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2 years ago

Can someone help me with number 10

Mathematics

1 answer:

AveGali [126]2 years ago

3 0

Answer:

No they don't show direct variation because if you get y alone, the equation you get is in slope intercept form instead of direct variation.

Step-by-step explanation

direct variation: y=kx

y-x=4

+x +x

y= 4+x

Not Direct Variation

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Evaluate y/2x-z x=4y=3and z=2

Gwar [14]

First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4

5 0

3 years ago

Solve using they law of exponents <br> x^2 x x^-5

pentagon [3]

Answer:

−103

Step-by-step explanation:

6 0

2 years ago

Scientists were studying a rare species of parrot. They went to a forest in the year

Brrunno [24]

Answer:

$P(t) = 608(1.5)^{t}$

Step-by-step explanation:

The number of parrots in t years after 2010 can be modeled by the following function:

$P(t) = P(0)(1+r)^{t}$

In which P(0) is the number of parrots in 2010 and r is the growth rate, as a decimal.

608 parrots in the forest in 2010.

This means that $P(0) = 608$

Then

$P(t) = 608(1+r)^{t}$

When the scientists went back 5 years later, they found 4617 parrots.

This means that $P(5) = 4617$

We use this to find 1 + r. So

$P(t) = 608(1+r)^{t}$

$4617 = 608(1+r)^{5}$

$(1+r)^{5} = \frac{4617}{608}$

$1 + r = \sqrt[5]{\frac{4617}{608}}$

$1 + r = 1.5$

$P(t) = 608(1.5)^{t}$

8 0

3 years ago

Are you smart? help me in this question please?

shepuryov [24]

Answer:

Angle 1 = 38 and angle 4 = 142 degrees.

8 0

2 years ago

Read 2 more answers

Mr.yueng graded his students math quizzes students came up with four different answers when solving the equation x3=22. Which an

alex41 [277]

The question is incomplete. Here is the complete question:

Mr.yueng graded his students math quizzes students came up with four different answers when solving the equation x3=22. Which answers is correct.

(A) $\frac{22}{3}$

(B) $\sqrt[3]{22}$

(C) $\pm \sqrt[3]{22}$

(D) $\sqrt{22}$

Answer:

(B) $\sqrt[3]{22}$

Step-by-step explanation:

Given:

The equation to solve is given as:

$x^3=22$

Here, the left hand side of the equation has a variable 'x' in exponent form. So, in order to solve for 'x', we have to eliminate the exponent.

For removing the exponent, we have to take cubic root on both the sides. As we know that,

$\sqrt[n]{x^n} =x$

So, taking cubic root on both the sides, we get

$\sqrt[3]{x^3}=\sqrt[3]{22}\\\\x=\sqrt[3]{22}$

Therefore, the second student has written the correct answer and hence the correct option is (B).

6 0

2 years ago

Read 2 more answers