Answers
Step-by-step explanation:
it is given r=s
then, t =100.
2s+t=180°
2s=180-100
2s=80°
s=40° = r
hope this helps you.
Related Questions
Alicia wants a pair of shoes that cost $68.48. If 17% sales tax must be added to the price, approximately
how much will the shoes cost including sales tax?
Answers
Answer:
$80.12; approx. $80
Step-by-step explanation:
- multiply 68.48 x 17% or 68.48 x 0.17 = 11.64
- the tax is 11.64
- add 68.48 + 11.64
- her total is $80.12
- rounded it would be $80
Hope this helped!
3(x+1)=2(x-3) whats the answer
Answers
The answer is -9
I dont know the step-by-step used a calculator
For brainily please help
Answers
The slashes mean the opposite angles are the same. This is and isosceles triangle, which mean two sides are the same and one is not.
A triangle = 180
We know one angle is 42 and the other two angles are the same.
Subtract 42 from 180
180 - 42 = 138
Now the 138 is going to two sides but we know they are equal so we can divide 138 by 2
138 divided by 2 = 69
So b = 69
find the area
(not to scale)
Answers
Answer: no
Step-by-step explanation: no
Which equation represents “fifteen more than r is sixty-one?”
Answers
Answer:
r + 15 = 61
Step-by-step explanation:
Peyton made a 40% on her Math test. If she got 12 questions correct, how many total questions were on the test?
Answers
Answer: 30
Step-by-step explanation:
40% = 12 | 40% + 40% = 80% | 80% = 24 | 12 / 2 = 6 | 6 = 20% | 40% + 40% + 20% = 30 questions
Please note that i'm not a professor and i might have this wrong.
Please please help me with this question please now and show your steps
Answers
a) y-intercept
The y-intercept is the point where it crosses the y axis so x would 0.
So putting in 0 for x:
y = x^2 - 8x + 7
y = 0^2 - 8(0) + 7
y = 0 - 0 + 7
y = 7
The y intercept is at the point (0,7).
b)
The zeroes are the points where it crosses the x axis so it’s when the y is set to 0.
0 = x^2 - 8x + 7
Since it’s a quadratic equation we have to factor it. We fill in 2 numbers that add to -8 and multiplied to equal 7.
(x +____)(x+ ____)
The 2 numbers are 7 and -1 because -1*-7=7 and -7+(-1)=-8. So:
0 = (x-7)(x-1)
So now we have x-7 and x-1 equaling some quantity. If either of those happens to equal zero, it makes the whole equation 0, because (x-7)0=0 and 0(x-1)=0
So we can set each of it separately to 0 to solve for x.
x-7=0
x= 7
x-1=0
x= 1
The zeroes are at the points (1, 0) and (7, 0)
C.
The Vertex Form of a Quadratic is:
y = a(x-h)^2 + k. And the vertex is (h, k)
y = x^2 - 8x + 7
y - 7 = x^2 - 8x
We want to complete the square by adding some number to both sides of the equation so that when we factor it we are going to get (x-a)(x-a).
So take half of 8 to get two equal numbers that would be our “a”. 8/2=4 so we want (x - 4)(x- 4).
(x-4)(x-4) multiplies out to x^2 - 8 + 16.
continuing,
y - 7 = x^2 - 8x
Add 16 to both sides.
y - 7 + 16 = x^2 - 8x + 16
y + 9 = (x-4)(x-4)
y + 9 = (x-4)^2
y = (x-4)^2 - 9 is the vertex form.
The vertex is at the point (4, -9). So the axis of symmetry is at the line x = 4.
D. The vertex is solved in C as the point (-4, -9).
Expand the brackets in this expressions
(2y)²
Answers
Answer:
4y²
Step-by-step explanation:
(2y)² = 2²*y² = 2*2*y² = 4y²
if i fill the 42 L tank in my car and take a 360km trip. If my car consumes gasoline at a rate of 8 L per 100km how muck farther can i go before i run out of gasoline.
Answers
Using the principle of proportional relationship, the 42 L of gas can go for a further 165 km
Consumption rate = 8L for 100 km
Km per Litre :
8L = 100km
1 L = m
8m = 100
m = (100 ÷ 8)
= 12.5 kilometer per Litre
Number of kilometers for 42 L
12.5 km = 1 L
m = 42 L
Cross multiply
m = 12.5 × 42
m = 525 km
The difference in the distance = 525 - 360 = 165 km
Therefore, the gas can go for a further 165 km
Learn more : https://brainly.com/question/18112348
Need some assistiance.
Answers
Solution
Answer:
B. 1 1/7
Step-by-step explanation:
Pls, choose me as brainliest!
Which relationship is NOT a function?
Answers
Answer:
a
Step-by-step explanation:
Answer:
If it is possible to draw any vertical line (a line of constant x) which crosses the graph of the relation more than once, then the relation is not a function. If more than one intersection point exists, then the intersections correspond to multiple values of y for a single value of x (one-to-many).
Step-by-step explanation:
draw a suitable line on the grid and use your graphs to solve the equation 2/x - x^2 =5x
Answers
Answer:
I graphed the answer above in the image
Find the slope, m, and y-intercept, b, for the graph of the linear equation represented by the table below.
Answers
Answer: m=1/2, b=-7
Step-by-step explanation:
(0,-7) is the y-intercept on the line...
Tony can cycle a distance of 9 5/6 in 3/5 hours. What is his unit rate?
Answers
Answer:
19.66
Step-by-step explanation:
9.83 / 0.5
19.66
Sorry if it is not correct but I think that this is the corrcet answer.
HELP PLEASE I NEED HOW TO DO IT AND THE ANSWER FAST PLEASE
Answers
Answer:
4
Step-by-step explanation:
factor the numerator and denominator and cancel the common factors
Your mom opens an account to save money for a family vacation. The account earns an animal interest rate of 4%. She earns $37 in simple interest after 6 months. How much money did she put in the account when she opened it? Use the formula: I=prt
Answers
Answer:
I = $ 0.74
Step-by-step explanation:
First, converting R percent to r a decimal
r = R/100 = 4%/100 = 0.04 per year,
putting time into years for simplicity,
6 months ÷ 12 months/year = 0.5 years,
then, solving our equation
I = 37 × 0.04 × 0.5 = 0.74
I = $ 0.74
The simple interest accumulated
on a principal of $ 37.00
at a rate of 4% per year
for 0.5 years (6 months) is $ 0.74.
BRAINLIEST PLEASE
Can someone please help me with this I really need help.
Answers
Answer:
The angle mPQO is 86°
Step-by-step explanation:
123°-37°
PLEASE HELP complete the construction a perpendicular line to segment AB through point P.
Answers
Answer:
.
Step-by-step explanation:
sorry i can't help
Which graph shows y=x^2+3x-4
Answers
Answer:
Third graph in the photo
Step-by-step explanation:
x^2+3x-4 can be factored as (x+4)(x-1). When y=0, x must be -4 or 1 to satisfy the equations, and thus the roots of the graph are at x=-4 and x=1. When x=0, y=(4)(-1)=-4. The only graph that satisfies both of these requirements is the third/last one.
10 ft 8 ft 6 ft Find the area of this figure. Round your answer to the nearest hundredth. Use 3.14 to approximate n. A = [ ? ] ft?
Answers
Answer:
l×b×h-this is the order
10×8
=80 --area 1:maximum
10×6= 60--area2: minimum area
8×6=48--area3:middle area
if you follow the order
the answer is= 60ft
Yolanda would like to attend a 12-month program that will certify her as a court reporter. The program costs $8,500 in tuition, fees, and books and will allow her to make
about $31,250 a year when she becomes certified. She will not have time to work during the year of training. Assuming she could make $18,000 a year without the
training, how many years will it take her to recoup her investment? years
Answers
Answer:
15 months and 8 days
Step-by-step explanation:
31,250 / 12 = 2604.16667 8,500/ 2604.16667 = 3.264 months of second year 12 + 3.264 = 15.264 months days 30 * 0.264= 7.92 add the together = 15 months and 8 days
can someone answer this
Answers
Answer:
b.d-6 that's the correct answer
Answer:
it is a
Step-by-step explanation:
Will mark brainly if correct please help
Answers
Answer:
n=7Step-by-step explanation:
84×2=n×24168=24n168/24=nn=7Simplify 20+16➗2
Please answer ASAP
Answers
Answer:
28, trust me
Step-by-step explanation:
PLEAS HELP SOLVE FOR A WITH STEPS PLZ DUE TONIGHT
Answers
Ans wer
i dont know hmmmmmmmmmmmmmmmmmmmmmmmmmm
Step-by-step explanation:
Multiply on both side and equal it toda h other
you divide a number by 3, add 6, then subtract 7. The result is 4. What is the number?
Answers
Answer:
15
Step-by-step explanation:
15 because 15 divided by 3 equals 5 + 6 equals 11 and 11 minus 7 equals 4
State if the triangle are similar amd if they are, give the reasons AA SSS SAS
Answers
which triangles?
i see no triangles
try again bro
Maizes grandmother open the second account with $75 for her when she was born the account is 4% simple interest each year when Maize is 10 years old how much will she have in the savings account?
Answers
Answer:
She'd have $45
Step-by-step explanation:
4% of 75 is 3 dollars.
So 3 dollars per year and after 10 years the account lost $30 to the simple interest.
3*10(AmountOfYears)=30
So 75-30=45
$45 would be left in the savings account.
Is g correct? I need help in this
Answers
4% of 16 is 0.64. Add that to 16 and you get 16.64, letter F.
Find the value of x. Then find the measure of each labeled angle.
Answers
Answer:
x = 114°
Step-by-step explanation:
x + (x - 48) = 180
2x = 228
x = 114
114 - 48 = 66