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rusak2 [61]
3 years ago
10

Write two different expressions, each with more than one operation, that have a value of 20

Mathematics
1 answer:
Kobotan [32]3 years ago
6 0
10 plus 10 and 5 plus 15
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Find the product of (x² - 5)² using identities​
timama [110]

Answer:

Step-by-step explanation:

by idetity : (a - b)²= a² +b² -2ab

for : (x² - 5)² you have  a = x²  and b = 5

(x² - 5)²= (x²)²+5² - 2(5)(x²)

(x² - 5)²= x^4+25 -10x²

6 0
3 years ago
Please solve for n and show your work.<br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B3%7D" id="TexFormula1" title="
k0ka [10]
\frac{1}{3} (n + 15) = -2

First, replace the numerator with the parentheses.
\frac{n+15}{3} =-2
Second, multiply both sides by 3.
n + 15 = -2 * 3
Third, multiply 2 × 3 to get 6.
n + 15 = -6
Fourth, take away 15 from each side.
n = -6 - 15
Fifth, simplify -6 - 15 to get -21.
n = -21

Answer: n = -21

3 0
2 years ago
A gardener cuts a plant down by 1 5/8 inches.The plant then grows 9 1/4 more inches. What is the total change in the height of t
Fynjy0 [20]

Answer:

7 7/8 inches

Step-by-step explanation:

Example:

Start with a 3 inch plant

3 - 1 5/8 = 1 3/8

It grows 9 1/4 but you started at threelsdjf;lasjdflkjsdfl

9 1/4 - 1 3/8 = 7 7/8

6 0
3 years ago
Helpppp :,[ also stay safe and have a great day!!!!!!!!!!!!!!!!!!!!!!1111
serious [3.7K]

Answer:

35÷7=5

Step-by-step explanation:

we have 7 small boxes in an oval and there are 5 ovals

All the boxes add up to 35

4 0
3 years ago
Read 2 more answers
Find the missing number in each sequence.<br><br> 40, ___ , 37 1/3 , 36
seraphim [82]
The common difference is 1 1/3
40-1 1/3= 38 2/3
38 2/3-1 1/3=37 1/3
37 1/3-1 1/3=36
Therefore the missing number is 38 2/3
8 0
2 years ago
Read 2 more answers
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