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sveta [45]
3 years ago
11

Please help me i need help on this

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

(x+y)² finds the area of the outer square, squaring its side length

z² + 4(1/2 xy) finds the area of the outer square by adding...

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Solve for x?<br> A)6<br> B)-4<br> C)-8<br> D)-12
Marina CMI [18]

。☆✼★ ━━━━━━━━━━━━━━  ☾

Form an equation:

x + 15 + 7 + x = 14

Simplify :

2x + 22 = 14

Subtract 22 from both sides:

2x = -8

Divide both sides by 2:

x = -4

Have A Nice Day ❤

Stay Brainly! ヅ

- Ally ✧

。☆✼★ ━━━━━━━━━━━━━━  ☾

7 0
3 years ago
Let f(x) = x+3/4. Find the zero(s), if any, of f.
elena-14-01-66 [18.8K]

Answer:

x - 3/4 is a zero

Step-by-step explanation:

f(x) = x+3/4

To find the zeros, set f(x) =0

0 = x+3/4

Solve for x

Subtract 3/4 from each side

0-3/4 = x+3/4-3/4

-3/4 =x

The zero is -3/4

5 0
3 years ago
Problem asked——Find a quick and easy method to compute the sum of the first 100 counting numbers. No calculators allowed.
Darya [45]

Answer

Step-by-step explanation:

split the numbers into two groups (1 to 50 and 51 to 100), he could add them together vertically to get a sum of 101.

1     + 2   + 3   + 4   + 5   + … + 48 + 49 + 50

100 + 99 + 98 + 97 + 96 + … + 53 + 52 + 51

1 + 100 = 101

2 + 99 = 101

3 + 98 = 101

.

.

.

48 + 53 = 101

49 + 52 = 101

50 + 51 = 101

Final total would be 50(101) = 5050.

50 addition problems all adding up to 101 thats how i got 50x101

4 0
4 years ago
I will mark you brainliest if its correctly
zheka24 [161]

Step-by-step explanation:

sina = -√3/2

\cos(a)  =   \sqrt{1 -  { \sin(a) }^{2} }

=  \sqrt{1 -  { (\frac{  - \sqrt{ 3} }{2}) }^{2} }

=  \sqrt{ \frac{4 - 3}{4} }

=  \sqrt{ \frac{1}{4} }

=±1/2

Since, π<a<3π/2

cos a = -1/2

\tan(a )=  \frac{ \sin(a) }{ \cos(a) }

\tan(a )  =  \sqrt{3}

OptionB

8 0
3 years ago
PLSS HELP IM TIMED PLS HELPP
Advocard [28]

Answer:

The answer is 9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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