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Sati [7]
3 years ago
5

3[10-(27÷9) HELP PLEASE​

Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0

Answer:

21

Step-by-step explanation:

You do the parentheses first, so 27/9 = 3

10-3 = 7

3 * 7 = 21

sashaice [31]3 years ago
3 0

Answer: 21

Step-by-step explanation:

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Can someone help me please
Misha Larkins [42]

Answer:

x= 13, angle 1= 37, and angle 2= 53

Step-by-step explanation:

So you have 2x+11+1+4x=90 degrees

If you simplify it, it becomes 6x+12=90 degrees

Then, you rearrange; 6x=90-12 or 6x= 78

So then, x=13

For angle 1 its 2x+11= 37 degrees

And angle 2 is 1+4x= 53 degrees

7 0
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professor190 [17]

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Step-by-step explanation:

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3 years ago
Experimental verification of opposite side of parallelograms .
zloy xaker [14]
If you mean  proof that the opposite sides of a parallelogram are equal, you draw a diagonal then prove that the 2 triangles formed are congruent.
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3 years ago
Beth needs 1 2/3 cups of sugar to make a cake and 2 1/4 cups to make a pie. How much sugar does she need to make both?
Brut [27]
Beth needs 3 11/12 cups
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3 years ago
Read 2 more answers
The measure of angle x is 25 more than 4 times the measure of its complement. Find the measure of x.
topjm [15]
- Two angles that are complements of each other add to equal 90 degrees (they are complementary angles). 
- One angle measures x degrees.
- The other angle measures 25 more than 4 times the angle that measures x degrees; it measures 4x + 25 degrees.

To find x, set the sum of these expressions (x and 4x + 25) equal to 90 and solve algebraically for x.

90 = x + (4x + 25)
90 = x + 4x + 25
90 = 5x + 25
65 = 5x
13 = x

If you wanted to find the measure of angle x, you'd substitute 13 for x in its expression, 4x + 25.

4x + 25
4(13) + 25
52 + 25
77

Answer:
x = 13
m∠x = 77°
4 0
3 years ago
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