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Kisachek [45]
4 years ago
10

How do I solve for x within a triangle?

Mathematics
1 answer:
ycow [4]4 years ago
3 0
Since there are 180 degrees in a triangle and a right angle (signified with the diamond at the top) is 90 degrees, the remaining angles are 180-90=90 degrees. Therefore, 2x+1+5x+5=90=7x+6. Subtracting 6 from both sides, we get 7x=84. Next, we divide both sides by 7 to get x=12
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Complete the explanation about his error.<br><br> 3 × 8 − 3 ÷ 3 = 24 − 3 ÷ 3<br> = 21 ÷ 3<br> = 7
Nata [24]

Answer:

**3 × 8 − 3 ÷ 3 = 24 (correct)

**24 − 3 ÷ 3  = 21 (incorrect)

 24-0=24

**24÷3=8

5 0
3 years ago
Please answer ASAP<br> Thank you so much!!!!!
Natali5045456 [20]

Answer:

g (f(0)) =   -4.5

Step-by-step explanation:

Find f(0) =   (3(0)-7)/4  = -7/4

   sub this into g(x)

          g(-7/4) = 2 (-7/4) -1 = -14/4   - 4/4 = - 18/4 = -4.5  

7 0
2 years ago
25<br> 25<br> 20<br> =<br> = 2² = 0<br> 4<br> a =<br> b =<br> ,c=<br> DONE
meriva

Answer:

i dont understand ur question

Step-by-step explanation:

sorry

4 0
3 years ago
Liu wants to decorate some cakes with shapes.
Ronch [10]

Answer:

15 cakes can be decorated.

Step-by-step explanation:

Given:

Total number of shapes Liu has = 140

Ratio of shape of stars and hearts = 4 : 3

According to the question:

Each cake have 5 stars and 4 hearts.

Let the number of starts be "4x" and number of hearts be "3x" from the ratio.

Now,

⇒ 4x+3x=140

⇒ 7x=140

⇒ x=\frac{140}{7}

⇒ x=20

Number of stars = 4x =4(20) =80

Number of hearts = 3x=3(20)=60

Each cake have 5 stars and 4  hearts .

How many cakes can be decorated with 80 stars.

⇒ No.of cakes = Total number of stars / 5

⇒ C=\frac{80}{5}

⇒ C=16

How many cakes can be decorated with 60 hearts.

⇒ C=\frac{60}{4}

⇒ C=15

But both shapes are in combination so only 15 cakes can be decorated with the combination of 5 stars and 4 hearts.

Liu can decorate 15 cakes and only.

4 0
4 years ago
The of the sum of three and a number is twice the number minus two<br> please help
hjlf

Answer:

x=5

Step-by-step explanation:

Set up the equation using the words literally, making x the number. 3+x= 2x-2

Combine like terms and you get 5=x

I hope this helped! :)

5 0
3 years ago
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