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xxMikexx [17]
3 years ago
10

Anyone know this answer?

Mathematics
1 answer:
Tasya [4]3 years ago
6 0

Answer:

16

Step-by-step explanation:

Remember to use pemdas:

8÷2(2+2)

First we do whats in parentheses.

= 8÷2(4)

Then we do multiplication and division from left to right

= 4(4)

= 16

So the answer is 16.  Remember that multiplication and division have the same priority in pemdas, and you should always do them left to right, because order does matter.

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What is this? like the answer im so lost. PLEASE HELP 12 – (2 × 3)
Monica [59]
12 - (2 x 3)
PEMDAS
Parentheses, Exponents, Multiplication/Division, Addition/Subtraction
(2 x 3) = 6
12 - 6 = 6
Your answer is 6.
8 0
3 years ago
Find the area in cm2 of a rhombus whose side length is 29 cm and
kotegsom [21]
\left(\frac{d}{2}\right)^2+\left(\frac{d+2}{2}\right)^2=29^2\\\\\frac{d^2}{4}+\frac{d^2+4d+4}{4}=841\ \ \ \ /\cdot4\\\\d^2+d^2+4d+4=3364\\\\2d^2+4d+4-3364=0\\\\2d^2+4d-3360=0\ \ \ \ /:2\\\\d^2+2d-1680=0

a=1;\ b=2;\ c=-1680\\\\\Delta=b^2-4ac\to\Delta=2^2-4\cdot1\cdot(-1680)=4+6720=6724\\\\\sqrt\Delta=\sqrt{6724}=82\\\\d_1=\frac{-b-\sqrt\Delta}{2a}\to d_1=\frac{-2-82}{2\cdot1} < 0\\\\d_2=\frac{-b+\sqrt\Delta}{2a}\to d_2=\frac{-2+82}{2\cdot1}=\frac{80}{2}=40\ (cm)\\\\d=40cm;\ d+2=42cm\\\\A_r=\frac{d(d+2)}{2}\to A_r=\frac{40\cdot42}{2}=840\ (cm^2)

3 0
3 years ago
Archeologists discover four outer walls of an ancient building, as shown.
solniwko [45]

15 sides

It’s the right answer

4 0
3 years ago
A triangle has the following angle measures. 75o, 3xo, and 90o. What is the value of x?
jeyben [28]
The Answer is 5
Knowing that there are 180* in a triangle we would add up 75 + 90 and get 165. Which leaves 15* left over. Which would mean 3(5)* = 15*.
75 + 90 + 15 = 180
6 0
3 years ago
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How many points are needed to determine a straight line?
GuDViN [60]

Answer:

2

Step-by-step explanation:

You only need two points to create a line...

8 0
3 years ago
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