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Studentka2010 [4]
4 years ago
12

Solve for x 4x+5(5x-39)=-56

Mathematics
1 answer:
ZanzabumX [31]4 years ago
5 0

Answer:

x = 4.8

Step-by-step explanation:

4x+5(5x-39)=-56

4x+25x-195=-56

29x= 139

x = 4.79310344828

x = 4.8

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What is the answer of 9k multiply by 9 polynomials​
navik [9.2K]

Answer:

this is what i found

Step-by-step explanation: Multiply k and 9

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6 0
3 years ago
Read 2 more answers
Write and evaluate the expression. Then, check all that apply.       eight increased by a number;        evaluate when n = 5.3 F
Natasha_Volkova [10]

Answer:

A,B,D,E,H

Step-by-step explanation:

First, write an expression.

The correct expression is n + 8.

Second, substitute 5.3 for the variable, n.

Third, simplify by adding 5.3 and 8.

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7 0
3 years ago
Read 2 more answers
What is 3 fourths equal to n tenths
frozen [14]
3 n
- = -
4 10
cross multiply to get 4n=(3)(10)
multiply 3 and 10. 4n/4 = 30/4
n = 7.5
8 0
3 years ago
What is the value of 25 - 3x when x = 7 * ?
astra-53 [7]

Answer:

4

Step-by-step explanation:

25 - 3(7) .... Plug in 7

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4 ..... Answer

Hope this helps!

7 0
3 years ago
I need help ASAP!!!!!!!!! PLZZZ
frutty [35]

Answer:

b

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{AB}{XY} = \frac{BC}{YZ} , substitute values

\frac{15}{10} = \frac{21}{YZ} ( cross- multiply )

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6 0
3 years ago
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