Answer:
x = -8, y = 4
Step-by-step explanation:
3x + 3y = -12 (1)
x + 6y = 16 (2)
Multiply (2) by 3
3x + 18y = 48 (3)
3x + 3y = -12 (1)
Subtract (1) from (3) to eliminate x
18y - 3y = 48 - (-12)
15y = 48 + 12
15y = 60
y = 60/15
y = 4
Substitute y = 4 into (1)
3x + 3y = -12 (1)
3x + 3(4) = -12
3x + 12 = -12
3x = -12 - 12
3x = -24
x = -24/3
x = -8
x = -8, y = 4
Angle 1 and Angle 2 are supplementary. Which equation could you use to find the measure of Angle 2?
Angle 1: 67°
Angle 2: x degrees
Answer: 67 + x = 180
Step-by-step explanation:
Since the angles are supplementary, together they'd add up to 180. Since we do not know the degrees of Angle 2, we arrange x in the equation.
Hope this helps you! Good luck! <3
Solve for the value of e.
please help
Answer:
44
Step-by-step explanation:
Angles that form a straight line add up to equal 180 degrees
Hence, e + 8 + 3e - 4 = 180
^ ( note that we just created an equation that we can use to
solve for e )
Using the equation created, we then solve for e
e + 8 + 3e - 4 = 180
step 1 combine like terms
3e + e = 4e
8 - 4 = 4
we now have 180 = 4e + 4
step 2 subtract 4 from each side
180 - 4 = 176
4 - 4 cancels out
we now have 176 = 4e
step 3 divide each side by 4
176 / 4 = 44
4e / 4 = e
we're left with e = 44
What is the value of -4d2 + 15d2 = 5 for d = 1?
Answer:
Step-by-step explanation:
-4(1)^2 + 15(1)^2 =5
-4 + 15 = 5
since the equation is false, 15-4 does not equal 5 , then something has been left off the equation. look carefully , did you forget anything?
I ready diagnostic time!!
Answer:
I think choose (D)
[tex] \frac{4}{10} and \frac{10}{25} [/tex]
Solve the equation d divided by 1.2 is equal to 6 PLS HELPP
Answer:
The answer is 7.2.
Step-by-step explanation:
Have a great day.
Answer:
d = 7.2
Step-by-step explanation:
all you have to do is multiply 1.2 by 6 to get your answer
[tex]1.2 \times 6 = 7.2[/tex]
Are HMS is the same as Are HSM, since they use the same letters and points on the circle
?
True or false ?
Step-by-step explanation:
its "false" they r not same.
stay safe healthy and happy.
Solve for n: 2^3n = 4
Answer:
n=1/2
Step-by-step explanation:
Which expression is equivalent to 4 (3x – 2)?
O A. 7x-2
O B. 7x + 2
O C. 12x - 2
O D. 12x - 6
O E 12x– 8
Answer:
E is the answer
hope this helps
have a good day :)
Step-by-step explanation:
What is the area of the figure below?
15 in 2
20 in 2
30 in 2
25 in 2
Q.2
What is the area of the trapezoid?
9 ft 2
12 ft 2
13 ft 2
13.5 ft 2
Answer:
30 in 2
Step-by-step explanation:
What is the area of the figure below?
can somebody please plz tell me the answer to this question or else I will be grounded. the window has the shape of a kite how many square meters of glass were used to make the window
Pls help I need help with #11 pls I need a answer and a explanation pls and thank you!
Answer:
15 = t
Step-by-step explanation:
3 = t - 12
3 + 12 = t
15 = t
Answer:
C:15 if were going off t
Step-by-step explanation:
if you switch around the equation a bit you get t-12=3 now what number minus 12 equals three thats what your trying to find so the only logical answer is C because 15-12=3 so t=15
The Science Club went on a two-day field trip. The first day the members paid $50 for transportation plus
$18 per ticket to the planetarium. The second day they paid $95 for transportation plus $15 per ticket to
the geology museum. Write an expression to represent the total cost for two days for the n members of
the club.
An expression that represents the total cost in dollars for two days for the n members of the club is given
by
HARD! [Ma
Answer:
145 + 33n
Step-by-step explanation:
Let
n = number of members in the club
Day 1:
Cost = 50 + 18n
Day 2:
Cost = 95 + 15n
Total cost two-day field trip = day 1 + day 2
= (50 + 18n) + (95 + 15n)
= 50 + 18n + 95 + 15n
= 145 + 33n
Total cost two-day field trip = 145 + 33n
An expression that represents the total cost in dollars for two days for the n members of the club is given by 145 + 33n
find the value of x for the question.
Answer:
5
Step-by-step explanation:
Both angles together will equal as they are opposite of each other
therefore
15x=16x-5
15x+5=16x
5=x
Answer:
x = 5
Step-by-step explanation:
The two angles are congruent because of the Vertical Angles Theorem. Since we now know that they're congruent, we can set up an equation to like this:
15x = 16x - 5
Now that we have an equation, we can solve for x.
First, we subtract 15x from both sides. Now we're left with an equation that should look like this:
0 = x - 5
Now we add 5 to both sides to get our solution. It should look like this.
5 = x
And there's your answer! Hope this helps.
Please help me I need help
How many coins make $7.68 in cents
helpppppppp plzzzzzzzzzzzzzzzzzzzz
Answer:
14 sq units
Step-by-step explanation:
2 units by 7 units is 14 square units
To what amount will $8000 growing if it is invested for 12 years at 6% compounded quarterly
Answer:
The final balance is $16,406.01.
The total compound interest is $8,406.01
Step-by-step explanation:
take the initial balance and multiply that by the interest then take 12 and multiply that times the previous answer.
Jill, an employee at Old Navy, budgets 13 of her yearly salary for clothing. Jill's total clothing bill for the year is $8,220. What is her yearly salary?
The question is incorrect. Please see the correct question
Jill, an employee at Old Navy, budgets 1/3 of her yearly salary for clothing. Jill's total clothing bill for the year is $8,220. What is her yearly salary
Answer:
24,660
Step-by-step explanation:
Let y represent her yearly salary
1/3 × y
1/3y
1/3y= 8220
Cross multiply
y= 8220 ×3
= 24,660
Hence Jill yearly salary is 24,660
WHATS THE VOLUME PLS HELP
Answer:
Step-by-step explanation:
Volume is the quantity of three dimensional enclosed by a closed surface , for example , the space that a substance or 3D shape excipients or contains .Volume is often quantified numerically using the SI derived unit , the cubic metre.
Need help ASAP it’s due at 11:10
Answer:
number 1: i wont guve you the answee but its either A or C thats the hint because your subtracting becasue it says your losing 950 a year so the adding is not it so its not B neither D it has to be either A or C.
number 2: its A
number 3: u think its D im not sure because its either B or D but im pretty sire its D.
number 4: its D there yiu have it hope it helped.
What is 6 fewer than 3 times a number
Answer:
3x - 6
Step-by-step explanation:
Using the keywords "a number" and "few than" and "times" we can identify the expression.
Answer:
Let the number be x
Basically, 3 times a number is 3x and 6 fewer than 3 times a number is 3x-6 (that is, 6 is less than 3x)
Hence the required expression is 3x-6.
hope it helps :)
An item is regularly priced at $31 . It is on sale for 65% off the regular price.
65% off means the sale price would be 35% of the original price ( 100% - 65% = 35%)
To find the sale price multiply the original price by 35%
31 x 0.35 = 10.85
The sale price is $10.85
Earth has a diameter of approximately 8,000 miles. If the circumference of a circle can be found using the formula C = πd, what is the circumference of Earth? (Use 3.14 for π)
Answer: Circumference of Earth= 25120 miles
Step-by-step explanation:
Given: The circumference of a circle can be found using the formula [tex]C = \pi d[/tex], where d= diameter of the circle.
Earth's diameter = 8000 miles (approx)
The circumference of circle = [tex]3.14\times 8000[/tex] [substitute values in formula]
The circumference of circle = 25120 miles (approx)
Hence, the circumference of Earth= 25120 miles (approx)
I Need Help I Don't Understand This
Finding a final amount in a word problem on exponential growth or decay
A certain forest covers an area of ^2. Suppose that each year this area decreases by 8.5%. What will the area be after 8 years?
Use the calculator provided and round your answer to the nearest square kilometer.
is 100/2 a rational number
Answer:
Yes, 100/2 is a rational number.
Answer:
its a rational number because its written as a fraction
hope this helps
have a good day :)
Step-by-step explanation:
If there are 3.28 feet in 1 meter, how many yards are in 8 meters? Round answer to the nearest tenth. (Hint: This problem requires two conversions.)
Answer:
8.7
Step-by-step explanation:
Vincent is building a rectangular pen for his new pet rabbit. The area of the pen is 36 square feet. The length of the fence is 5 feet longer than its width. Write the equation that can be used to model the relationship between the area of the gate and side length
Answer:
w² + 5w = 36
Step-by-step explanation:
Since the pen is a rectangle, its area, A = lw where l = length and w = width.
Since the length of the fence is 5 feet longer than its width, we have l = w + 5
So, A = lw = (w + 5)w = w² + 5w
Since A = 36 ft², we have that
36 = w² + 5w
w² + 5w = 36
Which is the required equation.
Create a polynomial function in factored form that crosses through the x-axis at -2 and touches the x-axis and turns around at 4.
Given:
A polynomial crosses through the x-axis at -2 and touches the x-axis and turns around at 4.
To find:
The polynomial function in factored form.
Solution:
If the graph of a polynomial intersect the x-axis at [tex]x=a[/tex], then [tex](x-a)[/tex] is a factor of the polynomial.
If the graph of a polynomial touches the x-axis at [tex]x=b[/tex], then [tex](x-b)[/tex] is a factor of the polynomial with multiplicity 2. In other words [tex](x-b)^2[/tex] is the factor of the polynomial.
It is given that the polynomial crosses through the x-axis at -2. So, [tex](x+2)[/tex] is a factor of required polynomial.
It is given that the polynomial touches the x-axis and turns around at 4. So, [tex](x-4)^2[/tex] is a factor of required polynomial.
Now, the required polynomial is:
[tex]P(x)=(x+2)(x-4)^2[/tex]
Therefore, the required polynomial is [tex]P(x)=(x+2)(x-4)^2[/tex].
Could someone please help me with the surface area of this prism
Answer:
it is in the picture above
Step-by-step explanation:
please give branliest if you want
Please help!! Can you tell me the answers for number 4, 5, and 6?
I'll give you 5/5 stars, thanks, and the brainliest!!!!! PLEASE HELP MEEE
Answer:
4)56yards²
5)336 yards²
6)375yards²
Step-by-step explanation:
Question-4:from the graph we acquire that
length:4width:3.5remember that,
[tex] \displaystyle A _{ \text{rect}} = l \times w[/tex]
thus substitute:
[tex] \displaystyle A _{ \text{rect}} = 4 \times 3.5 \: [/tex]
simplify multiplication:
[tex] \displaystyle A _{ \text{rect}} = 14\: [/tex]
14 means that the rectangle has 14 squares
so,
[tex] \displaystyle 1 \: \text{square} \implies 4 \: { \text{yards}}^{2} \\ 14 \: \text{square} \implies 14 \times 4 \: { \text{yards}}^{2} \\ \qquad = 56 \: { \text{yards}}^{2} [/tex]
Question-5:likewise
from the graph we acquire that
length:6 wide:3.5likewise
[tex] \displaystyle A _{ \text{rect}} = 6 \times 3.5 \: [/tex]
simplify multiplication:
[tex] \displaystyle A _{ \text{rect}} = 21[/tex]
so,
[tex] \displaystyle 1 \: \text{square} \implies 16 \: { \text{yards}}^{2} \\ 21 \: \text{square} \implies 16 \times 21 \: { \text{yards}}^{2} \\ \qquad = 336\: { \text{yards}}^{2} [/tex]
Question-6:length:6width:2.5likewise
[tex] \displaystyle A _{ \text{rect}} = 6 \times 2.5 \: [/tex]
simplify multiplication:
[tex] \displaystyle A _{ \text{rect}} = 15[/tex]
so,
[tex] \displaystyle 1 \: \text{square} \implies 25 \: { \text{yards}}^{2} \\ 15 \: \text{square} \implies 15 \times 25 \: { \text{yards}}^{2} \\ \qquad = 375\: { \text{yards}}^{2} [/tex]