All categories

3 years ago

Solve for a: (a+4)/3 - a/7 = (a+7)/5

Mathematics

1 answer:

Katarina [22]3 years ago

3 0

Answer:

a= -7

Step-by-step explanation:

I hope this helps! :)

You might be interested in

I got stuck on this question - anyone willing to help?

sasho [114]

10cm because 8 is nearest to 10

6 0

2 years ago

Can anyone help me with this calc question?

Zepler [3.9K]

Answer:

0.7048

Step-by-step explanation:

Use trap rule on the calc

6 0

4 years ago

What is the inequality for x and why ?

sveticcg [70]

-3x - 42 > 3 |+42

-3x > 45 |change the signs

3x < -45 |:3

x < -15 → x ∈ (-∞, -15)

3 0

4 years ago

Suppose we have a right triangle with legs of length a and b and hypotenuse of length c. Suppose b=3 and c=5. Then a= , For the

ANTONII [103]

Answer:

Length of right-angle triangle 'a' = 4

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

Step-by-step explanation:

Step(i):-

Given b = 3 and hypotenuse c = 5

Given ΔABC is a right angle triangle

By using pythagoras theorem

c² = a² + b²

⇒ a² = c² - b²

⇒ a² = 5²-3²

=25 - 9

a² = 16

⇒ a = √16 = 4

The sides of right angle triangle a = 4 ,b = 3 and c = 5

Step(ii):-

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

7 0

3 years ago

If a scale factor is 5/2 , how would you write the general rule ? Is this an enlargement or a reduction?

Rzqust [24]

It would be an enlargement, because 5/2=2.5 which is greater than 1. Hope this helps!

7 0

3 years ago