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3 years ago

2x+5=13 Help me out please

Mathematics

2 answers:

viva [34]3 years ago

8 0

Answer:

Step-by-step explanation: 2x+5=13

-5 -5

2x=8

/2 /2

x=4

Oliga [24]3 years ago

4 0

Answer:

X = 4

Step-by-step explanation:

Subract 5 from 5 and 13

Simplify: 2x = 8

divide both sides of the equation by the same term 2x/2 8/2

which gets you x = 4

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1. A right triangle LMN is given where: side MN = 8 side NL (the hypotenuse) =

inessss [21]

Step-by-step explanation:

$\underline{ \underline{ \text{Given}}} :$

Length of MN ( Base ) = 8
Length of NL ( Hypotenuse ) = 10

$\underline{ \underline{ \text{To \: find}}} :$

Length of LM ( Perpendicular )

$\underline{ \underline{ \text{Using \: pythagoras \: theorem}}} :$

$\boxed{ \sf{ {Hypotenuse}^{2} = {Perpendicular}^{2} + {Base}^{2} }}$

⤑ $\sf{ Perpendicular = \sqrt{ {(Hypotenuse)}^{2} - {(Base)}^{2} } }$

⤑ $\sf{ \sqrt{ {(10)}^{2} - {(8)}^{2} } }$

⤑ $\sf{ \sqrt{100 - 64}}$

⤑ $\sf{ \sqrt{36}}$

⤑ $\boxed{ \sf{6\: units}}$

$\pink{ \boxed{ \boxed{ \tt{Our \: final \: answer : \boxed{ \underline { \tt{6 \: units}}}}}}}$

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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5 0

3 years ago

glenn needs 20 minutes to clean his room. if his little sister veronika pulls things out while he is cleaning, it takes 60 minut

mihalych1998 [28]

The answer is 50 minutes

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3 years ago

Read 2 more answers

The table shows the number of pages a student reads and how many

dolphi86 [110]

Answer:

the unit rate is 2.25

Step-by-step explanation:

4×2.25=9.0

6×2.25=13.5

8×2.25=18.0

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3 years ago

A 3 metre long piece of ribbon is cut into

Gnoma [55]

Step-by-step explanation:

3 meters = 300 cm

anyway, the ratio tells us that the whole ribbon can be seen as the combination of 3 + 2 = 5 equally long parts.

one such part is then

3 m / 5 = 0.6 m or 60 cm

the shorter piece is 2 of these parts long :

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2 years ago

How do you solve equations that contain like terms

lina2011 [118]

To solve an equation that contains LIKE TERMS you just have to combine them together.

For example, 3x-22+2x=48.

3x-22+2x=48 Add both x's together.

5x-22=48 <this will be the answer. After that, just solve it like a regular equation.

If the equation that you're trying to solve looks like this, 5x-41=59+9x
Subtract the smallest number on both sides.

5x-41=59+9x
-5x -5x
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MARK BRAINLIEST? HOPE IT HELPS. :)

3 0

3 years ago