4 years ago

Solve the equation 42=7r r=

Mathematics

2 answers:

Juli2301 [7.4K]4 years ago

8 0

Answer: r=6

Step-by-step explanation:

Because if 42 equals 7 times r you just have to divide 42 by 7.

GuDViN [60]4 years ago

4 0

Answer:

Step-by-step explanation:

$42=7r$

Switch sides

$7r=42$

Divide both sides by 7

$\frac{7r}{7} =\frac{42}{7}$

Simplify

$r=6$

You might be interested in

What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15

IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

$x = \frac{ - 8 + \sqrt{64 - 4} }{2} = - 4 + \sqrt{15} \\ \\ x = \frac{ - 8 - \sqrt{64 - 4} }{2} = - 4 - \sqrt{15}$

I hope this helps you :)

7 0

3 years ago

Read 2 more answers

Find the slope of the line passing through the two points: (1, -2) and (-3, -7)

GarryVolchara [31]

Answer:

5/4

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Giúp mình với mình không biết làm

Vladimir [108]

Can you translate so I can help you out

4 0

3 years ago

Which of the following is equivalent to 3^4?<br> 1. 12<br> 2. 81<br> 3. 7<br> 4. 64

Anna35 [415]

I think the answer is 12 because 3 times 4 is 12

3 0

2 years ago

Read 2 more answers

Simplyfy 5 x a x 5 x a

prohojiy [21]

Step-by-step explanation:

5×a×5×a

collect like terms

5×5×a×a

25×a^2

25a^2

8 0

3 years ago

Solve the equation 42=7r r=​

Solve the equation 42=7r r=