are the answers.
For 17, take out a 3n. 3n(7+4n)=0. Solve for n. 3n=0, 7+4n=0. n=0, n=-7/4 are the answers.
i need help with this math
Answer:
Right angle
Step-by-step explanation: you take the 57% angle and ad that with
the 33% angle and you got a prefect 90% also known as a "Right angle"
true or false ?
- a line always contains a ray
- a line segment always contains a line
- a line segment always contains a ray
- a ray always contains a line
Answer:
-True
-False
-False
-False
1. Triangle ABC is located at A0, 4) B(2,3)
and C[-1.-2). After being translated 4 units
left, what are the new coordinates of Point
в?
2.T:
5)
uni
of
the last part was unformatted and i cant tell what it is, but point b after translated is (-2,3)
Please help with this question.
Answer:
3m+20>35
Explanation
m stands for months 3 every m
+ the 20 he starts with will be grater than >35
900,000-400,000 esitmate
Answer:
500,000
Step-by-step explanation:
9-4=5 just add the zeros
Answer:
aahhhh
Step-by-step explanation:
Find the range of the relation {(–2, 3), (–1, 3), (–1, 5)}. Then determine whether the relation is a function.
Answer:
Range{ 3,5}
This is not a function
Step-by-step explanation:
The range is the output values
Range{ 3,5}
This is not a function since x = -1 goes to two different output values of 3,5
Given: ∠AOC and ∠BOC are complementary. m∠AOC=m∠BOC+30°. Find: m∠AOC and m∠BOC
Statement Reason
1. m∠AOC+m∠______ = ______ 1. _____________
2. m∠______ + ______ +m∠BOC=90° 2. Substitution
3. m∠BOC = _________ 3. Algebra
4. m∠AOC = _________ 4. Algebra
Answer:
Statement Reason
1. m∠AOC+m∠COB= 90° 1. complementary angles
2. m∠30° + BOC+m∠BOC=90° 2. Substitution
3. m∠BOC = 30° 3. Algebra
4. m∠AOC = 60° 4. Algebra
I think I got it
NOT ARITHMETIC SEQUENCE
Answer:
its ok
Step-by-step explanation:
Evaluate: 56 + 80.6
Answer:
136.6
Step-by-step explanation:
56 + 80.6
ok im going to break it down you don't have to do this
50 + 6 = 56
80 + 0.6 = 80.6
now im going to add
50 + 80 = 130
6 + 0.6 = 6.6
now im going to add it all together
130 + 6.6 = 136.6
if 9+x/6=11 then what’s the value of 1+3x??
Answer:
Step-by-step explanation:
It's hard to tell what you really intend. I'll do it both ways.
Way One
9 + x/6 = 11 Subtract 9 from both sides.
x/6 = 11 - 9
x/6 = 2 Multiply both sides by 6
x = 2 * 6
x = 12
1 + 3x = 1 + 3*12 = 1 + 36 = 37
Way Two
(9 + x)/6 = 11 Multiply both sides by 6
9 + x = 11 * 6 Simplify the right side
9 + x = 66 Subtract 9
x = 57
1 + 3*57 = 1 + 171 = 172
Which is equivalent to 216^1/3
O 3
O 6
O 36
O 72
Answer:
72
I hope this helps!
The equivalent expression is 6.
Option B is the correct answer.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
[tex]216^{1/3}[/tex]
6 x 6 x 6 = 216
This can be written as,
6³ = 216
Now,
[tex](6^3)^{1/3}[/tex]
= [tex]6^{3\times1/3}[/tex]
= 6
Thus,
The equivalent expression is 6.
Learn more about expressions here:
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Where would the following line cross the y-axis?
f(x) = 2x - 4
O (0, 2)
O (2,0)
O (0, -4)
O (-4, 0)
Answer:
[tex]\huge\boxed{\red{\boxed{c)(0,-4)}}}[/tex]
Step-by-step explanation:
to understand thisyou need to know about:functionPEMDASlet's solve:to find y-axis of the function we have to take 0 x and calculate it
according to the question:
f(0)=2.0-4f(0)=-4another way to think about it
the function is a linear function i.e f(x)=mx+b where m is the slope (rate of change) and b is the y-intercept (where a line would cross y-axis)
our given function is f(x)=2x-4
using a little algebra we get
f(x)=2x+(-4)where -4 is y-intercept
hence,
the line of the function would cross y-axis at (0,-4) coordinate
use the equation 18=9x-3y to convert it into a linear equation in linear form (y=mx+b)
Answer:
y = 3x - 6
Step-by-step explanation:
18 = 9x - 3y
3y + 18 = 9x
3y = 9x - 18
y = 3x - 6 < -- This is the answer
Hope this helps!
Solve the following equations:
(2x + 7)(x - 5) = 0
Answer:
x = -7/2
x = 5
Step-by-step explanation:
Answer:
(2x+7)(x-5)=0
2x+7=x-5
2x-x=5-7
X=-2
