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3 years ago

I need help with number 7

Mathematics

2 answers:

Vinil7 [7]3 years ago

5 0

The correct option would be H

vovangra [49]3 years ago

5 0

Answer:

H: dilation (ratio 3)

Step-by-step explanation:

F: scale along the x-axis

G: reflect through the x-axis

J: translate along the line y = x

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Find sec theta if theta is in quadrant 4 and sin theta= -1/5

lara31 [8.8K]

Answer:

$\frac{5}{2\sqrt{6} }$

Step-by-step explanation:

Since Θ is in fourth quadrant then cosΘ > 0, as is secΘ

Given

sinΘ = - $\frac{1}{5}$ , then

cosΘ = $\sqrt{1-(-1/5)^2}$

= $\sqrt{1-\frac{1}{25} }$ = $\sqrt{\frac{24}{25} }$ = $\frac{2\sqrt{6} }{5}$

Hence

secΘ = $\frac{1}{\frac{2\sqrt{6} }{5} }$ = $\frac{5}{2\sqrt{6} }$

5 0

3 years ago

Read 2 more answers

Which of the following expressions represents "the difference of 8 and n"?

kiruha [24]

Answer:

n-8

Step-by-step explanation:

difference means subtraction so it can't be 8n which is multiplication or 8-0 because n is not represented.

8 0

3 years ago

If you invest $ 30 , 700 with an annual interest rate of 8.9 % , compounded daily, how much would you have at the end of 4 years

alexandr402 [8]

Answer: $43,823.37

Step-by-step explanation:

Formula to calculate the accumulated amount earned on principal (P) at rate of interest (r) compounded daily after t years :

$A=P(1+\dfrac{r}{365})^{365t}$

As per given , we have

P= $ 30,700

r= 8.9 % = 0.089

t= 4 years

$A=30700(1+\dfrac{0.089}{365})^{365(4)}\\\\=30700(1+0.0002438)^{365(4)}\\\\=30700(1.0002438)^{1460}\\\\=30700(1.42747138525)\\\\=43823.3715272\approx43823.37$

Hence, the amount at the end of 4 years would be $43,823.37 .

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3 years ago

Find the area of the shaded sector. Round your

kkurt [141]

Answer:

Step-by-step explanation:

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4 years ago

Add using a number line: -9 + (-3) = ___

Tomtit [17]

-12

Mark brainliest please

Hope this helps

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3 years ago