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3 years ago

Double a number is equal to the number decreased by 5 find the number

Mathematics

2 answers:

lina2011 [118]3 years ago

8 0

Answer:

n=the number

2n=n-5

2n-n=-5

n=-5

zepelin [54]3 years ago

5 0

The answer is -5.:) hope we helped

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Use the picture to find each of the following

goldfiish [28.3K]

$\large{ \tt{☄ANSWERS \: + \: REASONS}} :$

$\large{ \tt{ \angle \: 7 = \boxed{ \tt{38 \degree}}}} \: ( \text{Being \: alternate \: angles)}$

$\large{ \tt{38 \degree + \angle 4 = 180 \degree}}( \text{Sum \: of \: co - interior \: angles}$

$\: \: \: \: \: \large{ \tt{ ↦\angle \: 4 = 180 \degree - 38 \degree = \boxed{ \tt{142 \degree}}}}$

$\large{ \tt{ \angle \: 1 = \angle \: 4 = \boxed{ \tt{142 \degree}( \text{Being \: vertical \: angles)}}}}$

$\large{ \tt{ \angle \: 8 = \angle \: 4 = \boxed{ \tt{142 \degree} \text{(Being \: corresponding \: angles)}}}}$

$\large{ \tt{ \angle \: 6 = \angle \: 1 = \boxed{ \tt{142 \degree} \text{(Being \:corresponding \: angles) }}}}$

$\large {\tt{ \angle \: 2 = \boxed{\tt{38 \degree}}\text{(Being \: corresponding \: angles)}}}$

$\large{ \tt{ \angle \: 3 = \boxed{\tt{38 \degree} }\text{(Being \: alternate \: angles)}}}$

$\large{ \tt{✺ \: TIPS} }:$

If you have planned for study at 8:00 and now it's 8:05 then don't wait for 9 : 00 , Start studying that subject right now ! ♪

$\large{ \tt{❃ \: LEARN \: ABOUT \: ALTERNATE \: , CORRESPONDING\:AND \: CO - INTERIOR \: ANGLES}} :$

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8 0

3 years ago

What should be subtracted from

pychu [463]

<u>-5a²+13ab</u> should be subtracted.

<h3>Step-by-step explanation:-</h3>

Based on the given conditions, formulate,

$→- {a}^{2} - 4 {a}^{2} + 13ab$

$→-({a}^{2} - 4 {a}^{2}) + 13ab$

Taking the coefficients or numbers, we get,

$→(- 1 - 4) {a}^{2} + 13ab$

$→ - 5 {a}^{2} + 13ab$

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2 years ago

Read 2 more answers

Will award brainliest, Please help on question number 5

Advocard [28]

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3 years ago

How can you tell from an equation that a relation is quadratic

monitta

Answer:

if the equation is f(x)=ax^2+bx+c

Step-by-step explanation:

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