Answers
The angle A using the sum of the angles in a right-angle triangle formula,
is = 44.5°
What is a right-angled triangle?According to the definition of a right triangle, if one of the triangle's angles is a right angle (90 degrees), the triangle is referred to as a right-angled triangle or just a right triangle.
A right triangle's initial characteristic is that one of its angles is 90 degrees. The biggest angle in a right triangle, the 90° angle is a right angle. The other two angles are either sharp or less than 90 degrees.
Now in the given question,
AB = 7
AC = 5
∠C = 90°
Using the formula Sin ∠B = 5/7
Simplifying it:
(Sin ∠B) = 5/7
⇒ [tex]Sin^{-1}[/tex] (Sin∠A) = [tex]Sin^{-1}[/tex] 5/7
⇒ ∠B ≈ 45.5°
Now we know ∠A + ∠B + ∠C = 180°
⇒ ∠A = 180° - 90° -45.5°
⇒ ∠A = 44.5°
Therefore, angle A in the triangle = 44.5°
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Related Questions
Use the figure below to answer the following questions.
What is mZ4?
Answers
Answer:
100º
Step-by-step explanation:
Find angle3 which is 80º
All lines are 180º
which means angle3+ angle4 is 180º
180º - 80º
= 100º
Answer: B. 100°
Step-by-step explanation:
Since triangles contain angles that add up to 180°, angles 3 is 80°. Since Straight Angles are 180°, it means that angle 4 is 180-80, which equals 100°.
a rectangles side lengths are 8 cm and 4 cm. Approximate the length of the diagonal of the rectangle to the nearest tenth.
Answers
Answer:
8.4cm
Step-by-step explanation:
first you have to square both sides
8²+4²= Hypotenuse (the diagonal)
you'll get
56 + 16
next you add it, and it'll equal 72
lastly you'll find the square root of that number
which is going to give you 8.4
9 - 12x + 6y[tex]9 - 12x + 6y[/tex]
Answers
Answer:
6[tex]y^{9}[/tex] - 24[tex]x[/tex] + 6[tex]y[/tex] + 9
Step-by-step explanation:
Combine Like Terms:
= 9 + −12x + 6[tex]y^{9}[/tex]+ −12x+6y
= (6[tex]y^{9}[/tex]) + (−12x+−12x) + (6y) + (9)
= 6[tex]y^{9}[/tex] + −24x + 6y + 9
I WILL GIVE YOU BRAINLIEST Jessica's friend tried to find the side length of a square garden, but made a mistake: 12 24*+ 13 12 4 6x+ 13 12 Side length = 6x+ Can you identify and correct her error
Answers
Answer:
She forgot to factor from both terms.
Step-by-step explanation:
Jessica should've divided 12/13 by 4 to find the correct side length that is 6x + 3/13
Answer:
Sample responce Jessica forgot to factor from both terms. She should have divided 12/13 by 4 to find that the correct side length, which is 6x + 3/13.
Step-by-step explanation:
A farmer owns a field with an area of 0.037 km2. The farmer buys another field with an area of 9600 m2. What is the total area of the fields he now owns in km2?
Answers
Answer:
0.0946km²
Step-by-step explanation
Area of the farmland owned = 0.037km²
Area of farm land bought = 9600m²
Convert m² to km²
1m² = 1e-6 km²
9600m² = 0.000001 * 9600
9600m² = 0.0576km²
Total area on km² = 0.037km²+0.0576km²
Total area on km² = 0.0946km²
A school had 1,200 students last year and only 1,080 students this year. What was the percentage decrease in the number of students?
Answers
Answer:
The population decreased by 10%
Step-by-step explanation:
The ratio of Rogers age to his sons is 7:3. If the sum of their ages are 60 how old is Rogers son
Answers
Answer:24
Step-by-step explanation:
Sum of their ages is 60 yr. As such
7x + 3x = 60
10x = 60
x = 60 / 10
x = 6
The rationale is 6, therefore
Father's age is 7x = 7 × 6= 42 years
Son's age is 3x = 3 × 6 = 18 years
Difference in their ages
42 - 18 = 24 years
evaluate the expressions.
Answers
Answer:
(-6/7)^0=1
-(2)^0=-1
Step-by-step explanation:
hope it helped
can I have a brainliest please i really need that
Answer:
Result
Step-by-step explanation:
-8.7
Thats result for this question
A scale of 1:20 is used to make the drawing of a car if the length of the drawing is 10 what is the real length of the car?
Answers
Answer: 200
Step-by-step explanation:
since 10 is one part
10 x 20 = 200
The real length of the car will be 200 units.
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
Given that;
A scale of 1:20 is used to make the drawing of a car.
And, The length of the drawing is 10.
Now,
Since, The length of the drawing is 10.
And, The used scale = 1 : 20
Hence, The real length of the car = 20 × 10
= 200 units
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Evaluate the following.
7 + 2 x 5 + 20:5
please help ASAP!!
Answers
Answer:
10 x + 27 : 5
Step-by-step explanation:
Just Simplify
Answer:
37:5
Step-by-step explanation:
Give a example of a number that is less than-2. Please help me
Answers
Answer: -3
Step-by-step explanation: It's farther to the left than -2 and 0 so it's smaller and negative
Segment addition question
Answers
Answer:
3 AB+BC=AC
Step-by-step explanation:
Because they add up to get AC
Answer:
None
Step-by-step explanation:
GIVING BRAINLIEST!!)
Write a story that represents 1/2 ÷ 3 ______.
Solve the equations and complete the story
Use multiplication to explain why the answer you found is correct
Answers
Answer:
Step-by-step explanation:
Fred, Ben, and George bought a pizza. George's sister and her friends ate some of the pizza, they left 1/2 of the whole pizza. Fred decided that they should share the remaining pizza equally. How much of the pizza will they each get?
1/2 ÷ 3 = 1/6
The three boys will each get 1/6 of the pizza.
Hope this is good! :3
In a certain year the population of a country reached 321 million. The overall birth rate was births per 1000, and the overall death rate was deaths per 1000.
Answers
Answer:
Then it would stay at 321 million
Step-by-step explanation:
if the birth and death rate is both 1000 then nothing will change. Population wise.
I really need help for this geometry question, I would appreciate any help thank you.
Answers
because you are finding the angle you would go Tan^-1(12÷20) =31°
it is 12÷20 because O/A and the 12 is the opposite side therefore It would be O and 20 is the adjacent side therefore equaling 20 so O/A = 12/20
Your answer is 31°
The diameter of circular CD is 120 millimeters. Which of the following is closest to the circumference of the CD in millimeters?
Answers
Answer:
Circumference=C=377 mm
Step-by-step explanation:
[tex]C=\pi d[/tex]
d=120 mm
C=3.14*120=377 mm
2sin^2x= sin^2x+sinxcosx/cotx
Answers
cot(x) = cos(x) / sin(x)
so
cos(x) / cot(x) = 1 / (1/sin(x)) = sin(x)
Then
sin²(x) + sin(x) cos(x) / cot(x) = sin²(x) + sin²(x) = 2 sin²(x)
A box contains the numbers 9, 2, 2, 11, 1, 8, 8, 2, 6, 1, 7, 3. Journalists try to use shorter or simpler words in their news stories whenever possible. The box below shows the number of letters in each word taken from one sentence in a news article. What are the mean and median number of letters per word? What is the outlier? The mean number of letters per word = The median number of letters per word = The outlier =
Answers
5
4.5
There is no outlier.
Step-by-step explanation: GOT IT RIGHT :)
okie please give brainiest if you got it correct :)
Answer:
For the other person to get branliest! They got it right
Step-by-step explanation:
350 students signed up what percent signed up for the airforce (64)
Answers
Answer: 18.29%
Step-by-step explanation:
There are 350 students. Out of these students, 70 signed up for the Army, 64 for the Airforce, 56 for the Navy and 160 for the Marines for a total of 350.
The percentage of students who signed up for the Airforce out of the total can be calculated by:
= number of students (airforce) / total number of students * 100
= 64/350 * 100
= 18.29%
Which number is greater than 10?
Answers
Answer:
C.
Step-by-step explanation:
The square root of five is greater than two - the square root of four is two, so it kind of has to be bigger.
Five times two is ten.
Since the square root of five is larger than two, five times the square root of five must be bigger.
Answer:
I used calc to figure it out but its C
If ADE and ABC, shown in the figure are similar,what is the value of X?
Answers
Students and faculty raise $6042 for band uniforms. The faculty raised $1780. Write an equation you use to find the amount a (in dollars) the students raised?
Answers
Answer: 1780+x=6042
Step-by-step explanation:
I hope this helps.
Choose the correctly formatted citations in the Works Cited page of MLA format. Responses A. Bradbury, Ray. "Dark They Were, and Golden-Eyed." myPerspectives English Language Arts, Pearson Education, Inc., 2017, pp. 127-140. B. Bradbury, Ray. Dark They Were, and Golden-Eyed. MyPerspectives English Language Arts, Pearson Education, Inc., 2017, pp. 127-140. C. Bradbury. "Dark They Were, and Golden-Eyed." myPerspectives English Language Arts, Pearson Education, Inc., 2017. D. Ray Bradbury . "Dark They Were, and Golden-Eyed." myPerspectives English Language Arts, Pearson Education, Inc., 2017, pp. 127-140.
Answers
Answer:
A. Bradbury, Ray. "Dark They Were, and Golden-Eyed." my Perspectives English Language Arts, Pearson Education, Inc., 2017, pp. 127-140.
Explanation:
In any academic writing, citation of the works used is an important factor. And for that, there are several formats or styles accepted as the correct form, among which is the MLA (Modern Language Association).
According to the MLA format, the works cited list must be in a certain format. As with all citations, the author's last name followed by the remaining names will come first. Then the title of the book followed by the book’s name. Then comes the publisher's name, publishing date, and the page number from which the citation is taken.
Thus, the correct answer is option A.
Please give me the correct answer
Answers
Answer:
11
Step-by-step explanation:
Just count it
Answer:
11
Step-by-step explanation:
you have to count the spaces with numbers from right to left
What is the final elevation if a butterfly starts at 20 m and changes negative 16 m
Answers
Answer:
4 meters
Step-by-step explanation:
Given that :
Initial elevation of butterfly = 20 meter
Change in elevation from initial height = negative 16 m = - 16 meter
Final elevation can be obtained by taking the sum of initial elevation and the change in elevation
(20 m + (- 16 m))
(20 m - 16 m)
= 4 meters
4. Which of the following is NOT an example of annuities?
a. pension
b. educational plan
d. deposit
c. car loan
Answers
D. deposit
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Given m
0
n, find the value of x.
m
168
(6x+8)
Answers
Answer:
x = 10
Step-by-step explanation:
This is a parallel line cut by a transversal.
The two angles are corresponding angles. Therefore, they are equal to each other.
6x+8 = 68 >> subtract 8 from both sides
6x = 60 >> divide both sides by 6 to get x alone
x = 10
you can check by substituting 10 as x and see if 6x+8 is equal to 68 which it is
Change the subtraction problem to addition
1- (-3)
Answers
Answer:
1+3
Step-by-step explanation:
Since there is two minus signs, you can turn the minus sign to addition and turn the negative sign positive. Subtracting a negative is the same as adding a positive.
Answer:
1 + 3
Step-by-step explanation:
Any number subtracting a negative is the same as addition.
I need helps
can you simply this please :)
Answers
Answer:
64-18+2
Hope this helps...
Plz, help me with this question?
Answers
Answer:
f
Step-by-step explanation:
Answer:
F
Step-by-step explanation:
6x= 12 means u would do 12 divided by 6 to get your answer which is 2. x=2