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Andrews [41]
2 years ago
8

PLS HELP WILL MARK YOU BRAINLIEST, NO FAKE ANSWERS!!

Mathematics
1 answer:
Makovka662 [10]2 years ago
3 0

Answer:

1. if x + 5 = 12, then x = 7

:Subtraction property of equality

2. If x + y = 20, and y = 5, then x + 5 = 20.

<u>:Substitution property of equality</u>

3. If 2x3 = 11, then 11 = 2x - 3.

<u>:Symmetric property of equality</u>

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Help me please i jave 10 min left HELP​
yaroslaw [1]

Answer:

Option (A).

Step-by-step explanation:

8\frac{4}{5} is a mixed fraction and can be written as,

8\frac{4}{5}=8+\frac{4}{5} [Combination of a whole number and a fraction]

When we multiply this mixed fraction by 7,

7\times 8\frac{4}{5}=7\times (8+\frac{4}{5})

          =(7\times 8)+(7\times \frac{4}{5}) [Distributive property → a(b + c) = a×b + a×c]

          =56+\frac{28}{5}

          =56+5\frac{3}{5}

          =56+5+\frac{3}{5}

          =61+\frac{3}{5}

          =61\frac{3}{5}

Therefore, 7\times 8\frac{4}{5}=61\frac{3}{5} will be the answer.

Option (A) will be the correct option.

7 0
2 years ago
What information does the ordered pair (3, 87) represent?
mafiozo [28]

<span>The 3 (x-coordinate) indicates that from the origin (0,0) in the cartesian plane, you have traveled four units to the right along the x-axis(the horizontal axis). </span>

<span>The 87 indicates that you traveled 87 units up in the y-axis(vertical axis), in line with the point 3 in the x-axis.This number is the y-coordinate, the second number in the ordered pair. </span>

8 0
3 years ago
I= $54 p=$800 r=4.5% what's the amount of time ?
Helen [10]

Answer:

Step-by-step explanation:

If solving for x it's 0

8 0
3 years ago
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Please help ill give brainiest
suter [353]

Answer:

Sales Tax: $12

Total Price: $312

Step-by-step explanation:

4% of 300 is 12, so that is the sales tax. Then, because it's tax, you add it on the the price before tax to get the total price, 300+12=312.

(hope this helps!)

7 0
3 years ago
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Korolek [52]
140x = 56

x = .4

160(.4) = 64
B

4 0
2 years ago
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