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lbvjy [14]
3 years ago
9

Help me please, greatly appreciated.

Mathematics
2 answers:
iogann1982 [59]3 years ago
5 0

M<7 = 135` because lines 1&3 are 135, as well as 5&7 are 135.

zloy xaker [14]3 years ago
3 0

<7 = <5 (vertical angles)

<5 = <1 (corresponding angles)

so <7 = <1 = 135°

Answer

<7 = 135°

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Which pair shows equivalent expressions?
Alona [7]

Answer:

Option 3

Step-by-step explanation:

We need to find a pair which shows equivalent expressions.

First equation is

2x+10=-2(x-5)

LHS=2x+10

RHS=-2(x-5)=-2(x)-2(-5)=-2x+10

LHS\neq RHS

Option 1 is incorrect.

Second equation is

-2(x+5)=2x-10

LHS=-2(x+5)=-2(x)-2(5)=-2x-10

RHS=2x-10

LHS\neq RHS

Option 2 is incorrect.

Third equation is

-2x-10=-2(x+5)

LHS=-2x-10

RHS=-2(x+5)=-2(x)-2(5)=-2x-10

LHS=RHS

Option 3 is correct.

Fourth equation is

-2(x–5)=-2X-10​

LHS=-2(x–5)=-2(x)-2(-5)=-2x+10

RHS=-2x-10

LHS\neq RHS

Option 4 is incorrect.

Therefore, the correct option is 3.

3 0
3 years ago
For what value of x is the equation 2^2x+7 = 2^15 true?
GenaCL600 [577]

Answer:

  x = 4

Step-by-step explanation:

We assume your equation is intended to be ...

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Equating exponents gives ...

  2x +7 = 15

  2x = 8 . . . . . . subtract 7

  x = 4 . . . . . . . divide by 2

The value of x is 4.

8 0
4 years ago
Exhibit 6-2 the weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 poun
Evgen [1.6K]
The question is asking for the lower bound of the 95% two tailed Confidence interval of the normally distributed population.

95% C.I. is given by 200 + or - 1.96(25) = 200 + or - 49 = (151, 249)
Therefore, the minimum weight of the middle 95% of players is 151 pounds.
5 0
3 years ago
Fernando has been saving money to buy an e-book reader. A store has just marked down the price of its readers by 40%. Each reade
Amanda [17]

Answer:

$75

Step-by-step explanation:

Remove $25 from $150. (125)

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150 - 25 = 125 - 50 = 75

3 0
3 years ago
Read 2 more answers
If XY = 5x-3 and XZ=44, find x and the value of YZ
mixer [17]

The midpoint of a line divides the line into equal halves.

  • <em>The value of x is 5</em>
  • <em>The value of YZ is 22</em>

<em />

Given that:

XY = 5x -3

XZ = 44

Y is the midpoint of XZ. So:

XZ = 2 \times XY

44 = (5x - 3 ) \times 2

44 = 10x - 6

Collect like terms

10x = 44 +6

10x = 50

Divide both sides by 10

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Recall that: Y is the midpoint of XZ

This means that:

YZ = \frac12 XZ

YZ = \frac12 \times 44

YZ = 22

Hence, the value of x is 5 and YZ is 22

Read more about midpoints at:

brainly.com/question/2441957

4 0
3 years ago
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