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4 years ago

20 POINTS!!!!!!!!

Mathematics

1 answer:

lorasvet [3.4K]4 years ago

7 0

You are asked to find the missing value in

... 40 + ? = 70

given that it is also the solution to

... ? + 5 = 35

Either way, you subtract the constant that is on the same side of the equation as the unknown.

... 40 + ? - 40 = 70 - 40

... ? = 30 . . . . the missing value

_____

You can check to see if this also satisfies the equation

... 30 + 5 = 35 . . . . . . . true

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HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEE

umka21 [38]

Answer:

The solution set to the absolute value is:

$S = \{x \in \mathbb{R}| x \ge 0\}$ or $S = [0, +\infty)$

Negative real numbers are not included in the solution set, as for $x < 0$ , $|x| = - x$ .

Step-by-step explanation:

From Mathematics, we know that absolute values are defined by the following characteristics:

1) For $x \ge 0$ , $|x| = x$

2) For $x < 0$ , $|x| = - x$

Then, if $|x| = x$ , then the solution set to the absolute value is:

$S = \{x \in \mathbb{R}| x \ge 0\}$ or $S = [0, +\infty)$

Negative real numbers are not included in the solution set, as for $x < 0$ , $|x| = - x$ .

3 0

3 years ago

For the picture below, find the measure of the remaining angles. The measure of angle1=72^

Sidana [21]

2 is 108

3 is 72

4 is 108

5 is 108

6 is 72

7 is 108

8 is 72

6 0

3 years ago

What is the value of x<br><br> 1/5 = 25/x

Mama L [17]

First getting x as a numerator rather than a denominator. Then grouping like terms by moving 5 from the left side to the right. Work below:
$\frac{1}{5} = \frac{25}{x} \\ \frac{1}{5}*x = \frac{25}{x}*x\\ \frac{1}{5}x = 25\\\frac{1}{5}x * 5 = 25*5\\x=125$

3 0

3 years ago

Read 2 more answers

5x² + 2 = 12 square roots

Nimfa-mama [501]

I believe it’s 27 square root sorry if I’m wrong! :/

5 0

3 years ago

have The Shroud of Turin, which shows the negative image of the body of a man who appears to have been crucified, is believed by

Jlenok [28]

Answer:94%

Step-by-step explanation:

Half life of a radioactive element is the time taken for half it's mass to disintegrate away.it means after attaining half life,what will be left is 100-50=50%.

Let the 100% mass of C-14,be x

Then 5730years=1/2 of X

Then 660 years=y of X

Where Y is the fraction of C-14 that has disintegrate as at 1988.

5730/660=1/2X/yX

5730/660=1/2/y

Cross multiplying

5730×y=660×1/2

5730y=330

Y=330/5730=0.05759

In %,5.76%

Amount of C-14 left is

100-5.76=94.24=94% as at 1988.

5 0

4 years ago