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Sveta_85 [38]
2 years ago
12

Calculate the missing value

Mathematics
1 answer:
Nitella [24]2 years ago
5 0

using Pythagoras theorem for right angle triangle

hypotenuse ^2 = base ^2 + perpendicular^2

c^2 = 12^2 + 5^2 = 144+25 = 169

c = √169 = 13 in

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Please help! (Geometry)
Gelneren [198K]

Answer:

x=5

From the dashed lines on the two sides of this triangle, we can see that these two sides are congruent, or equal, to each other.

In geometry, if a triangle has two congruent sides, then we can call it a <em>isosceles triangle</em>.

In an isosceles triangle, the corners  opposite the congruent  sides  are also congruent, meaning, that the angle measures of this triangle are: 88, 9x+1, and 9x+1.

We also know that angles in a triangle add up to 180 degrees.

So, we have: 88+(9x+1)+(9x+1) = 180

Simplifying: 18x + 2 = 92

Solving: 18x = 90, so x=5

Hope this helps!

4 0
3 years ago
Katie buys a large pizza for $14.99 and bottles of soda for $1.50 each. If the total cost was $23.99, how many bottles of soda (
Nady [450]

The number of soda bottles Katie bought is 6

The given parameters are:

  • Large Pizza = $14.99
  • Soda = $1.50 per bottle
  • Total cost = $23.99

Assume the number of soda bottle is x.

So, we have:

Total = Pizza + Soda \times x

This gives

23.99 = 14.99 + 1.50\times x

Subtract 14.99 from both sides of the equations

9 = 1.50\times x

Divide both sides of the equations by 1.5

6=x

Rewrite the equation as

x = 6

Hence, the number of bottles is 6

Read more about linear equations at:

brainly.com/question/14323743

7 0
2 years ago
Which conversion requires multiplication?
Taya2010 [7]

Answer:

C

......................................................

4 0
1 year ago
What is not a good reason to refinance
Flauer [41]

Answer:

A

Step-by-step explanation:

The answer is A because all of the other options are favorable circumstances to refinance. There's no need to refinance if the loan in question (a mortgage in this case) has already been paid off.

7 0
2 years ago
Read 2 more answers
Use any method to multiply (3a + 2b – c)(a – b + 2c).
umka21 [38]

Answer:

A)

3a2 – 2b2 – 2c2 – ab + 5ac + 5bc

(3a + 2b - c)(a - b + 2c) \\  = (3 {a}^{2}  - 3ab + 6ac + 2ab - 2 {b}^{2}  + 6bc - ac + bc - 2 {c}^{2} ) \\  = 3 {a}^{2}  - ab + 5ac - 2 {b}^{2}  + 5bc -  {2c}^{2}  \\  = 3 {a}^{2}  - 2 {b}^{2}  -  {2c}^{2}  - ab + 5ac + 5bc

4 0
3 years ago
Read 2 more answers
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