Answer:
42.80
Step-by-step explanation:
A parent purchased a dictionary for $13.50 and a pack of printer paper for $4.50. The sales tax rate was 4%. What was the total bill, including the sales tax?
Answer:
$18.72
Hope this helps :)
— 3х – 4y = 2
—5 = 5x +5y
Systems of equations with substitution
Answer:Rewrite
(
3
x
−
4
y
)
2
as
(
3
x
−
4
y
)
(
3
x
−
4
y
)
.
(
3
x
−
4
y
)
(
3
x
−
4
y
)
Expand
(
3
x
−
4
y
)
(
3
x
−
4
y
)
using the FOIL Method.
Tap for fewer steps...
Apply the distributive property.
3
x
(
3
x
−
4
y
)
−
4
y
(
3
x
−
4
y
)
Apply the distributive property.
3
x
(
3
x
)
+
3
x
(
−
4
y
)
−
4
y
(
3
x
−
4
y
)
Apply the distributive property.
3
x
(
3
x
)
+
3
x
(
−
4
y
)
−
4
y
(
3
x
)
−
4
y
(
−
4
y
)
Simplify and combine like terms
Simplify each term.
9
x
2
−
12
x
y
−
12
y
x
+
16
y
2
Subtract
12
y
x
from
−
12
x
y
.
9
x
2
−
24
x
y
+
16
y
2
Step-by-step explanation:
Which situation can be represented by this inequality? 50 < 6m + 8
Answer:
Jim played minecraft for 3 days gathering resources, he wants more than 50 iron ingots. He mines for iron, each time he finds 6 ores per search. He returns to his base and find 8 more in his chest.
Answer:
We need to set up a room for a program. There are 50 chairs available. 8 are needed on the stage. There will be 6 rows on the main floor. What is the maximum number of chairs we can put in each row?
Evaluate the expression when b=-2 and y=4.
-y+5b
Answer:
-14
Step-by-step explanation:
-y+5b
insert the values
-4+5(-2)
multiply
-4-10
subtract
-14
Please help me !!! I’m very behind and my grade is an F
Answer:
3
Step-by-step explanation:
3 x 8 = 24
24/8 = 3
Sharon needs 64 credits to graduate from her community college. So far she has earnedc56 credits. What percent of the required credits does she have?
Answer:
87.5
Step-by-step explanation:
56/64*100
Rewrite this expression using the distributive property.
(3x2 + 4x-7)(x-2)
Answer:
D
Step-by-step explanation:
Each factor on the right has to be multiplied by the equation on the left and then you add them.
The expression (3x² + 4x - 7) ( x- 2) can be rewritten as 3x³- 2x²- 15x + 14.
To rewrite the expression (3x² + 4x - 7) ( x- 2) using the distributive property, we need to distribute each term in the first polynomial to each term in the alternate polynomial.
(3x² + 4x - 7) ( x- 2)
= 3x²( x- 2) + 4x( x- 2)- 7( x- 2)
Now, distribute each term
= 3x³- 6x²+ 4x²- 8x- 7x + 14
Combine like terms
= 3x³- 2x²- 15x + 14
Thus, using the distributive property, the expression (3x² + 4x - 7) ( x- 2) can be rewritten as 3x³- 2x²- 15x + 14.
Learn more about Distributive Property here:
https://brainly.com/question/30321732
#SPJ6
-x + 7y = 8 if x equals 6
Answer:
y=2
Step-by-step explanation:
-6+7y=8
7y=8+6
7y=14
y=2
ANSWER ASAP PLEASE. I CANT FAIL ALGEBRA
Answer:
124.8 and 39.6
Step-by-step explanation:
120 * .04 = 4.8
it says to increase so 120 + 4.8 = 124.8
45 * .12 = 5.4
it says to decrease so 45 - 5.4 = 39.6
Can anyone help me with this question please :( .
Answer:
I think it's non linear because the 1 to 1 wouldn't work
what is meant by even symmetry? and odd symmetry? for polynomial functions
Answer:
1. the quality of being made up of exactly similar parts facing each other or around an axis.
2. For something to be an odd function, it has to have symmetry to the origin, not the x-axis. This means that if it has a point like (a, b), it also has the point (-a, -b). For example, y = x is an odd function because it does this.
Please help!!!!! I've been stuck for a while
Answer:y=2x
(Slope=2)
Step-by-step explanation:
The ratio is 1 to 2y is to times x y=2x
write the multiplier or divisor for each pair of equivalent fractions 1/4 = 7/28
please help me on this will give you brainliest
If f(x) = x + 3 then what is f(5)?
Answer:
f(5)=5+3=8is a required answer
Jack has two square-based pyramids that are the same size. He sticks the square faces together to make a new 3-D shape. How many faces and how many edges does his new 3-D shape have?
Answer:
8 sides, 12 edges
Step-by-step explanation:
Best to just visualize gluing the pyramids together and then counting the sides and edges
Find the vertex of this parabola:
y = -x2 - 6x - 10
Answer:-10
Step-by-step explanation: The slope-intercept form is
y
=
m
x
+
b
y
=
m
x
+
b
, where
m
m
is the slope and
b
b
is the y-intercept.
y
=
m
x
+
b
y
=
m
x
+
b
Find the values of
m
m
and
b
b
using the form
y
=
m
x
+
b
y
=
m
x
+
b
.
m
=
−
6
m
=
-
6
b
=
−
10
b
=
-
10
The slope of the line is the value of
m
m
, and the y-intercept is the value of
b
b
.
Slope:
−
6
-
6
y-intercept:
−
10
please help me I need some help asap
Answer:
The answer is 4.
Step-by-step explanation:
Subtracy 2 from 4.
Then divide 2 by 8
Next year, the company expects to have a production represented by the equation y = 4x.
Which of the following describes how the graph of the line would change if the company meets its goal?
A.
The line will be shifted up four units.
B.
The line will be shifted up two units.
C.
The slope of the line will be half as steep.
D.
The slope of the line will be twice as steep.
Joe's cell phone cost him $21 per month plus $3 for every 1GB downloaded. What is the limit to the number of GBs he can download to stay within his monthly budget of $30?
Answer:
3GB’s you just add 21 to 3 and keep adding 3 until you reach 30
21+3=24 24+3=27 27+3=30
Step-by-step explanation:
joe can only use 3gb of data . bill is 21
21+9+30
1gb=3
3*9=9
3(3)+21=30
3×3=$9
$21+9= $30
he can download up to 3 gbs anymore and he'll go over budget.
Which of the points are solutions to the inequality check all that apply identifying solutions to any quality
Answer:
(0, -4)
Step-by-step explanation:
Use the Distributive Property to simplify the expression: 2(4a+6b)
Answer:
[tex]\huge\boxed{\sf{8a+12b}}[/tex]
Step-by-step explanation:
Hello.
Use the Distributive property to simplify the expression.
The Distributive property states that
a(b+c)=ab+ac
Simplify:
2(4a+6b)
8a+12b (Answer)
I hope it helps.
Have an awesome day.
[tex]\boxed{imperturbability}[/tex]
PLEASE HELP! (Image of question is attached)
Answer:
a the answer is a
Step-by-step explanation:
The value of x is ___
°, and the value of y is
Answer:
y=50
x=60
Step-by-step explanation:
x= 180-(50+70)
x=60
y=50
Alice's age is 5 years less than 4 times her brother's age. Alice's age is 15 minus her brother's age. How old is Alice?
Answer:
Alice is 6 1/9
Step-by-step explanation:
a is Alice and b is brother
a=4b-5
a=b-15
I prefer to use elimination
a=4b-5
-a=-b15
-3b=10
b=-10/3
a=4(10/3)-5
a=-55/3
a sequence is given by the rule 4n -5.
what is the tenth term in the sequence?
Answer: 35
because the sequence is given by the rule 4n -5 => a(n) = 4n - 5
the tenth term in the sequence is a(10) = 4.10 - 5 = 35
Step-by-step explanation:
6.Kelly has been training to run across the country. On the first day, she ran 4 miles, the
second day, she ran 12 miles, and the third day, she ran 36 miles.
a) Write an equation that models Kelly's situation?
Answer:
D= d₁ + d₂ + d₃ : where D is total distance covered in the training.
Step-by-step explanation:
Let this equation model the total distance covered in the training.
Let the total distance covered in the training to be: -------D
Let the distance covered in 1st day be ----------d₁ = 4 miles
Let the distance covered in 2nd day be ----------d₂= 12 miles
Let the distance covered in 3rd day be ----------d₃ = 36 miles
D= d₁ + d₂ + d₃
D= 4 + 12 + 36
D= 52 miles
plz show how you got the answer
Hi there! I'm here to help. :)
Okay, so here you are solving for x. To solve for x, you must get it alone on one side of the equal sign. As we can see, it is not alone, and it is with 1 1/4 on the left side of the equal sign.
To get it alone, we need to subtract 1 1/4 from both sides. However, to subtract fractions, we need to make sure they have the same denominator. Looking at the fractions, we can see that they have two different denominators.
Begin by converting both fractions into improper fractions:
1 1/4 = 5/4
3 1/2 = 7/2
So now our equation looks like this: x + 5/4 = 7/2
Now we need to make it to where we our fractions have the same denominator.
Our current denominators are 4 and 2. The LCM (lowest common multiple) of 4 and 2 is 4, so you leave 5/4 as it is (because it's denominator is already 4) and you change 7/2.
Multiply 2 * 2 to make the denominator 4 in 7/2, but whatever you do to the denominator, you MUST do to the numerator. So multiply 7 * 2 = 14. Now your fraction looks like this: 14/4
Now we have:
1 1/4 = 5/4
3 1/2 = 14/4
Our denominators are the same now! Now here comes the easy part: We subtract! Do 3 1/2 - 1 1/4, or, 14/4 - 5/4. To subtract fractions, simply subtract the numerators and leave the denominators as is. 14 - 5 = 9, so 14/4 - 5/4 = 9/4.
Now our equation looks like this:
x = 9/4
LASTLY: All of your options are mixed numbers, so convert this improper fraction back into a mixed number. 9/4 = 2 1/4.
So, x = 2 1/4. :)
Valerie is 30 inches tall and casts a shadow that is 12
inches long. At the same time, ber teddy bear casts a
shadow that is eight inches long. How tall is the teddy
bear?
Answer:
20
Step-by-step explanation:
30:12 is the original ratio. So if you divide both sides by the numbers' GCF of 6 you'll get a simplified ratio of 5:2. Then multiply both sides by 4 to keep the ratio constant, then you'd get 20:8. So when the teddy bear casts a shadow of 8 inches long the actual teddy bear is 20 inches tall. Hope this helps!
What’s the connection between input and output in this question
ITS MUltipling by 3 silly its 243
Answer:
243,y = 3^xStep-by-step explanation:
We can observe that:
3^1 = 33^2 = 93^3 = 273^4 = 813^5 = 243The rule is:
y = 3^x