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3 years ago

Count by is or 5s write the first five numbers you would count, starting at 15

Mathematics

2 answers:

Tcecarenko [31]3 years ago

8 0

20 25 30 35 40 hope I helped

yuradex [85]3 years ago

4 0

Answer:

20, 25, 30, 35,40

Step-by-step explanation:

15+5=20

20+5=25

25+5=30

30+5=35

35+5=40

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If 6^a × 2^b=3^x what is 2^a+b?

PSYCHO15rus [73]

Answer:

$6^a \times 2^b=3^x\\3^a \times 2^a \times 2^b=3^x\\2^{a+b}=\frac{3^x}{3^a} =3^{x-a}$

Step-by-step explanation:

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3 years ago

Solve the following inequality: 6x-4 3 B.x<3 C.x≤3 D. no solution

Tcecarenko [31]

Step-by-step explanation:

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3 years ago

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4 years ago

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Determine whether the equation defines y as a function of x. x+y=9 and x^2+y^2=1 and x=y^2

Murrr4er [49]

Answer:

Function: $x+y=9$

Not Function: $x^2+y^2=1$ and $x=y^2$

Step-by-step explanation:

Given

$x+y=9$

$x^2+y^2=1$

$x=y^2$

Required

Determine if $y$ is a function of $x$

Solving x+y=9

$x+y=9$

Make y the subject of formula

$y = 9 - x$

Hence; y is a function of x

Solving $x^2+y^2=1$

$x^2+y^2=1$

Subtract x² from both sides

$y^2=1 - x^2$

Square root of both sides

$y =\± \sqrt{1 - x^2}$

This implies that

$y =\sqrt{1 - x^2}$ or $y =-\sqrt{1 - x^2}$

Because $y$ can be any of those two expressions, it is not a function.

Solving $x=y^2$

$x=y^2$

Reorder

$y^2 = x$

Take square roots

$y = \±\sqrt{x}$

This implies that

$y = \sqrt{x}$ or $y = -\sqrt{x}$

Because $y$ can be any of those two expressions, it is not a function.

4 0

3 years ago

a zoologist hides in a bush 200 feet away from a tree inhabited by a family of monkeys. if the zoologist is looking up at an ang

Nastasia [14]

Answer:

$\displaystyle 53.6ft$

Step-by-step explanation:

refer the attachment

let the height be h

since we are given the adjacent side and want to figure out opposite side we'll use tan function

so our equation is

$\displaystyle \tan( {15}^{ \circ} ) = \frac{h}{200}$

cross multiplication:

$\displaystyle h = 200\tan( {15}^{ \circ} )$

by using calculator we acquire:

$\displaystyle h \approx 53.6ft$

hence,

about 53.6ft high in the tree ate monkeys

4 0

3 years ago