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julsineya [31]
3 years ago
8

HELPPPP IMMEDIATELY....

Mathematics
2 answers:
Illusion [34]3 years ago
4 0

Answer:

234

Step-by-step explanation:

lana [24]3 years ago
3 0
First you do what is inside the parentheses. 10 x 5 - 3. 50 - 3 =47. Then you multiply 47 x 5 = 235.
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What 2 whole numbers is the square root of 75 between?
Nataliya [291]

Answer:

8 and 9

Step-by-step explanation:

7 0
3 years ago
Please can someone prove this equation
zubka84 [21]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

sin²x + cos²x = 1

Consider the left side

2cos²A - 1 ← replace 1 by sin²A + cos²A

= 2cos²A - ( sin²A + cos²A)

= 2cos²A - sin²A - cos²A

= cos²A - sin²A = right side ⇒ verified



6 0
3 years ago
How can you determine if a fraction is greater than less than or equal to a decimal
saul85 [17]
Change the fraction into a decimal
3 0
3 years ago
43x+ 67y = -24 and 67x + 43y = 24 solve
aleksandrvk [35]

Answer:

  (x, y) = (1, -1)

Step-by-step explanation:

We'll write these equations in general form, then solve using the cross-multiplication method.

  43x +67y +24 = 0

  67x +43y -24 = 0

∆1 = (43)(43) -(67)(67) = -2640

∆2 = (67)(-24) -(43)(24) = -2640

∆3 = (24)(67) -(-24)(43) = 2640

These go into the relations ...

  1/∆1 = x/∆2 = y/∆3

  x = ∆2/∆1 = -2640/-2640 = 1

  y = ∆3/∆1 = 2640/-2640 = -1

The solution is (x, y) = (1, -1).

_____

<em>Additional comment</em>

The cross multiplication method isn't taught everywhere. The attachment explains a bit about it. Our final relationship changes the order of the fractions to 1, x, y from x, y, 1. That way, we can use the equation coefficients in their original general-form order. (The fourth column in the 2×4 array of coefficients is a repeat of the first column.)

4 0
3 years ago
Linear functions filling in a table
Fofino [41]
X 1, 2, 3, 4 Y -2, -10, -18, -26
3 0
3 years ago
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