I assume a, b, and c are the measures of the angles A, B, and C themselves. (If you meant lengths of the sides opposite these angles, this would be impossible.)
The interior angles to any triangle sum to 180° in measure, so
A + B + C = 180°
Now,
• A is twice the size of B, so A = 2B or B = A/2
• C measures 20° less than A, so C = A - 20°
Substitute these into the first equation and solve for A :
A + A/2 + (A - 20°) = 180°
5/2 A - 20° = 180°
5/2 A = 200°
A = 80°
Solve for B and C :
B = 80°/2
B = 40°
C = 80° - 20°
C = 60°
The quotient of 105 and the sum
of one and four.
Answer:
21
Step-by-step explanation:
105/(1+4)
= 105/5
= 21.
please solve 2x+1<1 or x+5>8 for me please xx <3
Answer:
x=0
Step-by-step explanation:
Subtract 1 from both sides
2x+1-1<1-1
Simplify the arithmetic
2x<1-1
Simplify the arithmetic
2x<0
Isolate the X
X=0
hi please help i’ll give brain
Answer:
9
Step-by-step explanation:
Answer:
The GCF is going to be 9
Step-by-step explanation:
When finding the GCF, you want to do prime factorization of each number.
18's prime factorization is, 2 × 3 × 3, which equals 18
36's prime factorization is 2 × 2 × 3 × 3, which equals 36
45's prime factorization is 5 × 3 × 3, which equals 45
Now all you have to do is find the factors common in each one, which is 2 three's. You then multiply 3 × 3 = 9. That is your answer
2.
In the number below, what place value is the digit 2 in?
6.3529
b) Thousandths
a) Tens
d) Ones
c) Hundredths
Answer:
the digit two is in tens... so a) is the answer
Aaron has 15 books to put on shelves. He wants to put the same number of books on each shelf. Which of the following lists shows all of the choices for how many books to put on each shelf?
Answer:
3 books on each shelf
5 books on each shelf
Step-by-step explanation:
5(x-4)=4(x-5) solve the equation
Answer:
5x-20 =4x-20
5x-4x = -20+20
x= 0
simplify the polynomial. answer in standard form
Answer :
y^2 - 4y + 3
Step-by-step explanation:
You have to distribute.
Solve y = x + 4 for x
(9th-grade Algebra 1)
Answer:
[tex]x=y-4[/tex]
Step-by-step explanation:
Solve for x by simplifying two sides of the equation then isolating the variable.
Hope this helps!
Canada has a population that is about 1/10 as large as the United States. If Canada's population is about 32 million, about how many people live in the United States? Explain the number of zeros in your the answer.
Lets US population be x
ATQ
[tex]\\ \sf\longmapsto \dfrac{x}{10}=32[/tex]
[tex]\\ \sf\longmapsto x=32(10)[/tex]
[tex]\\ \sf\longmapsto x=320million [/tex]
1 million has 6zeros 320million has 7zerosCanada has a population that is about 1/10 as large as the United States. If Canada's population is about 32 million, about how many people live in the United States? Explain the number of zeros in your the answer.
Solution:-Given,
Population of Canada = 32 million (1/10 of that of the USA)
=> Let the population of the USA be 'x'.
Now,
→ x/10 + 32 (million)
→ x = 32 × 10
→ x = 320 million.
(The number of zeros in 1 million is 6, so the number of zeros in 320 million will be 7)
Answer:-320000000 or 320 million.
Find the missing angle and x
the correct answer of this question is 32 I mean the value of X is 32
A triangular traffic sign has a height of 45 cm. It is 75 cm long at its base. What is the area of the sign?
Answer:
Step-by-step explanation:
Hello!
(75* 45)/2 => 1687, 5 cm²
[tex]\text{A}=\frac{1}{2}\cdot\text{a}\cdot\text{h}\\\\\text{a}\longrightarrow\text{base}\\\\\text{h}\longrightarrow\text{height}\\\\-----------\\\\\text{a}=75 \ \text{cm}\\\\\text{h}=45 \ \text{cm}\\\\\text{A}=\frac{1}{2}\cdot75 \ \text{cm}\cdot45 \ \text{cm}=37,5 \ \text{cm}\cdot45 \ \text{cm}=\boxed{1687,5 \ \text{cm}^2}[/tex]
Factor this expression
3x^2-11x-20
Answer:
(3x-4)(x+5)
Step-by-step explanation: First set up a diamond problem. Find what two numbers add to 60 since 3*20 and add to -11. That would be 15 and -4. Then draw a 2x2 box, and put in 3x^2 the -20, 15x and -4x. Then find the factors. Hope that helped! :)
Answer:
(3x+4)(x-5)
Step-by-step explanation:
PLEASE HELP.I WILL MARK YOU BRAINLIEST
A baseball team won 16 games and lost 11. At this rate, how many games will it win in a 162-game schedule?
==========================================================
Explanation:
The team won 16 games and lost 11 so far. At this point in the season, they played 16+11 = 27 games total. Their win rate is 16/27.
Set this equal to x/162 which is the win rate for winning x games out of 162 played over the entire season.
Solve for x.
x/162 = 16/27
27x = 162*16 ... cross multiplication
27x = 2592
x = 2592/27
x = 96
The team would win 96 games if it kept the same winning rate going.
Notice that 16/27 = 0.5926 = 59.26% and how 96/162 = 0.5926 = 59.26% as well (both are approximate). This helps confirm we have the correct answer.
-------------------------
Here's another slightly longer way to solve. If you prefer the first method above, then ignore this section.
w = number of games won over the entire 162 game season
162-w = number of games lost over the entire season
w/(162-w) = win to loss ratio
16/11 = win to loss ratio after winning 16 games and losing 11
Setting those last two expressions equal to each other and solving for w gets us...
w/(162-w) = 16/11
11w = 16(162-w)
11w = 2592-16w
11w+16w = 2592
27w = 2592 ... this hopefully looks a bit familiar from before
w = 2592/27
w = 96 games won
Perform the indicated operations. Write the answer in standard form, a+bi.
(9 + 2i)(9 - 2i)
Answer:
It can't be expressed in that form
Step-by-step explanation:
From difference of two squares:
[tex]{ \boxed{(a + b)(a - b) = ( {a}^{2} - {b}^{2} )}}[/tex]
a » 9
b » 2i
[tex](9 + 2i)(9 - 2i) = \{ {(9)}^{2} - {(2i)}^{2} \} \\ \\ = (81 - 4 {i}^{2} )[/tex]
but i² is -1 [ complex numbers ]
[tex] = \{81 - 4( - 1) \} \\ = 81 + 4 \\ = 85[/tex]
Answer:
[tex](9 + 2i)(9 - 2i) \: \\ this \: can \: be \: wrtten \: as \: \\ {9}^{2} - {2i}^{2} = 81 - 4 \times - 1 \\ = 81 + 4 = 85 \\ then \: 85 + 0i \\ thank \: you[/tex]
if oranges cost 2$ and each and you buy 27 oranges how much do u neec to spend
Answer:
$54 Dollars
Step-by-step explanation:
just multiply 27 by 2 and you get $54
help asap pls thanks sm
Answer: 18
Step-by-step explanation:
Please help me with this, I need this by tomorrow!
Answer:
i don't know because i am not from yours school
Put the following numbers from greatest to least greatest 1 17 51 -4 -25
Answer:
51, 17, 1, -4, -25
Step-by-step explanation:
Hope this helps
Determine the value of each of the following expressions. a.
2.2
×
1.3
2.2×1.3 b. 39.5 + 8.74, c. 33.4 − 2.11, d.
470.4
÷
5.6
470.4÷5.6
a=2.86
b=48.24
c=31.29
d=84
_______is the process of paying off a debt with regular fixed payments.
i need help please!!!!!!!!!!!!!!!!!!!!!!
Answer:
Ayden you should have just asked mrs martinez
Step-by-step explanation:
5 * 5^2
5*5=25*5= 125
ANSWER THIS PLEASE NO PHOTO ANSWERS!!
[tex]\frac{3a-1}{8} = \frac{a+9}{4}[/tex]
Answer:
a = 19
Step-by-step explanation:
[tex] \frac{3a - 1}{8} = \frac{a + 9}{4} [/tex]
[tex]4(3a - 1) = 8(a + 9)[/tex]
[tex]12a - 4 = 8a + 72[/tex]
[tex]12a - 8a = 72 + 4[/tex]
[tex]4a = 76[/tex]
[tex]a = 76 \div 4[/tex]
[tex]a = 19[/tex]
Find the perimeter. Simplify your answer.
7z+5
22-1
32-9
62+3
(7z + 5) + (2z - 1) + (6z + 3) + (3z - 9) =
= 7z + 5 + 2z - 1 + 6z + 3 + 3z - 9 =
= 7z + 2z + 6z + 3z + 5 - 1 + 3 - 9 = 18z - 2
Multiply 1 over 2 multiplied by negative 1 over 4 . Which of the following is correct?
a
negative 1 over 8
b
negative 1 over 9
c
negative 1 over 10
d
negative 1 over 16
Answer:
im pretty sure its A
Step-by-step explanation
if ad and pm are medians of two similar triangles abc and pqr such that ad:pm=4:9, then calculate ar. triangle abc/ar. triangle pqr
Answer:
4/9
Step-by-step explanation:
ad(base)/2 = abc
4x(4y)/2 = 4xy/2 = 2xy
pm(base)/2 = pqr
9x*9y/2 = 9xy/2 = 4.5xy
2xy/4.5 xy = 2/4.5 = 4/9
I'm not really sure, hopefully it works. I suck at geometry.
Bill weights 120 pounds and is gaining 10 pounds each month. Phil weights 150 pounds and is gaining 4 pounds each month. How many months, m, will it take for Bill and Phil to have the same weight? (Please provide the equation and the answer.)
The answer should be 3 months
Answer:
it will take 5 months
Step-by-step explanation:
In the triangle above, Eight-fifteenths represents which ratio?
A right triangle is shown. Side A B has a length of 15, side A C is 8, and side C B is 17. Angle A is a right angle.
Answer:
a
Step-by-step explanation:
help me please i appreciate it
Answer:
17.5
plsss mark brainliestt
Step-by-step explanation:
10÷4=2.5
7×2.5=17.5
Answer:
4/7=10/x
or, 4×x=10×7
or, 4x=70
or, x = 70/4
or, x = 17.5
Thus, x is 17.5
bob pays his gym 99 per month and can attend 12 group classes. each additional class costs 5. if his bill for the month was 124, how many extra classes did he attend