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leonid [27]
3 years ago
11

What is the measure of A?

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0
The answer would be D. because all triangles are equal to 180 degrees. if u add 50+30 its 80 and then if u add 80 to a 100 you get 180. the sum of any triangle should equal to 180. feel free to ask any questions



to 180
inn [45]3 years ago
4 0

Answer:

The answer is 30%

Step-by-step explanation:


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8x7+4x2-11-7x4 can you explain please
SpyIntel [72]
Use PEMDAS. Parenthesis. Exponents. Multiplication. Division. Addition. Subtraction. there are no parenthesis so that doesn't matter. there are no exponents. but there is multiplication. 8×7 = 56. so now the equation is 56+4×2-11-7×4. you still have multiplication so now we do 4×2 which is 8. the equation is now 56+8-11-7×4. you still have multiplication so now do 7×4 which is 28. the equation is now 56+8-11-28. there is no multiplication. or division. next is addition. 56+8 which is 64. now the equation is 64-11-28. next you do subtraction. 64-11 which is 53. now the equation is 53-28 which is 25. 25 is the answer. I hope this helped ☺️
8 0
3 years ago
What is 13 out of 25 as a percentage
elena-s [515]

Answer:

%52

Step-by-step explanation:

13/25 0.52 move decimal two places to left and add percent %52

5 0
3 years ago
Read 2 more answers
If you earn $15 an hour and you work 35 hours a week, how much do you earn a month?
Ber [7]
2100$ you earn a month because you multiply 15 and 35 and u get 525 then multiply that by 4 since that’s how many weeks are in a month and u get 2100
7 0
3 years ago
If Jasper installs a floor himself, it will take him 7 hours. Working with Yolanda, it will take them 3 hours.
Svetllana [295]

Answer: 5\frac{1}{4} hrs

<u>Explanation:</u>

Jasper: \frac{1}{7} per hr

Yolanda: \frac{1}{x} per hr

Together: \frac{1}{3} per hr

Jasper + Yolanda = Together

\frac{1}{7} + \frac{1}{x} = \frac{1}{3}

(21x)\frac{1}{7} + (21x)\frac{1}{x} = (21x)\frac{1}{3}

3x + 21 = 7x

        21 = 4x

        \frac{21}{4} = x

         5\frac{1}{4}

                                                                                               

7 0
3 years ago
Read 2 more answers
The solutions to a certain quadratic equation are x = -4 and x = 3. Write the equation in standard form below.
saw5 [17]

Answer:

x^2 + x -12

Step-by-step explanation:

If the solutions are x=-4 and x=3, then it must have factors (x+4)(x-3). Assuming there is no GCF or leading coefficient other than 1, multiply with FOIL to find the standard form.

(x+4)(x-3)\\x^2 + 4x -3x -12\\x^2 + x -12

7 0
3 years ago
Read 2 more answers
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