x = -4 and y = -6
Step-by-step explanation:
Solve for x :–8x + 6y = –4
2x + 2y = –20 (times 3)
Elimination
–8x + 6y = –4
6x + 6y = –60
_____________ _
-14x = 56
x = -4
Solve for y :–8x + 6y = –4
2x + 2y = –20 (times 4)
Elimination
–8x + 6y = –4
8x + 8y = –80
_____________ +
14y = -84
y = -6
Factorise x2 (squared) - 6x - 27
What’s the answer?
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
let's factorise :
[tex] {x}^{2} - 6x - 27[/tex][tex]x {}^{2} - 9x + 3x - 27[/tex][tex]x(x - 9) + 3(x - 9)[/tex][tex](x - 9)(x + 3)[/tex]Done !
-32 > +32? True or false?
Answer:
False
Step-by-step explanation:
+32 is greater than -32
Answer:
false it is less than
Step-by-step explanation:
-32<+32
-4(7 + 4x) = 42 - 6x
Step-by-step explanation:
You use the formula BODMAS and then you simply the brackets first
(7+4x)=11x
And then you group using like terms which is
-4 - 42 +11x - 6x and then you get ur answer
Find the least common denominator (LCD) of 5/8
and 1/4
Answer:
8
Step-by-step explanation:
1. 1/4 × 2/2 = 2/8 (denominator is 8)
2. 5/8 × 1 = 5/8 (denominator is 8)
Therefore, the common denominator is 8.
Which is the graph of the function y = 3x?
The graph would look like the picture above.
Rise 3, Run 1
Suppose that 18 inches of wire costs 72 cents. At the same rate, how many inches of wire can be bought for 48 cents?
Answer:12 inches
Step-by-step explanation:
Can someone please help me
Answer:
it is going to be B or C
Step-by-step explanation:
If I'm wrong I'm really sorry I'm along high school not college
Finally, suppose you decide not to finance (get a loan for) the car and to
wait two years to save up money in addition to the $4,000 you already
have saved for the car.
How much money would you have to save each month in order to
purchase this car without any financing (loan) at the end of two years?
Round your answer to the nearest cent.
Supposing a cost of $30,000, and using proportions, it is found that you would have to save $1,083.30 each month.
--------------------------
We suppose a cost of $30,000.You already have $4,000 saved.30 - 4 = 26, thus, you would need to save $26,000 in 2 years = 24 months.How much per month?We can solve it using proportions, by the following rule of three:
1 month - $x
24 months - $26,000
Applying cross multiplication:
[tex]24x = 26000[/tex]
[tex]x = \frac{26000}{24}[/tex]
[tex]x = 1083.3[/tex]
You would have to save $1,083.30 each month.
A similar problem is given at https://brainly.com/question/24112433
(b) A number increased by -8 is greater than 12
Answer:
x+-8 > 12 Hope this helps.
Write a two-column proof.
Given m<4 =35, m<1= m<2 + m<4.
Prove m<3 = 70
Answer:
given m<4 = 35° and m<1 = m<2 + m<4
prove m<3 = 70°
Statements Reasons
m<4 = 35° given
m<1 = m<2 + m<4 given
m<2 = m<4 by the vertical angles theorem
35° = 35° substitution property of equality
m<2 + m<4 = m<1 angle addition postulate
35° + 35° = 70° substitution property of equality
m<3 = m<1 by the vertical angles theorem
m<3 = 70° substitution property of equality
The two column proof for the given set of angles are:
m∠2 = m∠4 by the vertical angles theorem
m∠3 = m∠1 by the vertical angles theorem
Given data:
The measure of angle
The measure of angle m∠4 =35,
The measure of angle m∠1= m∠2 + m∠4.
Now, Two straight lines that intersect at the same location are said to be intersecting lines. The junction point is the place where two intersecting lines meet. Four angles are created when two lines cross. The four angles added together always equal 360 degrees.
Perpendicular lines are two straight lines that intersect and form right angles. When two perpendicular lines intersect, they form four right angles.
When lines intersect, two angle relationships are formed:
Opposite angles are congruent
Adjacent angles are supplementary
Therefore, m∠2 = m∠4 by the vertical angles theorem
m∠3 = m∠1 by the vertical angles theorem
35° + 35° = 70° substitution property of equality
Hence, the measure of angle m∠3 = 70°
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James and Bethany Morrison are celebrating their 10th anniversary by having a reception at a local reception hall. They have
budgeted $4,000 for their reception. If the reception hall charges a $50 cleanup fee plus $35 per person, find the greatest number of people that they may invite and still stay within their budget.
Answer:
They can invite at max 112 people.
Step-by-step explanation:
4000 - 50 = 3950
3950 / 35 = 112.85 (Can't round up to 113 because then it will go over their budget), so you will get 112 people.
Please can I check with you the answer for nbr 12?
Is it correct?
Answer:
B and C
Step-by-step explanation:
B = 2,4,6 =3,6C= 2,4,6,8,10,12 = 6,12What is the area of the shaded portion of the circle?
O (1611 - 32) in
(1611-8) in
O (641-32) in
O (6451 - 8) in?
8 in
Answer:
The answer is either the 2nd or the 4th option.
Step-by-step explanation:
HELP PLEASE!!!!!!!!!!!
Answer:
x = 4.4
Step-by-step explanation:
The ratios of corresponding sides are in proportion , that is
[tex]\frac{x}{11}[/tex] = [tex]\frac{4}{10}[/tex] ( cross- multiply )
10x = 44 ( divide both sides by 10 )
x = 4.4
Assume that there are 11 girls and 10 boys in the neighborhood club, and a team of 8 is to be selected.
How many different teams can be selected if each team must contain both boys and girls?
Answer:2
Step-by-step explanation:
4 - (y - 3) = 3(y + 1) - 4(1 - y)
Answer:
The value of y is 1
Step-by-step explanation:
4 - (y - 3) = 3(y + 1) - 4(1 - y)
4 - y + 3 = 3y + 3 - 4 + 4y
7 - y = 7y - 1
7 + 1 = 7y + y
8y = 8
y = 1
Thus, The value of y is 1
-TheUnknownScientist 72
HELP PLEASEEE, I WILL MARK BRAINLEST!
9514 1404 393
Answer:
∠a = 133°∠b = 15°∠c = 75°∠d = 58°Step-by-step explanation:
We don't know the definitions, properties, postulates, or theorems on your list, so we'll use the following:
a right angle measures 90°a straight angle measures 180°the acute angles in a right triangle total 90°an exterior angle of a triangle is equal to the sum of the remote interior anglesthe measure of an angle is equal to the sum of the measures of its parts.__
∠a = 180° -47° = 133°; reasons 2, 5. The angles form a straight angle.
∠b = 47° -32° = 15°; reason 4
∠c = 90° - ∠b = 90° -15° = 75°; reason 3
∠d = 90° -32° = 58°; reasons 1, 5. The angles form a right angle. If you want to get picky, we know it is a right angle by reasons 1 and 2. The marked right angle and the sum of 32° and ∠d together form a straight angle.
how do you solve this (first equation) x=2y-1 (second equation) x+y=40
Answer:
[tex]x = 26 \frac{1}{3} \\ [/tex]
[tex]y = 13 \frac{2}{3} \\ [/tex]
Step-by-step explanation:
x = 2y - 1
x - 2y = -1 ________(1)
x + y = 40________(2)
(2) - (1)
[tex]x + y - (x - 2y) = 40 - ( - 1) \\ x + y - x + 2y = 40 + 1 \\ 3y = 41 \\ y = \frac{41}{3} \\ y = 13 \frac{2}{3} \\ [/tex]
y = 13 2/3
[tex]x + y = 40 \\ x + 13 \frac{2}{3} = 40 \\ x = 40 - 13 \frac{2}{3} \\ x = 40 - \frac{41}{3} \\ x = \frac{3(40) - 41}{3} \\ x = \frac{120 - 41}{3} \\ x = \frac{79}{3} \\ x = 26 \frac{1}{3} \\ [/tex]
PLEASE HELP PLEAAE HURRY ANS NO LINKS PLEASE I REALLY NEED THE ANSWER
6+8=14÷(-2)=-7-4=-11
Answer:
-11
Step-by-step explanation:
-4 + (6 + 8) / (-2)
-4 + (14) / (-2)
-4 + -7
-4 - 7
-11
Hopefully this helped!
Brainliest please?
Unicorns love eating jelly beans! If a unicorn eats 410.7 ounces of jelly beans 6 times a day, how many ounces does it eat in one day?
Answer:
2464.2
Step-by-step explanation:
you multiply 410.7 by 6 to get this
The ounces of jellybean eaten in a day is required.
The amount of jellybean the unicorns eats in one day will be 2464.2 ounces.
The ounces of jellybean eaten at one time is 410.7 ounces
The number of times jellybean is eaten during one day is 6 times.
[tex]1\ \text{time}=410.7\ \text{ounces}[/tex]
So, for 6 times
[tex]6\ \text{times}=6\times 410.7=2464.2\ \text{ounces}[/tex]
Learn more:
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Solve for x.
11
3
9.
9514 1404 393
Answer:
x = 33
Step-by-step explanation:
The product of the lengths of the segments of one chord is the same as the product of segment lengths for the other chord:
11×9 = 3x
x = 99/3 = 33
Hi everybody, does this dot on the plot I have look correct, please let me know.
Answer:
no because it's between 4.2 and 4.3, when it should be between 4.1 and 4.2
Step-by-step explanation:
for the function below find the following:
f(x)=25x^2-36
a. the zeros x=?
b. the x & y intercepts
(x,y) = ( )
(x,y) = ( )
c. the y intercept of the graph
(x,y) = ( )
Answer:
a. (-1.2,0) (1.2,0)
b. (-1.2,0) (1.2,0)(0,-36)
c. (0,-36)
A pattern has 3 blue triangles to every 39 yellow triangles. What is the ratio of yellow
triangles to all triangles
Answer:
3:39
Step-by-step explanation:
have a good day
Data were recorded for a car’s fuel efficiency, in miles per gallon (mpg), and corresponding speed, in miles per hour (mph). Given the least-squares regression line, , what is the fuel efficiency for a speed of 60 mph?
3.65 mpg
33.90 mpg
36.52 mpg
38.55 mpg
The least-squares regression line equation gives the line that approximate the relationship between the variables in the fuel efficiency data
The fuel efficiency when the speed is 60 mph is approximately 38.55 mpg.
Reason:
The given least-squares regression line equation is presented as follows;
ln(Fuel Efficiency) = 1.437 + 0.541 × ln(speed)
Required:
The value of the fuel efficiency for a speed of 60 mph.
Solution:
The general form of the least-squares regression line equation is [tex]\hat y[/tex] = a + b·x
Where, in the current question, we have;
[tex]\hat y[/tex] = The predicted value = ln(Fuel Efficiency)
a = The y-intercept = 1.437
b = The slope = 0.541
x = The input value = ln(speed)
When the speed = 60 mph, we have;
ln(Fuel Efficiency) = 1.437 + 0.541 × ln(60) = 3.65204040816
Therefore;
[tex]Fuel \ Efficiency = e^{(1.437 + 0.541 \times ln(60))} \approx 38.55[/tex]
The fuel efficiency when the speed is 60 mph ≈ 38.55 miles per gallon
Learn more here:
https://brainly.com/question/14341438
Answer:
the person above me is correct.
Step-by-step explanation:
Dan removed 16 fish from his pond over a period of 2 days . He romoved the same number of fish each day .What was the change inn the number of fish in the pond each day?
Answer:
8
Step-by-step explanation:
8 ?
2x8 =16
Shannon is three times my age. The sum of our ages is the same as six times my age two years ago. Let my age now be x. How old am I?
Answer:
6
Step-by-step explanation:
my age now = x
my age two years ago = x - 2
Shannon's age now = 3x
3x + x = 6(x - 2)
4x = 6x - 12
-2x = -12
x = 6
Answer: I am 6.
i need step by step explanition if you can. paper depot is delivering 952 cases of paper today.300 of the cases are plain white paper twenty-eight trucks are being loaded with an equal number of cases of paper. how many cases will each truck carry
Answer:
34
Step-by-step explanation:
We actually don't care what amount of paper is white, we just need the amount per truck. If there were 2 trucks, they would each take half of the total amount of paper. If there were 3 trucks, they would each take a third of the total amount of paper. And so on for 4,5,6,etc.
For 28 trucks, they would each take a twenty-eighth of the total amount of paper. So, the amount each truck takes is just [tex]952/28=34[/tex].
So, the answer is [tex]\boxed{34}[/tex] and we're done!
Please help me!
(But give in detail of how you got the answer)
Solve for s. 2/3s + 5/6s = 21
Enter the answer, as a whole number or as a fraction in simplest form, in the box.
s =
Answer:
s = 14
Step-by-step explanation:
Step 1: Combine like terms.
[tex](\frac{2}{3}s + \frac{5}{6}s) = 21[/tex] [tex](\frac{4}{6}s + \frac{5}{6}s) = 21[/tex] [tex]\frac{9}{6}s = 21[/tex] [tex]\frac{3}{2}s=21[/tex]Step 2: Multiply both sides by 2/3.
[tex]\frac{3}{2}s * \frac{2}{3} = 21 * \frac{2}{3}[/tex] [tex]s = \frac{42}{3}[/tex] [tex]s = 14[/tex]3 Ganesa wanted to write numerical examples for the
inequality a
table. One of the conditions cannot be met. Complete
the table. Indicate which condition cannot be met.
Be sure that
you
understand each
condition in the
table.
Condition
Numerical Example fora<6
a<0 and b
a<0 and b>0
a> and b<0
a> and b>0
Lesson 13 Absolute Value and Ordering Numbers
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The condition which cannot be met for the numerical example a < b is the third condition a > 0 and b < 0.
What are Inequalities?Inequalities are expressions which are written on both sides separated by inequality symbols like <, >, ≤ and ≥.
The given numerical example is a < b.
When a > 0 and b < 0,
possible values of a are 1, 2, 3, ............
possible values of b are -1, -2, -3, .............
There is never a chance to get the positive values of a < negative values of b.
Hence the condition which is not met is a > 0 and b < 0.
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The complete question is :
Ganesa wanted to write numerical examples for the inequality a<b, with the conditions described In the table. One of the conditions cannot be met. Complete the table. Indicate which condition cannot be met.
Numerical Example for a < b
Conditions are :
a < 0 and b < 0
a < 0 and b > 0
a > 0 and b < 0
a > 0 and b > 0