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3 years ago

Can You Help Me Solve for M -7+4m+10=15-2m

Mathematics

2 answers:

Rudik [331]3 years ago

6 0

Answer:

m=2

Step-by-step explanation:

-7+4m+10=15-2m

We move all terms to the left:

-7+4m+10-(15-2m)=0

We add all the numbers together, and all the variables

4m-(-2m+15)-7+10=0

We add all the numbers together, and all the variables

4m-(-2m+15)+3=0

We get rid of parentheses

4m+2m-15+3=0

We add all the numbers together, and all the variables

6m-12=0

We move all terms containing m to the left, all other terms to the right

6m=12

m=12/6

m=2

kenny6666 [7]3 years ago

4 0

Answer:

m=2

Explanation:

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2 – Efetue:

BartSMP [9]

A) $7x(-5)$

A multiplicação de um numero positivo por um numero negativo resulta em um numero negativo: $(+) x (-)=(-)$

$(7x5)$

Multiplique os valores

$-35$

resposta para A: $-35$

B) $(-9)x(-8)$

A multiplicação dois números negativos resulta em um numero positivo : $(-)x(-)=(+)$

$9 x 8$

Multiplique os valores

$72$

Resposta para B : $72$

C) $(-15) : 5$

A divisão de um numero negativo por um positivo resulta em um numero negativo: $(-):(+)=(-)$

$-(15:5)$

Divida os números

$-3$

Resposta para C: $-3$

D) $125 : 25$

Divida os números

$5$

Resposta para D: $5$

POR FAVOR ME MARCA BRAINLIEST

5 0

2 years ago

What is the following quotient? 5/√11-√3

kati45 [8]

ANSWER

$\frac{5( \sqrt{11} + \sqrt{3} )} {8}$

EXPLANATION

The given rational function is

$\frac{5}{ \sqrt{11} - \sqrt{3}}$

We need to rationalize the denominator by multiplying both the numerator and the denominator by the conjugate of

$\sqrt{11} - \sqrt{3}$

which is

$\sqrt{11} + \sqrt{3}$

When we rationalize we obtain:

$\frac{5( \sqrt{11} + \sqrt{3} )}{(\sqrt{11} - \sqrt{3} )( \sqrt{11} + \sqrt{3} )}$

The denominator is now a difference of two squares:

$(a - b)(a + b) = {a}^{2} - {b}^{2}$

We apply this property to get

$\frac{5( \sqrt{11} + \sqrt{3} )}{( \sqrt{11}) ^{2} - ( \sqrt{3}) ^{2} )}$

$\frac{5( \sqrt{11} + \sqrt{3} )}{11 - 3}$

This simplifies to

$\frac{5( \sqrt{11} + \sqrt{3} )} {8}$

$\frac{5 } {8}\sqrt{11} + \frac{5 } {8}\sqrt{3}$

8 0

3 years ago

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94 1/4 divided by 7 1/4

Lerok [7]

The answer is 13 :)))

6 0

3 years ago

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The sale price of a bike is $189.50. The sale tax is 5%. What is the total price?

Roman55 [17]

It would be $947.50 because you would multiply $189.50 by 0.05.

3 0

3 years ago

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11/ 42 Marks

amm1812

Answer:

(a)x=128 degrees

(b) $\angle APD\neq 116^\circ$

Step-by-step explanation:

$\angle ABD+\angle CBD =180^\circ$ (Linear Postulate)\\\angle ABD+116^\circ =180^\circ\\\angle ABD=180^\circ-116^\circ\\\angle ABD=64^\circ$

(a) Now:

$\angle AOD=2 \times \angle ABD$ (Angle at the centre is twice the angle at the circumference)\\x=2 \times 64^\circ\\x=128^\circ$

(b)

$\angle APD=2 \times \angle ABD$ (Inscribed Angle Theorem)\\\angle APD=2 \times 64^\circ\\ \angle APD=128^\circ$

$\angle APD\neq 116^\circ$

7 0

3 years ago