What’s the answer?2/5+(4/7+3/5)

Mathematics

1 answer:

alexira [117]3 years ago

6 0

Answer:

1 4/7

Step-by-step explanation:

2/5 x 7/7 = 14/35

4/7 x 5/5 = 20/35

3/5 x 7/7 = 21/35

14/35 + 20/35 + 21/35 = 55/35

55/35 = 1 20/35 = 1 4/7

Hopefully this helps you :)

pls mark brainlest ;)

You might be interested in

A mother is 1 and 3/4 times as tall as her son. Her son is 3 feet tall. How tall is the mother?

Inga [223]

Answer:

The mom is 5 feet 3 inches

Step-by-step explanation:

<u>Step 1: Make an equation</u>

m = 1 3/4 * 3

<u>Step 2: Solve</u>

m = (4/4+3/4) * 3

m = 7/4 * 3

m = 21/4

m = 5.25

<em>m = 5 feet 3 inches</em>

<em />

Answer: The mom is 5 feet 3 inches

7 0

3 years ago

Read 2 more answers

Which of the following constants can be added to x2 + x to form a perfect square trinomial?

solmaris [256]

The constant should be added to form a perfect square trinomial will be 1/4. Then the correct option is D.

<h3>What is a quadratic equation?</h3>

It's a polynomial with a value of zero. There exist polynomials of variable power 2, 1, and 0 terms. A quadratic equation is an equation with one statement in which the degree of the parameter is a maximum of 2.

The expression is x² + x.

Then the constant should be added to form a perfect square trinomial.

Then the constant will be

The square of the half of the coefficient of the variable x is to be added to make a perfect square.

Then the constant will be 1/4.

Then the perfect square will be

$\rm \rightarrow x^2 + x + \dfrac{1}{4}\\\\\\\rightarrow x^2 + 2 \times \dfrac{1}{2} x + \left (\dfrac{1}{2} \right )^2\\\\\\\rightarrow \left (x + \dfrac{1}{2} \right)^2$