Answers
Answer:
[tex]x^o+2x^o=180^o [Sum~of~angles~of~straight~line~is~180^o]\\or, 3x^o=180^o\\or, x = 60^o[/tex]
Step-by-step explanation:
x + 70° = 130° {exterior angle of a triangle is equal to the sum of two opposite interior angles}
x = 130° - 70°
x = 60°
Now for 2x = 2 * 60° = 120°
Related Questions
Evaluate the function w=-5x-1 when x=-3,0, and 8.
Answers
When x = -3;
w = -5(-3) - 1
w = 15 - 1
w = 14
When x = 0;
w = -5(0) - 1
w = 0 - 1
w = -1
When x = 8;
w = -5(8) - 1
w = -40 - 1
w = -41
Best of Luck!
Rita has 10 centimeters of
ribbon. She cuts the
ribbon into 8 equal pieces.
What is the length, in
centimeters, of each
piece of ribbon?
Answers
Answer: 1.25
Step-by-step explanation:
because it is
Hari can do a piece of work in 8 days. In how many days would he do one-fourth of the same work ? Can anyone show the process as well ? Will matk brainlieast
Answers
Answer:
2 days
Step-by-step explanation:
I figured out what 1/4 of 8 was by taking 2 and multiplying it by 4. You can also get this same answer by dividing 8 by 4.
Find 25% of 14.
A. 3.5
B. 11.5
C. 12
D. 7
Answers
Answer:
A
Step-by-step explanation:
PLEASE HELP!
James ran 28 miles in `2\frac{1}{3}`hours. What was his rate in miles per hour?
Write the expression, then solve. Must show all work.
Answers
Answer:
15 mph
Step-by-step explanation:
28mi=2 1/3
2 1/3 = 2 hrs 20min
110min
28/110=.254 mi per min
.25*60=15 mi per hrs
Write as a product (5c-3d)^2-9d^2
Answers
Answer:
25c^2-30cd
Step-by-step explanation:
The product of expression is,
⇒ 5c (5c - 6d)
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The expression is,
⇒ (5c - 3d)² - 9d²
Now, We can write the expression in form of product as;
⇒ (5c - 3d)² - 9d²
⇒ (5c - 3d)² - (3d)²
⇒ (5c - 3d - 3d) (5c - 3d + 3d)
⇒ (5c - 6d) (5c)
⇒ 5c (5c - 6d)
Thus, The product of expression is,
⇒ 5c (5c - 6d)
Learn more about the mathematical expression visit:
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#SPJ2
What is the length of QR
Answers
Answer:
8
Step-by-step explanation:
Set 3n-1=5n-7.
Solve.
n=3.
Plug in 3 to 5n-7.
QR=8
Answer:
QR=8
Step-by-step explanation:
so using the fact that the two triangles are congruent, we can determine:
5n-7=3n-1
5n-6=3n
2n-6=0
n=3
so we replace all n in 5n-7 with three
5x3-7
15-7
8
Need help will give brainly
Answers
Answer:
130
Step-by-step explanation:
i think it's 130 cuz we have to multiply 10 by 13 yard and we get 130 for that.
Answer:
g = 8.5
Step-by-step explanation:
V = area of base x height
1105 = 10(13)g
1105 = 130g
g = 8.5
PLZ HELP ME PLZ I NEED IT
Answers
Answer:
1, 3, 2, 4, 5
Step-by-step explanation:
Please help ASAP! i rlly need help
Answers
Answer:
means they all in or in high school
Step-by-step explanation: because 70 inches is the same as 5'10
so they are in high school
i need help finding the slope
Answers
is (6, 0) a coordinate, a slope, or neither
Answers
Answer:
Coordinate
Step-by-step explanation:
It is a coordinate because with slope you would need at least two ordered pairs
Answer:
A coordinate.
Step-by-step explanation:
A coordinate takes the form of ( x , y ), in which x is the horizontal, while y is the vertical.
In this case, (6 ,0) is the given coordinate, in which it displaces +6 to the right of the (0 , 0).
~
A slope will typically look like either a whole number, or the more usual fraction.
~
6th grade math help me please....
Answers
Answer:
5^3 = 125^3
Step-by-step explanation:
5x5x5
Answer:
5³=125
Step-by-step explanation:
5x5x5
=5³
=125
please help me tysm!
Stan has read 90% of his book. If his book is 360 pages long, which is the best estimate of how many pages he still has to read?
Answers
Answer:
36
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
Karen bought 8 pounds of fruit to make 3 equal-sized fruit salads. What is the weight of each fruit salad?
Fractions.
Answers
Answer:
Improper fraction: 8/3 Mixed Number: 2 2/3
Step-by-step explanation:
In this problem , you have to divide the 8 pounds of fruit into three different salads.
So, you need to divide 8 by 3. So, the answer will be 8/3 OR 2 2/3
please, PLEASE answer this fast! I have 1 hour left before I pass it. Please help :( answer it properly! Thank you in advance.
-This is grade 8 math-
1.What elements belong to Set A and Set B?
2. Is there a repetition of the first elements in the ordered pairs? How about in second elements of the ordered pairs?
3. Does the set of ordered pairs represent a relation?
4. How is a relation represented?
Answers
Answer:
The range is is set of all second pairs (y-coordinates) while the domain is the set of first pairs(x-coordinates)
Step-by-step explanation:
Convert this rational number
to its decimal form and round
to the nearest thousandth.
8/9
Answers
Answer:
0.888
Step-by-step explanation:
hope it helps
answer explanation:
What is the discriminant of the quadratic equation x^2 + 2x + 6 = 0 please hurry!!!
Answers
Answer:
Step-by-step explanation:
If ax² + bx + c = 0, then the discriminant is b²-4ac
x² + 2x + 6 = 0
discriminant = 2²-4·1·6 = -20
Since the discriminant is negative, there are no real roots. There are two complex roots.
PLEASE HELP ME!!! I HAVE 15 MINS
Answers
the right answer for that question is c
What is the y-intercept in the equation y=4x-3?
Answers
Answer:
I haven't did this in a long time, but I think it's -3
Step-by-step explanation:
A graduated cylinder that is 24 cm tall can hold 1 L of water.
a. What is the radius of the cylinder? (round to the nearest hundredth)
b. What is the height of the 500 ml mark?
c. The 250 ml mark?
Recall that 1 liter (L) is equal to 1000 milliliters (ml).
Due soon, please I don't understand.
Answers
Answer:
LOL i belive its 200 because i did this exact same thing yesterday for homework and got it right, if its not then i dont know what to say.
Step-by-step explanation:
George has a sum of money.
He divides the money between Siobhan and Iwan.
Iwan receives 11 of the money.
Write the ratio of the money that Siobhan receives to the money that Iwan receives.
Input note: give your ratio in its simplest form where each part is a whole number.
Answers
iwan:siobhan
if iwan gets 11% then iwan gets 89/100
How many times larger
is 8 x 10^4 than 8 x 10^1
Answers
Answer:
8x10^4=80,000
8x10^1=80
79,920 times larger!
Step-by-step explanation:
Hope that helps! :)
The values 8 * 10^4 is 1000 times larger than 8 * 10^1
Scientific notations are expressions written in the form A * 10^n
Given the following scientifc notations:
A = 8 x 10^4
B = 8 x 10^1
In order to know how many times larger is 8 x 10^4 than 8 x 10^1, we will take the ratio of both values as shown;
Ratio =
[tex]\frac{A}{B} = \frac{8 \times 10^4}{8 \times 10^1}\\ \frac{A}{B} = 1 \times 10^{4-1} \\ \frac{A}{B} = 10^3\\ \frac{A}{B} = 1000[/tex]
This shows that the values 8 * 10^4 are 1000 times larger than 8 * 10^1
Learn more here: https://brainly.com/question/10401258
700, 1200, 1600, 2000, X
If the mean of the five numbers above is 1600, what
is the value of x ?
Answers
Answer:
2500
Step-by-step explanation:
The mean of 700, 1200, 1600, 2000, 2500 is 1600.
Can someone help pls? With working out if possible :)
Answers
Answer:
x=7/2
Step-by-step explanation:
first, multiply 3/4 and 5/8 into the () to get rid of them.
3/4x -3/4 = 5/4x -5/2
next, combine like terms
5/4x -3/4x = -3/4 +5/2
1/2x = -3/4 +10/4 = 7/4
divide both sides by 1/2
x= 7/2
How can you write and
solve equations involving rational numbers?
Answers
Convert the rational number to decimals, then solve it as a decimal instead, (with the optional choice of re-converting it back to rational).
In Triangle ABC. AB = 5, BC=8. and AC = 7. Name the largest angle of triangle ABC
Answers
i think its A
Step-by-step explanation:
AC =
Round your answer to the nearest hundredth.
Answers
Answer:
the answer is 8.24 using tan =opp/adj
which expression results from using the distributive property?
number 1: 7(x+3) a.7x+3 b. 7 x + 3. c.21x d. X + 21
number 2: 3(6+r) a.6+r b.6+3r c.18r d.18+3r
number 3:12(n+2) a.12n b.n+24 c.12n+24 d.24n
Answers
Answer:
Number 1: 7x+21
Number 2: 18+3r
Number 3: 12n+24
Step-by-step explanation:
Factor
find the area of shaded region in given figure 14 cm and 7 cm
Answers
Given:
The radii of circles are 14 cm and 7 cm.
To find:
The area of the shaded region.
Solution:
Area of a circle is
[tex]Area=\pi r^2[/tex]
From the given figure, it is clear that
Area of shaded region = Area of larger circle - Area of smaller circle
= [tex]\pi (14)^2-\pi (7)^2[/tex]
= [tex]\dfrac{22}{7}\times 14\times 14-\dfrac{22}{7}\times 7\times 7[/tex]
= [tex]616-154[/tex]
= [tex]462[/tex]
Therefore, the area of the shaded region is 462 sq. cm.