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notsponge [240]
2 years ago
9

Help me i’m struggllinbggg with this

Mathematics
1 answer:
Olenka [21]2 years ago
8 0
The opposite angles of a parallelogram are congruent, so you have to set the values of each angle equal to each other and solve for x.

(10x-19)° = (7x+23)°
-7x -7x
3x-19 = 23
+19 +19
3x = 43
÷3 ÷3
x = 43

Then, substitute the value of x back into the equations.
(10x-19)°
(10(14)-19)°
(140-19)°
121°

(7x+23)°
(7(14)+23)°
(98+23)°
121°
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Divide.
GalinKa [24]

Answer:

156 19/34

Step-by-step explanation:

Or

5323/34

they are both the same!

Hope this helps, have a great day, and stay safe!!

3 0
3 years ago
Read 2 more answers
Need help with this
likoan [24]

Answer:

The answer is h = 2A/(b+c) .

Step-by-step explanation:

You have to move all the unrelated terms to the other side by making h the subject :

A =  \frac{1}{2} (b + c)h

A \div  \frac{1}{2}  =  \frac{1}{2} (b + c)h \div  \frac{1}{2}

2A = (b + c)h

2A \div (b + c) = (b + c)h \div (b + c)

\frac{2A}{b + c}  =h

h =  \frac{2A}{b + c}

4 0
3 years ago
Please help me to solve this problem
WARRIOR [948]

Answer:

12

Step-by-step explanation:

let x be the broken ht. then hypotenuse will be 18-x.

sin 30 = x/(18-x)

1/2 = x/(18-x)

18-x = 2x

3x = 18

x = 6

18-6 is the ht of broken part which is 12

7 0
3 years ago
The ratio of the measures of the angles in a triangle is 2:9:4 what is the measure of the largest angle ?
FrozenT [24]
You need to add all of these values together. This is 2 + 9 + 4 which gives 15

There are 180° in a triangle. Divide this by 15.

180/15 = 12

Then multiply this by the largest in the ratio; which is 9.

This is 12 x 9 which = 108°.

The largest angle is therefore 108°.

For reference, the ratio in degrees would look like this:

24:108:48, which adds up to 180°.
5 0
3 years ago
Read 2 more answers
Janelle measures, to the nearest 1/8 inch, objects in her bedroom.
Karo-lina-s [1.5K]
The Answer: Tell Janelle to provide more information and perhaps a question instead of wasting your points. You’re welcome Janelle.
5 0
4 years ago
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