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2 years ago

PLEASE HELP

Mathematics

1 answer:

iris [78.8K]2 years ago

6 0

Answer:

1) 32

2) x=9

4) 36

Step-by-step explanation:

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(4x + 3)(4x - 3) Help pls

tekilochka [14]

Answer:

$16x^2-9$

Step-by-step explanation:

$\left(4x+3\right)\left(4x-3\right)$

We´ll Apply Difference Two Squares Formula:

$\left(a+b\right)\left(a-b\right)=a^2-b^2$

$\longmapsto$ $\left(4x+3\right)\left(4x-3\right)$

$\longmapsto$ $\left(4x\right)^2-3^2$

Apply exponent rule:

$\left(a\times \:b\right)^n=a^nb^n$

$\longmapsto$ $4^2x^2-3^2$

$\longmapsto$ $16x^2-9$

_________________________

6 0

2 years ago

Read 2 more answers

PLEASE HELP ME I AM FAILING. I WILL GIVE BRAINLIEST

den301095 [7]

Answer:

equation = $\sqrt{7^2 + 12^2 } = c$

Using:

$\sqrt{a^2 + b^2 } = c$ or $a^2 + b^2 = c^2$ or

7^2 + 12^2 = c^2

49 + 144 = c^2

c^2 = 193

missing length = 13.9 inches

4. equation = $\sqrt{24^2 + 32^2} = c$

Using:

$\sqrt{a^2 + b^2 } = c$ or $a^2 + b^2 = c^2$

24^2 + 32^2 = c^2

reduce to:

8 multiplied by everything:

3^2 + 4^2 = c^2

Since we know 3,4,5 is a Pythagorean triple, we can use this to find c.

Since c must be 5, we multiply by 8 since we divided by 8 earlier to get the 3,4,5 and get 40.

missing length = 40 inches

3 0

2 years ago

F(x) = (1) What is the x intercept

Vinvika [58]

Answer:

There is no x-intercept, only a y-intercept, which would be 1

8 0

2 years ago

I need some help please

Mama L [17]

Answer:

109

Step-by-step explanation:

Formula

<ZHG + <IHZ = <IHG

Givens

<ZHF = 11x - 1

<IHZ = 24

<IHG = 12x + 13

Solution

11x - 1 + 24 = 12x + 13 Combine terms on the left

11x + 23 = 12x + 13 Subtract 13 from both sides

- 13 - 13

11x + 10 = 12x Subtract 11x from both sides

-11x -11x

10 = x

Answer

11x - 1 = 11*10 - 1 = 110 - 1 = 109

7 0

2 years ago

The term ethics is best defined as PLS HELP ITS A TEST

dedylja [7]

Ethics are the moral principles that control a person behavior or the conducting of an activity.

Hope this helps!
Brainliest is much appreciated!

4 0

2 years ago