2 years ago

A number sentence is said to be true if both numerical expressions are

Mathematics

1 answer:

Igoryamba2 years ago

6 0

If both expressions are equivalent (that is when both evaluate to the same number)

You might be interested in

If the diagonals of a parallelogram are perpendicular bisector of each other then it is a ____

Rina8888 [55]

Answer:

Rhombus

Step-by-step explanation:

I think so, probably.

4 0

3 years ago

2 to the square root of 6 + 3 to the square root of 54

sdas [7]

Answer:

I think it's 12×54 but im probs wrong

3 0

2 years ago

Sandeep used 8 litres of fuel to travel 76 miles.

OleMash [197]

Answer:

I got, when calculated, 209 miles. (It may be wrong)

Step-by-step explanation:

First, I calculated how many miles can Sandeep travel with 1L, therefore I divided 76 miles by 8L and got 9.5 miles on 1L.

Then I multiplied 9.2 miles by 22L and got 209 miles.

This may be wrong but if anyone else is able to work it out much appreciated if it's correct.. Your most welcome!

4 0

2 years ago

Solve the quadratic equation x square + 6 x + 9 equals 0

Nataly [62]

X^2 + 6x +9
(x+3) (x+3)

x+3 = 0
x = -3

answer: x=-3

4 0

2 years ago

Solve by substitution. <br> 5x-3y=-4 <br> x+y=-4

GrogVix [38]

Answer:

x=-2,y=-2

Step-by-step explanation:

x+y=-4

x=-4-y--(3)

substitute (3) in (1)

5(-4-y) -3y=-4

-20-5y-3y=-4

-8y=16

y=16/-8

y=-2

substitute y in (3)

x=-4-(-2)

x=-2

5 0

3 years ago