Sven is thinking of two numbers.thesum is 12 the difference is 4 what are the two numbers

Mathematics

2 answers:

vladimir2022 [97]3 years ago

5 0

The answer is 4 and 8.

8 + 4 = 12

8 - 4 = 4

kvasek [131]3 years ago

4 0

I tried each possible combination and quickly found the answer, that's how it looks:

11 + 1 = 12
11 - 1 = 10

10 + 2 = 12
10 - 2 = 8

9 + 3 = 12
9 - 3 = 6

8 + 4 = 12
8 - 4 = 4

(...)

So the numbers Sven was thinking of are 8 and 4.

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Solve the equation using square roots. x2 + 10 = 9

Oksana_A [137]

$x^2 + 10 = 9$

Subtract 10 from both sides.

$x^2 = -1$

Since the square of a number, x, equals a negative number, -1, the answer cannot be a real number because the square of a real number is always non-negative. Therefore, there is no real number solution to this equation.

Answer: B. no real number solutions

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3 years ago

Mark all the statements that are true.

Artyom0805 [142]

Answer:

Option A

Option C

Step-by-step explanation:

A relationship is defined as a function if and only if each element of the "domain" set is assigned only one element of the "range" set. That is, there is only one output value y assigned to each input value x.

The relation x = 3 is not a function because there are infinite output values y, assigned to the same input element x.

(3, 2), (3, 5) (3, 9) (3,10000)

Then the option A is true

Option C is also true, the equation of the line shown is

$x = 3$