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exis [7]
3 years ago
8

Does anyone know how to do this ?!?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0
Download( photo math). you can scan the question or write it. it answers as well as explains how to get the answer.
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Amelia decided to order breadsticks and a pizza.
Keith_Richards [23]

Answer:

4

Step-by-step explanation:

13.50 - 10.50 = 3.00

3 / 0.75 = 4

6 0
4 years ago
Read 2 more answers
M=1/2(d1+d2) (solve for d1)
nekit [7.7K]

Answer:

d1= -d2+M

Step-by-step explanation:

you would multiply d1 and d2 by 1/2, then add negative d2/2 to each side, then divide each side by 2/1.

hope it helps

mark me brainliest pls

7 0
3 years ago
Read 2 more answers
NEED RN, WORTH 50!<br> What is the value of x?
xxTIMURxx [149]

Answer:

x = 5

Step-by-step explanation:

<u>Step 1:  Make an equation</u>

<u />\frac{32}{40} = \frac{4}{x}

<u>Step 2:  Cross multiply</u>

<u />\frac{32}{40} = \frac{4}{x}

32 * x = 4 * 40

32x = 160

<u>Step 3:  Divide both sides by 32</u>

<u />32x / 32 = 160 / 32

x = 5

Answer:  x = 5

3 0
3 years ago
Prove that in any pythagorean triple, one of the side lengths is divisible by 5
victus00 [196]
The trick is to realize what your choices are.

if m or n or both are divisible by 5, then 2mn will be divisible by 5
I don't know if you know about x mod(5), but in that case there can only be 4 possibilities for m and n
m mod (5) = +/- 2 or m mod(5) = +/- 1
In the first case m^2 = 4 mod(5) and in the second case m^2 = 1 mod(5) N has the same considerations. 
If m and n have the same modular results (both are [say] 2 ) then m^2 - n^2 which be 0
If they are different, then (m^2 + n^2) mod 5 = 0 

7 0
3 years ago
How many groups of 1/2 pound are in 2 pounds
anyanavicka [17]

Answer:

4

Step-by-step explanation:

2 ÷ 1/2 = 4

6 0
3 years ago
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