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garri49 [273]
4 years ago
7

May someone help me on this please

Mathematics
1 answer:
harkovskaia [24]4 years ago
4 0
I did the math and it said it was 60$

my mother has a degree in math and was top in her class

I asked her how to do it and she showed me how to, and I got 60$

sorry if its wrong
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Two congruent, isosceles triangles are joined, as shown, to form a parallelogram.
zvonat [6]

Answer:

a =64 °and b = 52°

Step-by-step explanation:

as 360° is the sum of all the internal angles.

As we have 4 a's and 2 b's.(see attachment for the figure).

We write the equation:

4 a + 2b = 360 ---> eq(1)

We are given that the largest angle of the parallelogram is 116º.             

So a + b = 116

a= 116-b ---> eq(2)

substituting the above value in eq(1)

(1) => 4( 116-b) + 2b = 360

464 - 4b + 2b = 360

-2b = 360- 464

-2b = -104

b=52

plugging the value of b in eq (2)

(2)=>

a= 116- 52

a= 64

Thus, the values of  a is 64 °and b is 52°

3 0
4 years ago
PLEASE HELP ME WITH THIS AND EXPLAIN
Stolb23 [73]
IF 12 copies cost $0.66 you have to divide 0.66/12 and you will get the cost for 1 copy: 0.66/12= $0.055 per each copy.
If Melyssa needs 56 copies, you have to multiply 0.055*56= $3.08 
3 0
4 years ago
Find sq.root of 19.537 by division method?​
SCORPION-xisa [38]

Answer:

4.42 is the answer........

Step-by-step explanation:

Im not sure

8 0
3 years ago
Use the Pythagorean theorem to find the unknown side of the right<br>triangle​
kramer

Answer:

26

Step-by-step explanation:

→ Utilise Pythagoras theorem

a² + b² = c²

→ Substitute in the values

10² + 24² = c²

→ Simplify

100 + 576 = c²

→ Simplify further

676 = c²

→ Square root both sides to isolate c

26 = c

7 0
3 years ago
How do you add with decimals step by step?
astra-53 [7]

Answer:

https://www.mathsisfun.com/adding-decimals.html

This has an explanation.

5 0
3 years ago
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