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3 years ago

Can anyone show how they solved this really need help

Mathematics

2 answers:

charle [14.2K]3 years ago

6 0

The total number of degrees in would be 720. By subtracting all other angles you will find x.

720-129-105-135-130-95=126

X=126

dlinn [17]3 years ago

5 0

Yeah! if you add all the measurements together without x, you’d get 594 degrees. if you take the required degrees for a hexagon (720) and subtract 594, you’d get 126. therefore, the missing measurement is 126 degrees.

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Rewrite subtraction as an equivalent addition expression. 5(x – 4) + 3x – 9x + 7

iogann1982 [59]

Hello!

Explanation:

Distributive property: → a(b+c)=ab+ac

Expand the form equation.

$5(x-4)=5x-20$

$5x-20+3x-9x+7$

Then, simplify by equation or expand.

$5x-20+3x-9x+7=-x-13$

Final answer is: → $\boxed{=-x-13}$

*The answer must have a negative sign.*

Hope this helps!

Thank you :)

-Charlie

Have a great day! :)

3 0

3 years ago

HELP PLS!!!

kotykmax [81]

Answer:

B. $\frac{60 hours}{1} \times \frac{1 day}{24 hours}$

Step-by-step explanation:

Converting 60 hours to days:

24 hours = 1 day

60 hours = x day

Cross multiply

$24 hours \times x = 60 hours \times 1 day$

Divide both sides by 24 hours

$x = \frac{60 hours \times 1 day}{24 hours}$

Thus,

$\frac{60 hours \times 1 day}{24 hours} = \frac{60 hours}{1} \times \frac{1 day}{24 hours}$

The expression that shows how to convert 60 hours to days is:

$\frac{60 hours}{1} \times \frac{1 day}{24 hours}$

5 0

2 years ago

Use the scale factor 1:12 to find the missing dimension.

poizon [28]

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4 0

3 years ago

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Which represents a perfect cube? A.8x8x8 B.8+8+8 C.9x9x9x9 D.9+9+9+9+9

Setler [38]

Answer:a

Step-by-step explanation:

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3 years ago

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Find the value of the variable.

Nikolay [14]

we are given that

both sides are equal

so, their length must be equal

$HK=\sqrt{(p-1)^2+(5-2)^2}$

$HK=\sqrt{(p-1)^2+9}$

now, we can find other side

$JK=\sqrt{(p-7)^2+(5-2)^2}$

$JK=\sqrt{(p-7)^2+9}$

now, we can set them equal

$HK=JK$

$\sqrt{(p-1)^2+9}=\sqrt{(p-7)^2+9}$

now, we can take square both sides

$(p-1)^2+9=(p-7)^2+9$

now, we can solve for p

$(p-1)^2=(p-7)^2$

$p^2-2p+1=p^2-14p+49$

$-2p+1=-14p+49$

$12p=48$

$p=4$ ..............Answer

4 0

2 years ago