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Tju [1.3M]
3 years ago
6

What is the perimeter of triangle ACD?

Mathematics
1 answer:
hammer [34]3 years ago
5 0
12 cm u just add up all the sides
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You're making dessert but your recipe needs adjustment. Your chocolate chip cookie recipe makes 4 dozen cookies, but you need 3
nignag [31]

Answer:

Butter = (3*15) / 4 = 45/4 = 11 1/4 tsp

Baking powder = (3*5) / 4 = 15/4

= 3 3/4 tsp

Pecans = (3 * 2) / 4 = 6/4

= 3/2 = 1.5 cups

5 0
3 years ago
Solve the equation. √1 - 2b = 1 + b<br> 1. 0 and 4<br> 2. -2 only<br> 3. 0 only<br> 4. 0 and -2
slava [35]
\sqrt{1-2b} = 1 + b \\ \\ 1 - 2b = (1 + b)^2 \\ \\ 1 - 2b = 1 + 2b + b^2 \\ \\ -2b = 2b + b^2 \\ \\ 2b + 2b + b^2 = 0 \\ \\ 4b + b^2 = 0 \\ \\ b(4 + b) = 0 \\ \\ b = 0, -4 \\ \\ b = -4 \ is \ false \\ \\ b = 0

The final result is, C) 0 only.

We gathered the solutions of b = 0, -4.
b = -4 was not true so we had to remove it from the solution set, and we are left with b = 0 now. You can check this answer by substituting 0 in for b in the original equation. You should get 1 = 1, which is the correct answer.
3 0
3 years ago
At a concert, the number of security guards needed is based on the average density of people in an area of 25'x25' called a bloc
ira [324]

find total area  by multiplying  350' x 200' = 70,00 sq ft

area of one block, multiply 25' x 25' = 625 sq ft  = area for one Security guard

divide area for one security guard into total area of facility  70,000 / 625 =

112 security guards

find how many people for each block = 70,000 / 625 = 112 blocks

12,000 people divided by 112 blocks = 12,000 / 112 = 107.14 rounded to nearest 10 = 110 people per block

3 0
4 years ago
(4x^2+x) -(x^2+x) <br> how to do this
AleksAgata [21]

Answer:

3x^2-x

Step-by-step explanation:

1. Combine Like Terms.

2. Add/Subtract.

3. Put them together.

7 0
3 years ago
Read 2 more answers
What does mean time as many
Lorico [155]
Times as many means multiply




hope this helps
6 0
3 years ago
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