Answer:
when its a linear equation
Step-by-step explanation:
Answer:
In the elimination method you either add or subtract the equations to get an equation in one variable. When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable.
Please help:
How would you describe a polynomial to some new algebra students? What advice would you give to help learn how to add and subtract polynomials?
Answer:
I would describe a polynomial as an equation that finds out variables. An advice that I would give to help learn how to add and subtract polynomials is that polynomials is an hard subject and if you want to add and subtract polynomials you should try your best and not give up.
Step-by-step explanation:
help please if correct i may or may not give brainlest
Answer
no yes yes yes
Step-by-step explanation:
Answer:
no, yes, no, yes
Step-by-step explanation:
Josef left a 22% tip on a $120 dinner bill.
How much was the tip?
Answer:
$26.40
Step-by-step explanation:
22% = 0.22
120(0.22) = 26.4
HALP PLEASE!!!!!!!! I RRALLY NEED TO GET THIS DONE
Answer:
E = (-3a, -2b)
O = (3a, 2b)
M = (3a, -2b)
Step-by-step explanation:
The Wilsons have triplets and another child who is 14 years old. The sum of the ages of their children is 38. How old are the triplets? Please give me the equation!! Correct answer will get brainliest
Answer:
Each age of the triplets should be 8 years old.
Step-by-step explanation:
38-14=24
24 divided by 3 = 8
Answer:
Triplets are 8 not sure on the equation but I think its y = 8x + 38.
Step-by-step explanation:
I'm assuming that all their ages together equal 38 therefore I would take,
38 - 14 = 24; this means that the triplets ages added together equal 24. Since triplets means 3 I will take,
24 dived 3 = 8.
I check my work by doing 14 + 8 + 8 + 8 = 38.
you asked for an equation I'm sure what you mean but I can try; I'm putting it into slope intercept form.
y = 8x + 38
What value of x makes the equation 3(x-6)-8x= -2+5(2x+1) true
Answer:
x= −7/5
Step-by-step explanation:
Step 1: Distribute and combine like terms
3(x−6)−8x=−2+5(2x+1)
(3)(x)+(3)(−6)+−8x=−2+(5)(2x)+(5)(1)(Distribute)
3x+−18+−8x=−2+10x+5
(3x+−8x)+(−18)=(10x)+(−2+5)(Combine Like Terms)
−5x+−18=10x+3
−5x−18=10x+3
Step 2: Subtract 10x from both sides.
−5x−18−10x=10x+3−10x
−15x−18=3
Step 3: Add 18 to both sides.
−15x−18+18=3+18
−15x=21
Step 4: Divide both sides by -15.
Hope this helps! :)
Carrie often asks friends to play Among Us at lunch. Of the 5 games they play, Carrie wins 2 games. Consider this data. If she plays 20 games, how many games should you expect Carrie to win?
Answer:
8
Step-by-step explanation:
2 is 40% of 5, so if we stay within this data, then she will win 40% of the next 20 games she plays. 40% of 20 is 8, so she will win 8 games out of 20
Greg sold his used electric saw and accessories for $759. If he received ten times as much
money for the electric saw as he did for the accessories, find how much money he received
for the electric saw.
Answer:
Step-by-step explanation:
Let the amount of money received for the accessories = x
Then the Saw would be 10x
The total is 10x + x = 759
11x = 759 Divide both sides by 11
x = 759 / 11
x = 69 dollars.
The saw was 10 times this amount = 10 * 69 = 690
Check
690 + 59 = 759
(Image shown below this of the shape)
3. Consider this dilation Complete sentences
(a) is the image of the dilation a reduction or an enlargement of the original figure? Explain
(b) What is the scale factor? Explain
Answer
Answer:
a) A reduction
b) The scale factor is 1/2
Step-by-step explanation:
The vertices of the original figure, ABCD are;
A(-2, 4), B(4, 4), C(2, -2), and D(-4, -2)
The vertices of the image, A'B'C'D' are;
A'(-1, 2), B'(2, 2), C'(1, -1), and D'(-2, -1)
a) The length of the side AB = 4 - (-2) = 6 (Distance between points having the same 'x' or 'y' coordinates
The length of the side A'B' = 2 - (-1) = 3
The length of AB = 6 is larger than the length of A'B' = 3, therefore the image A'B'C'D' is a reduction of (is smaller) the figure ABCD
b) The scale factor = The ratio of the lengths corresponding sides of the image to the original figure;
∴ The scale factor =A'B'/AB = A'D'/AD = B'C'/BC = D'C'/DC
AD = √((-4 - (-2))² + (-2 - 4)²) = 2·√10
A'D' = √((-2 - (-1))² + (-1 - 2)²) = √10
A'D'/AD= √10/(2·√10) = 1/2
Therefore, given that the coordinates of the preimage are 2 × the coordinates of the image, we have;
The scale factor = A'B'/AB = B'C'/BC = D'C'/DC = A'D'/AD =1/2
The scale factor is 1/2, therefore, we multiply the dimensions of the original figure by 1/2 to get the dimensions of the image.
The scale factor = 1/2.
How can-9 4/5
be expressed as the sum of its integer and fractional parts?
The fraction -9 4/5 can be expressed as the sum of its integer and fractional parts, which is -9 + 4/5
Expressing How can-9 4/5 as the sum of its integer and fractional partsThe integer part of a mixed number is the whole number portion, while the fractional part is the remaining fraction.
In this case, the integer part of -9 4/5 is -9, and the fractional part is 4/5.
To express the mixed number as the sum of its integer and fractional parts, we simply add the integer and the fraction:
So, we have
-9 + 4/5
When evaluated, we get
-9 + 4/5 = -45/5 + 4/5 = -41/5
Therefore, -9 4/5 can be expressed as the sum of its integer and fractional parts, which is -9 + 4/5 = -41/5.
Read more about fractions at
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Find the area of the regular polygon.
10
5 divided by 3
Answer:
Start by setting it up with the divisor 3 on the left side and the dividend 105 on the right side like this:
3 ⟌ 1 0 5
Step 2:
The divisor (3) goes into the first digit of the dividend (1), 0 time(s). Therefore, put 0 on top:
0
3 ⟌ 1 0 5
Step 3:
Multiply the divisor by the result in the previous step (3 x 0 = 0) and write that answer below the dividend.
0
3 ⟌ 1 0 5
0
Step 4:
Subtract the result in the previous step from the first digit of the dividend (1 - 0 = 1) and write the answer below.
0
3 ⟌ 1 0 5
- 0
1
Step 5:
Move down the 2nd digit of the dividend (0) like this:
0
3 ⟌ 1 0 5
- 0
1 0
Step 6:
The divisor (3) goes into the bottom number (10), 3 time(s). Therefore, put 3 on top:
0 3
3 ⟌ 1 0 5
- 0
1 0
Step 7:
Multiply the divisor by the result in the previous step (3 x 3 = 9) and write that answer at the bottom:
0 3
3 ⟌ 1 0 5
- 0
1 0
9
Step 8:
Subtract the result in the previous step from the number written above it. (10 - 9 = 1) and write the answer at the bottom.
0 3
3 ⟌ 1 0 5
- 0
1 0
- 9
1
Step 9:
Move down the last digit of the dividend (5) like this:
0 3
3 ⟌ 1 0 5
- 0
1 0
- 9
1 5
Step 10:
The divisor (3) goes into the bottom number (15), 5 time(s). Therefore put 5 on top:
0 3 5
3 ⟌ 1 0 5
- 0
1 0
- 9
1 5
Step 11:
Multiply the divisor by the result in the previous step (3 x 5 = 15) and write the answer at the bottom:
0 3 5
3 ⟌ 1 0 5
- 0
1 0
- 9
1 5
1 5
Step 12:
Subtract the result in the previous step from the number written above it. (15 - 15 = 0) and write the answer at the bottom.
0 3 5
3 ⟌ 1 0 5
- 0
1 0
- 9
1 5
- 1 5
0
You are done, because there are no more digits to move down from the dividend.
The answer is the top number and the remainder is the bottom number.
Therefore, the answer to 105 divided by 3 calculated using Long Division is:
35
0 Remainder
Step-by-step explanation:
Answer:
5 half of the e
Step-by-step explanation:
A church group ordered a total of 22
drinks and burgers. Each drink cost
$2.50, and each burger cost $6.25. If the
group spent a total of $92.50, how many
burgers did the group purchase?
Please help 
Answer:
$37.50
Step-by-step explanation:
22 x 2.50 = 55
92.50 - 55 = 37.5
the purchase of the burgers cost
$37.50
(im not sure if its correct tho so im sorry if im wrong)
Alex baked a cake for his birthday. At the party his guests ate ⅔ of the cake. The next day, he ate ½ of the rest of the cake. How much of the original cake did Alex eat?
The radius of a sphere is 2.4 cm. Find the volume of the sphere.
given x=1/3y+5/3 and xy-x=2y+1
Solve for x and y simultaneously
There are 12 steps in the staircase. Plz don't do it for points!!! How do you get the answer 150? i am really struggling will mark brainliest.
The distance from point A to B is 1 foot.
Given,
There are 12 steps in the staircase.
We need to find the distance of the steps.
The distance is given by AB.
Feet is the plural form of the foot.
What is a Pythagorean theorem?It states that in a right-angle triangle the hypotenuse is equal to the squares of the other two sides.
If the hypotenuse is H and the other two sides are A and B.
H² = A² + B²
We have a figure,
Where it is in a right-angled triangle.
Two sides are given: 7.5 inches and 10 inches.
And hypotenuse = AB.
Applying the Pythagorean theorem.
7.5² + 10² = AB²
AB² = 56.25 + 100
AB² = 156.25
AB = [tex]\sqrt{156.25}[/tex]
AB = 12.5 inches
Now,
AB = 12.5 inches.
We need to convert it into feet.
12 inches =1 foot
Multiplying 12.5/12 on both sides.
12.5/12 x 12 inches = 12.5/12 x 1 feet
12.5 inches = 1.0416 feet
Rounding to the nearest tenth we get,
12.5 inches = 1 feet
AB = 1 feet
Thus the distance of the staircase from point A to B is 1 foot.
Learn more about the Pythagoras theorem here:
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Find the measure of the arc or angle indicated
Answer:
vdeuvhgcdfckzjhcvod ygxyfdcDcv
Step-by-step explanation:
The product of two rational numbers is irrational.
Answer:
The statement is false.
Step-by-step explanation:
Here we need to remember some things:
Integer numbers are closed under multiplication.
This means that for two integers a and b, the product a*b is also an integer.
A rational number is a number that can be written as the quotient of two integer numbers.
An irrational number is a number that can't be written as the quotient of two rational numbers.
Now let's see the statement:
"The product of two rational numbers is irrational."
The product of two rational numbers is written as:
[tex]\frac{a}{b} *\frac{c}{d}[/tex]
Where a, c, b, and d are integers.
We can rewrite that product as:
[tex]\frac{a*c}{b*d}[/tex]
Because of the first property, we know that a*c is an integer, and b*d is also an integer, so here we have a quotient of two integer numbers, so this is a rational number.
Then the product of two rational numbers is a rational number.
Then the statement is false.
Please help me on thisss
Answer:
x² − 10x + 25
Step-by-step explanation:
Express (x - 5)² as a trinomial in standard form.
First, you rewrite it.
(x − 5)(x − 5)
Next, you expand it.
x² − 5x − 5x + 25
Last, you combine like terms.
x² − 10x + 25
Kwan recorded two sets of data.
Set 1: 9, 13, 6, 18, 15, 19, 20
Median: 15
Lower Quartile: 9
Upper Quartile: 19
Range: 14
IQR: 10
Set 2: 9, 13, 6, 18, 15, 19, 20, 63
Median: 16.5
Lower Quartile: 11
Upper Quartile: 19.5
Range: 57
IQR: 8.5
One set of data shows an outlier. Which measure of spread was most impacted by the outlier?
PLEASE HELP ASAP IM BEGGING
Answer:
Set 2 contains an outlier. The outlier would be 63. I would say the most affected measure of spread is the range.
a shirt cost $300 is reduced by 15%
what is the new price?
what is the savings?
Answer:
saved: 45
new price is 255
if U=π (r+h),find the value of "r" when U=16 whole 1 upon 2 and h=2
Answer:
r = 3 1/4
Step-by-step explanation:
Here, we want to find the value of r given the values
Firstly, we will write r as the subject of the formula
U = π ( r + h)
U/π = r + h
r = U/π - h
Now substitute;
U = 16 1/2 = 33/2
h = 2
π= 22/7
r = 33/2/22/7 - 2
r = (33/2 * 7/22) - 2
r = 21/4 - 2
r = (21-8)/4
r = 13/4 = 3 1/4
PLEASE HELP ASAP NEED ANSWER VERY QUICK!!
Answer:
Translation
Step-by-step explanation:
Not completely sure.
Can I have Brainliest?
Answer:
Translation
Step-by-step explanation:
The square is just moved to another side, its not rotted or reflected (if it were reflection it would be in the -x side)
I am confused on this quadratic problem.
I am thinking it is (x+5)^2=81.
Here's the problem: The sum of a number and 5 is squared. The result is 81.
Answer:
(x+5)^2=81 would be correct
Step-by-step explanation:
solution (if you want it)
x² + 10x + 25 = 81
x² + 10x - 56 = 0
(x + 14)(x - 4) = 0
x = 4, x = -14
What is the slope of the graph of y= 12x-19?
Answer:
12
Step-by-step explanation:
Hi,
in the equation y = mx + b...
M is your slope.
So, 12 is your slope.
I hope this helps :)
Answer:
12/1
Step-by-step explanation:
because te equation is in y=mx+b form in which m is the slope
Harvey bought two pinatas, one shaped like a soccer ball and one
shaped like a basketball. Both pinatas are spheres with a radius of 5 inches.
What is the total volume of both pinatas? Round to the nearest tenth.
Answer:8.65
Step-by-step explanation:
Heeelp meeee :))))))
Answer:
C) y = 2x
Step-by-step explanation:
That's the only equation that if x = 0, y will = 0
Answer:
C
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
A
y = x + 1 ← has a y- intercept of 1
B
y = x - 1 ← has a y-intercept of - 1
C
y = 2x ← has a y- intercept of 0
D
y = 2x + 2 ← has a y- intercept of 2
Thus y = 2x passes through the origin → C
Find the area of the bedroom with the shape shown in the figure, in square feet.
Answer:
144 because I did 34+12+14+7 and that is what I got
Step-by-step explanation:
What is 55 times 66 divied by 45
Answer:
3630 divided 45
80.666667
.Answer:
80.6666667
Step-by-step explanation:
BRAINLESS PLZ
I GIVING BRAINLIEST!!!PLEASE HELP!!
Answer: The answer is B!
Step-by-step explanation:
Answer:
A
Step-by-step explanation: