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3 years ago

Please help me with this Look at the image

Mathematics

1 answer:

cupoosta [38]3 years ago

7 0

Step-by-step explanation:

AEC=BED=180-(110+30)

=180-140

=40

MEASURE OF B=180-(90+40)

=180-130

=50

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Please help! functions operations. explain please

Lina20 [59]

Answer:

$f^{-1}(x)=x^2-3$

Step-by-step explanation:

Given $f(x)=\sqrt{x+3}$

Let $y=\sqrt{x+3}$

Interchange x and y

$x=\sqrt{y+3}$

Solve for y, by first squaring both sides

$x^2=y+3$

$x^2-3=y$

Hence

$f^{-1}(x)=x^2-3$

The last choice is correct

5 0

3 years ago

You are stacking wooden blocks (cubes) whose sides are all 1 1/4 inches how many blocks do you need to stack or build a block to

ASHA 777 [7]

Answer: You need to stack 6 blocks to build the block tower.

Step-by-step explanation:

Hi, to answer this question we simply have to divide the tower's height (7 1/2) by the side length of the cubes (1 1/4).

Mathematically speaking:

7 1/2 ÷1 1/4 = (7x2+1) /2 ÷ (1x4+1)/4 = 15/2 ÷ 5/4 = (15x4) / (2x5) = 60/10 =6 cubes

You need to stack 6 blocks to build the block tower.

Feel free to ask for more if needed or if you did not understand something.

7 0

3 years ago

(3x ^ 2 - 4 + x ^ 3) / (x - 1) <br> Synthetic Division

nadya68 [22]

Answer:

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Step-by-step explanation:

4 0

3 years ago

Determine if the expression 4b^4+c+c^34b 4 +c+c 3 is a polynomial or not. If it is a polynomial, state the type and degree of th

Helen [10]

Answer:

correct

Step-by-step explanation:

great job,

the 4b^4

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4 years ago

Identify the correct property of equality to solve each equation. 3 + x = 27

blondinia [14]

Answer:

x = 24

Step-by-step explanation:

look.

3 + x = ------------27

x = ---------------?

22 + 3 = 25

23 + 3 = 26

24 + 3 = 27

5 0

3 years ago

Read 2 more answers