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aleksklad [387]
3 years ago
5

Find x, y, and z 3 7 Z

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0

Step-by-step explanation:

If x=3, y=7 when x+y=z

z=3+7

z=10

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Simplify the algebraic expression. -2(x - 5) + 4(9 + x)
AnnZ [28]

Answer:

2x+46

Step-by-step explanation:

-2(x-5)+4(9+x), Multiply

-2x+10+36+4x, Combine like terms

Simplified= 2x+46

5 0
3 years ago
JJ decides to leave a tip that is 15% of the original price for his meal. How much should he leave as tip for the $5.50 cheesebu
Lady_Fox [76]

Answer: $9.20

Step-by-step explanation: To get the answer, you add both the cost and multiply it by .15. Then you add the product to the number you got adding the cost of the food.

4 0
3 years ago
Read 2 more answers
If DE = 3x-5 and AC = 5x-3, find x.
deff fn [24]

Step-by-step explanation:

2(3x-5)=5x-3

6x -10 =5x -3

x=7

3 0
2 years ago
Question :-
DochEvi [55]

\qquad\qquad\huge\underline{{\sf Answer}}

Let's solve ~

\qquad \sf  \dashrightarrow \:  \bigg( \dfrac{1}{ \sqrt{7 +  \sqrt{5} } }  +  \sqrt{7 +  \sqrt{5} } \bigg) {}^{2}

\qquad \sf  \dashrightarrow \:  \bigg( \dfrac{1}{ \sqrt{7 +  \sqrt{5} } } \bigg ) {}^{2}  +  \bigg( \sqrt{7 +  \sqrt{5} } \bigg) {}^{2}  + 2 \cdot \dfrac{1}{ \sqrt{7 +  \sqrt{5} } }  \cdot \sqrt{7 +  \sqrt{5} }

\qquad \sf  \dashrightarrow \: \dfrac{1}{7 +  \sqrt{5} }  + 7 +  \sqrt{5}  + 2

\qquad \sf  \dashrightarrow \: \dfrac{49 + 7 \sqrt{5} + 7 \sqrt{5} + 5 + 14 + 2 \sqrt{5}   }{7 +  \sqrt{5} }

\qquad \sf  \dashrightarrow \: \dfrac{68+ 16 \sqrt{5}    }{7 +  \sqrt{5} }

5 0
1 year ago
What is the value of x in the equation , when ?
mixas84 [53]

Answer:

x would equal 1

Step-by-step explanation:

7 0
2 years ago
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