3 years ago

Evaluate the following expression.

Mathematics

1 answer:

velikii [3]3 years ago

7 0

(-6) ^ (-2) = 36 ^ (-1) = 1 / 36

Answer C.

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If ad=30 and dc=30 what is the length of bd

DerKrebs [107]

BD =√30 +√30

BD = 2√30

Here you go

7 0

2 years ago

The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages 118. How old is Eva?

Alona [7]

Answer:

Eva's age is 44 years

Step-by-step explanation:

Let

x ----> Brita's age

y ----> Eva's age

we know that

The sum or their ages 118

$x+y=118$ ----> equation A

The difference in age between Brita and her daughter Eva is 30 years

$x-y=30$ ----> equation B

Solve the system by elimination

Adds equation A and equation B

$x+y=118\\x-y=30\\---------\\x+x=118+30\\2x=148\\x=74$

<em>Find the value of y</em>

substitute the value of x in any equation

$74+y=118\\y=118-74\\y=44$

therefore

Eva's age is 44 years

3 0

3 years ago

A solution of the inequality 2x + y < -3 in order pair

vlabodo [156]

its your ans have a nice day

3 0

2 years ago

Point Y is the midpoint of segment XZ. If XY = 2(3x +1) and YZ = 5x + 22, find the value of x.

Ede4ka [16]

<h3>Point Y is the midpoint of segment XZ. Then value of x is 20</h3>

<em><u>Solution:</u></em>

Given that,

<em><u>Point Y is the midpoint of segment XZ</u></em>

XY = 2(3x +1)

YZ = 5x + 22

To find: Value of x

Since, Point Y is the midpoint of segment XZ,

Therefore,

XY = YZ

2(3x + 1) = 5x + 22

6x + 2 = 5x + 22

6x - 5x = 22 - 2

Thus, value of x is 20

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Kazeer [188]

Answer:

1600

Step-by-step explanation:

40*40

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2 years ago