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andrew-mc [135]
4 years ago
10

Simplify the expression. (5x2 - x - 7) + (2x2 + 3x + 4)

Mathematics
1 answer:
kifflom [539]4 years ago
3 0

Answer:11+2x

Step-by-step explanation:

(10-7-x)+(4+4+3x)

3-x+8+3x

3+8+3x-x

11+2x

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What is the answer to 2x45⁄ = 35
Evgesh-ka [11]

Answer:

x=-5

Step-by-step explanation:

subtract 45 from left side. 35-45=-10. divide 2 by -10.

3 0
4 years ago
Guys pls help me!!!!!!!
9966 [12]

Answer:

36°

Step-by-step explanation:

it's the same as the given number.

lines l, m, and n are parallel to each other and the same line is intersecting all three of them. since the 36° angle is in the same placement as the x° angle, they are the same.

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6 0
3 years ago
6x + 7x = 39 helppppppppppppppp
lesya [120]

Answer:

x = 3

Step-by-step explanation:

6 0
3 years ago
Hi i need help solving this problem and explaing how i got the answer step by step please anyone
Cerrena [4.2K]

Answer:

-161

Step-by-step explanation:

-11(3)-16(8)​

PEMDAS

P there are no parentheses

E  there are no exponents

MD  Multiply and divide from left to right

-33 -128

AD add and subtract from left to right

-161

7 0
3 years ago
A piece of property lies between two parallel streets as shown. m&lt;1=(2x+6)°,and m&lt;2=(3x+9)°. What is the relationship betw
kolezko [41]
  • The angles are supplementary angles
  • The measure of angle m<1 and m<2 are 72 and 108 degrees respectively

Find the diagram attached. From the figure, the sum of the angles m<1 and m<2 are supplementary

Given the following angles

m<1 = 2x + 6

m<2 = 3x + 9

Since both angles are supplementary, hence;

2x + 6 + 3x + 9 = 180

5x + 15 = 180

5x = 180 - 15

5x = 165

x = 165/5

x = 33

Get the measure of m<1;

m<1 = 2x + 6

m<1 = 2(33) + 6

m<1 = 66 + 6

m<1 = 72degrees

Get the measure of m<2:

m<2 = 180 - m<1

m<2 = 180 - 72

m<2 = 108degrees

Hence the measure of angle m<1 and m<2 are 72 and 108 degrees respectively

Learn more here: brainly.com/question/22309882

5 0
3 years ago
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