Answer:
m = 2, c = 1
Explanation: In the y = mx + b (or y = mx + c) format, the m is the slope of the line and the c/b is the y-intercept, or where the line crosses the y-axis. If we substitute the information from the given equation, y = 2x + 1, into the general formula, we know that the m is 2 and c is 1.
Solve the following system by elimination:
4x+3y=2
5x + 4y = 3
Answer:
5x+4y=3
- 4x+3y=2
-----------------
x+y=1
What is measurement angle B?
Answer: 80 degrees
Step-by-step explanation:
Answer:
B = 54 to the nearest degree.
Step-by-step explanation:
Remark
This is a sine law question. They can be rather nasty because no answer or 2 answers are possible. This one is well behaved because B, you are told, is acute. The two answer kind needs the supplement of an acute angle.
Sorry this blabs on and shouldn't. You are looking for <B
Formula
Sin(<B)/the side opposite = Sin(<A) / side opposite it
Simplified
Sin(<B) / 9 = Sin(A)/11
Sin(<B) / 9 = Sin(80) / 11 Multiply both sides by 9
9*Sin(B) / 9 = 9 * Sin(80) /11 The 9s Cancel
Now all you need to do is put it in your calculator. Do you need the steps?
Sin(B) = 9*sin(80) / 11
Sin(B) = 9 * 0.9848 /11
Sin(B)= 0.8058
B = Sin-1(0.8058)
B = 53.68
B = 54
The sale price of $24 was 80 percent of the regular price.
What was the regular price?
Sue has taken four exams so far in her History course. Her scores are 84.0, 78.2, 93, and 87.5. What is the average of these scores?
Answer: 85.7
Step-by-step explanation:
2/5 of 16= (estimate each product)
Answer:
6.4 rounds down to 6.
Step-by-step explanation:
Divide 16 by 5. Multiply that number by 2.
A scale drawing of a rectangle painting is 12 inches long and 8 inches tall. The actual painting is 12 feet tall. What is the scale of the drawing? What is the perimeter of the actual painting? What is the area of the actual painting?
Answer:
x = 18
Step-by-step explanation:
[tex]\frac{8}{12} = \frac{12}{x}[/tex]
then cross-multiply8x = 12 * 12
8x = 144
[tex]\frac{8x}{8} = \frac{144}{8}[/tex]
x = 18
In AQRS, the measure of _S=90°, SQ = 13 feet, and QR = 59 feet. Find the measure
of ZR to the nearest tenth of a degree.
Answer:
Step-by-step explanation:
12.7
Semira’s puppy weighs 12.4 pounds and is growing at a rate of 0.8 pound per week. Cedric’s puppy weighs 9.2 pounds and is growing at a rate of 1.2 pounds per week. Let x represent the time in weeks and y represent the weight of the puppy in pounds. Which system of equations can Semira and Cedric use to determine after how many weeks their puppies will weigh the same?
{y=0.8x+12.4
{y=1.2x+9.2
{y=12.4x+0.8
{y=9.2x+1.2
{y=0.8x+1.2
{y=12.4x+9.2
{y=1.2x+0.8
{y=9.2x+12.4
Prism or pyramid pleaseeeeeeeee helpp
Answer:
Prism
Step-by-step explanation:
Evaluate 8a- 1 + 0.5b when a = 1/4 and b = 10
what is -2 x 3 i do not understand this and this is my last problem
Answer:
-6
Step-by-step explanation:
if they were both positive numbers, it would be 6. But when you multiply a negative by a positive, the answer is negative.
Answer:
-6
Step-by-step explanation:
When you multiply a positive number by another positive number, you will always get a positive number as your answer. Same thing for negative. If you multiply a negative by a negative, you will always get a positive. However, when you multiply a negative by a positive, you will always get a negative number.
Since you know this, you can multiply 2 by 3, which is 6. Because 2 is negative and 3 is positive, you know that the answer must be negative. Therefore, you add the negative symbol to 6, giving you -6.
I hope this isn't too confusing. Please let me know if you have any more questions. Good luck!
ez math help -thanks
Answer:
use photo math.....
1) -8
2)9
3)18
Using the coordinate plane shown below, a third point is plotted 5 units to the right of (-4, 4). Where should a fourth point be plotted in order to create a rectangle?
(1, -4)
(1, 4)
(4, -1)
(-4, 1)
Answer:The answer is (1,-4).
Step-by-step explanation: Please mark this brainliest.
help me please ,
if a = 5, what is a +6?
Answer:
B.11 correct
Step-by-step explanation:
a=5
a+6
5+6=11
11 is the correct answer so B.11 is correct
Answer:
11
Step-by-step explanation:
If a=5 and there is a+6 you need to plug in the 5 from the a=5 in the equation a+6 to get 5+6 which equals 11 :D
please help really need it will give thanx points
Answer:
62x49
Step-by-step explanation:
take away 16 from both sides
Write an equation for the polynomial graphed below
y(x) =
ASAP HELP TYYY
A purse with a price of $58.45 has an 8% sales tax. What is the sales tax dollar amount?
Can someone please help with this one I will report false/fake answers please someone.
I will also give brainiest.
Answer:
I belive it is 2.9716
Step-by-step explanation:
6. 10-2 is how many times as large as 2 . 10-8?
Answer:
105 I think i might have did it wrong
Step-by-step explanation:
3.25 ÷ 10. 2) 685.34 ÷ 102. 3) 87 * 105.
please help me please i really need help please
Answer:
5.2
Step-by-step explanation:
a^2+b^2=c^2
a^2+3^2=6^2
a^2+9=36
-9. -9
-----------------
square root a^2 = square root 27
a= 5.1961524227
a = 5.2
Help please plzzzzzzzz
Answer:
60
Step-by-step explanation:
120 + 90 + 90 + 60 = 360
Show all work please :)
Answer: To find the inverse, interchange the variables and solve for y.
Step-by-step explanation:
f-^1 (x)= - 5x/3
The graph shows a proportional relationship. Which equation matches the graph?
Answer:
3x
Step-by-step explanation:
On a piece of paper, graph y< 2x+2. Then determine which answer choice
matches the graph you drew.
А
B
С
D
(0,2)
(0.2
(0.2)
(0,2)
1.4.1)
1.4.1
(1.4.1)
(4-1)
A. Graph A.
B. Graph B
ОО O
C. Graph C
D. Graph D
Answer:
graph A
Step-by-step explanation:
because 2x+2,x ...-1
so it is lies in graph A
Express each decimal to fraction 77.0075
Answer:
77[tex]\frac{3}{400}[/tex]
Step-by-step explanation:
Answer:
30803/400
Step-by-step explanation:
77.0075 = 770075/10000
= 154015/2000
= 30803/400
Solve the inequality. y - 28 > 53
y > 28
y > 53
y > 81
y > 25
Answer:
y > 81
Step-by-step explanation:
82 - 28 = 54
So, 54 > 53
(I don't know how to explain this properly but this is the answer)
1. A ball is kicked up from a platform 36 feet above the ground. The height of
the ball h(t) above the ground (measured in feet) can be modeled by the
function h (t)
-3t2 + 12t + 36, where t represents the amount of time
(in seconds) since the ball was kicked. How long to the nearest second did it
take the ball to hit the ground?
-
seconds to hit the ground
Answer:6
Step-by-step explanation:
So when the ball hits the ground -3t^2+12t+36 must equal 0
So you can factor a -3 out
-3(t^2-4t-12)=0
Factor -3(t-6)(t+2)=0
T-6=0 t+2=0
T=6 t=Negative 2
And since time can’t be negative the answer is 6
If the circumfrence of a circle is 117cm find length
Answer:
find the length??
Step-by-step explanation:
you do understand that length means finding how long something is right?
c2 - 6c-5
Evaluate the expression when c = -2
I need helppp!! This is confusing !
Answer:
9
Step-by-step explanation:
So the little arrows on the lines means they are equal to each other so if you look, A to D and B to C have only one arrow meaning those two lines are the same lines
and A to B and D to C have two arrows meaning those two lines are the same
so that means if A to B is 9 and it's equal to the line D to C, then D to C is also 9
Hopefully this wasn't too confusing
Answer:
mCD = 9
Step-by-step explanation:
Because this polygon has opposite parallel sides, meaning each side across from each other are parallel, we know that this is a parallelogram. So:
AB ║ DC
BC ║ AD
Because this is a parallelogram, we know that, from the properties parallelograms, opposite sides of a parallelogram are congruent. This means that AB ≅ DC.
This also means that because AB = 9 and AB = DC, DC = 9.
Here's a mini two-column proof:
Statements → Reasons
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
mAB = 9 → Given
AB ║ DC, BC ║ AD → Given
ABCD is a parallelogram → Definition of a Parallelogram
AB ≅ DC → Opposite sides of a parallelogram are congruent.
mAB = mDC → Definition of Congruent Segments
9 = mDC → Substitution Property of Equality
mCD = mDC → Reflexive Property of Equality
mCD = 9 → Substitution Property of Equality