Answer:
Corresponding angles are congruent, corresponding sides are porportional, and the triangles are similar.
Step-by-step explanation:
Since angles on a triangle add up to 180 degrees, we can figure out that both triangles' angles are 55, 35, and 90. That means the triangles are similar, corresponding sides are porportional, and also means the corresponding angles are congruent. The 4th one cannot be guaranteed, as the triangles could be of different sizes.
-7-2x=7(x+8)
What is the answer for this expression
Answer:
x=-7
Step-by-step explanation:
1. Distribute the 7 into the parenthesis: -7-2x=7x+56
2. Combine like terms by doing the opposite operation to the numbers: -7=9x+56 (added 2x to 7x)
3. Subtract 56 to each side of the equation: -63=9x
4. To isolate the variable "x," divide each side by 9: x=-7
what is the equivalent to (2 − 5)2
Answer:
-6
Step-by-step explanation:
TRIGONOMETRY ANSWER FAST PLS!!!
Answer:
which class question is this
3/10 divided by -1/3
Answer:
3/10 divided by 1/3= 0.9
Step-by-step explanation:
Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore.
If she forgets three times in one month, what will be the change in Jenny’s total allowance?
Can someone help please!!!
Answer:
$7.20
hope this helps
Solve for x in the following equation:
kx = m + nx
Answer:
x=[tex]\frac{m}{k-n}[/tex]
Step-by-step explanation:
First you subtract nx from both side getting kx-nx=m.
Then you factor out x getting x(k-n)=m
and now you divide both sides from (k-n) and you will get the answer.
This shape is a polygon.
O True
O False
Which choice lists the numbers in increasing order?
Answer:
D
Step-by-step explanation:
Because negative is smaller than fractions. and ABC, is all off.
Answer: I think the answer is D/ the last answer
Step-by-step explanation:
Angle A is 12x - 37 and angle B is 7x + 15. If these angles are vertical, what is the value of x?
x=?
CAN ANYONE HELP ME PLEASEEEE????????????????????????//
Answer:
x = -439
Step-by-step explanation:
Oh, ok this one will take a while for me to type ;) breath in and breath out!
Ok so watch my steps:
1. 12[tex]x[/tex] - 37
multiply #1 by 7
1. 84x - 259
now multiply #2 by 12 and line 'em up
2. 84[tex]x[/tex] + 180
1. 84x - 259 ( -
-----------------------
x + 439 = 0
x = 0 -439
x = -439
solve 2 - v = - (v - 2)
Answer:
All real numbers
Step-by-step explanation:
Answer:
0=0
Step-by-step explanation:
2-v=-(v-2)
2-v=-v+2
-v+v=2-2
0=0
x2+9x+20 plz help with it
Answer:
11x + 20
Step-by-step explanation:
x2 + 9x + 20
2x + 9x + 20
11x + 20
Hope this helped!
Answer:
(x + 5)(x + 4)
Step-by-step explanation:
Assuming you require the expression to be factored
Given
x² + 9x + 20
Consider the factors of the constant term (+ 20) which sum to give the coefficient of the x- term (+ 9)
The factors are + 5 and + 4, since
5 × 4 = + 20 and 5 + 4 = + 9 , thus
x² + 9x + 20 = (x + 5)(x + 4) ← in factored form
15(t+2)+9t=6 Please help!
Answer:
t = -1
Step-by-step explanation:
15(t+2)+9t=6
15t + 30 + 9t = 6
combine like terms
24t +30 = 6
subtract 30 both sides
24t = -24
t = -1
22-5(6v-1) = -63
22- 30v + 5 = -63
27 -30v = -63
subtract both sides by 27
-30v = -90
divide it by -30
v = 3
Answer:
-1
Step-by-step explanation:
15(t+2)+9t=6
15t+30+9t=6
15t+9t=6-30
24t/24=-24/24
t=-1
Denise earns $30 an hour. She works 40 hours per week. Denise would like to purchase a computer that costs $2000. Create and solve an inequality in order to determine the least amount of hours she must work in order to be able to purchase the computer?
Answer:
67hours hoursStep-by-step explanation:
Given
she works $30 for 1 hour
in 40 hours she will earn 40*30= $1200
this means that a week she earns $1200
let the number of weeks she needs to work be x
40x*(30)<=2000
1200x<=2000
x<=2000/1200
x<=1.66
the number of hours in a week is 40
40*1.66=66.66
67hours
hence she must work for at least 67hours
Insert the parenthesis to make the equality right:630÷7÷2⋅9⋅25=125
Answer:
(630 ÷ 7) ÷ (2 ⋅ 9) ⋅ 25 = 125
Step-by-step explanation:
630 ÷ 7 ÷ 2 ⋅ 9 ⋅ 25 = 125
(630 ÷ 7) ÷ (2 ⋅ 9) ⋅ 25 = 125
90 ÷ 18 ⋅ 25 = 125
5 ⋅ 25 = 125
125 = 125
Find the x-coordinate of Q' after Q(-2.5) was reflected over the line y = -x + 4.
Answer:
Q' would be (5, 6)
I need help with this question
Answer:53km/h
Step-by-step explanation:
you divide 424 by 8 in order to find the unit rate or the amount of kilometers per hour
Which of the following is the best estimate for the total change in distance from the group of students' original position at the surface? Round to the nearest ten.
Answer:
- 20 feet
Step-by-step explanation:
Which of these graphs represents a function?
A. W
B. X
C. Y
D. Z
Answer:
Y
Step-by-step explanation:
Which of the following is a rational number?
A) v15
B) v16
C) v17
D) v18
(the v is supposed to be the square root sign)
Answer:
B. √16=4
Step-by-step explanation:
blueberries cost $4.00 per pound.A how many pounds can you buy for $1.00? so i took half of 4 which is 2 and i said it was 2 pounds and i dont know if its right
Answer: 1 /4 of a pound
Step-by-step explanation:
Since 1 pound = 4.00$, 1.00$ would equal 1/4 of a pound.
How did I solve this? I divided 4$ by 4 and got 1 then divided 1 pound by 4 and got 0.25 or 1/4
2 would not be right because you would be paying for 2 pounds which is 8 dollars, not 1.
Hope this helps! if it did could I have a Brainly? Thx! :3
Use FOIL to determine the following Expression
Answer:
Undefined?
Step-by-step explanation:
x^2-12x+20=(x-2)(x-10)
x^2-12x+20=x^2-10x-2x-20
-12x+20=-12x-20
20=-20
40=0
Solve the proportion.
X over 12 (fraction) = three over four (fraction). x = ??
evaluate f(z) for z=7
I need help with this
Answer:
Im gonna have to say A.
Step-by-step explanation:
Because if you look at the pair triangles in A. The sides are not equal according to the hash marks.
Please help!
Theresa's Book Barn sold $10,347 worth of books during September. In October, their sales were $12,115. How much higher were Theresa's book sales during October than in September? Explain how you got your answer.
Answer:
awnser is 1718
Step-by-step explanation:
Answer:
$12,115 - $10,347 = $1,768. the difference is $1,768 this is how much more in sales they had in October
Jenny is organising a party,
She buys some paper plates and some plastic cups.
Paper plates are sold in packs.
There are 25 plates in a pack,
Each pack costs 78p.
Plastic cups are sold in packs.
There are 35 cups in a pack.
Each pack costs £1.10
Jenny buys exactly the same number of plates and cups.
What is the least amount of money she pays?
5 Marks
Select the equivalent expression.
1/3 = ?
Answer:
A. 3^-1
Step-by-step explanation:
1/3 turned into a decimal is .33 (Repeating). Let's find which answer can repeat the same way.
A. 3^-1 = .33
B. (-1)^3 = -1
C. (-3)1 = -3
I am assuming you do not need work shown. I have used a calculator for this one.
The value of x varies directly with y, and when x= 2/3, y=6. Find the value of y when x = 10 1/3
See the image above for explanation.
All done!
Solved!
:-)
When x= ([tex]10\frac{1}{3}[/tex]) the value of y is 93.
What is proportion?In general, the term "proportion" refers to a part, share, or amount that is compared to a total.
According to the concept of proportion, two ratios are in proportion when they are equal.
Two ratios or fractions are equal when an equation or a declaration to that effect is utilised.
A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.
Given:
when x= 2/3, y=6.
Using constant proportionality
y = kx
k= y/x
k = 6 / (2/3)
k = 6 x 3/2
k = 9
Now, k= y/x
9 = y/ ([tex]10\frac{1}{3}[/tex])
9 = y / (31/ 3)
y = 9 x 31/3
y = 93
Hence, the value of y is 93.
Learn more about proportion here:
https://brainly.com/question/26974513
#SPJ5
2(x+y)=3(y-1)
If y=5 in the equation above, what is x?
Answer:
X=1
Step-by-step explanation:
2(X+5)=3(5-1)
2x+10=3*4
2x=12-10
2x=2
X=2÷2
X=1
Pls help Question is below.
i got 2.7 by dividing 12.15 by 4.5 but im not 100% sure if thats it