MATHEMATICS HIGH SCHOOL

Please answer all three questions for full points.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

1. a) vertical stretch by a factor of 5 and

e) reflection over x-axis

2. c) reflection over the y-axis

e) horizontal shift to the right 4 units

3. c) horizontal shift

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HELP HERE PLESSS. :)
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Answers

Answer:

is reflected across the line x=4

What is (5x + 3z) +9z simplified

Answers

5x+12z Because you take, 3z+9z and that is equivalent to 12z. and then you put the 5x back into the equation so it is 5x+12z

the answer is 8x+12z

your welcome

58% of what number is 48?

Answers

Answer:

82.758620689655

Step-by-step explanation:

48/0.58=82.758620689655

A man invests a certain amount of money at 2% interest and $800 more than that amount in another account at 4% interest. At the end of one year, he earned $92 in interest. How much money was invested in each account?A) $1,500 at 2%; $2,300 at 4%
B) $1,400 at 2%; $2,200 at 4%
C) $1,000 at 2%; $1,800 at 4%

Answers

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Let the principal amount be 'x'.

First rate of interest = 2%

Second rate of interest = 4%

Number of years = 1

Amount of interest he earned = $92

According to question,

$(x* 2)/(100)+((x+800)* 4)/(100)=92\n\n(2)/(100)(x+2(x+800))=92\n\nx+2x+1600=(92* 100)/(2)\n\n3x+1600=4600\n\n3x=4600-1600\n\n3x=3000\n\nx=(3000)/(x)\n\nx=\$1000$

So, First investment of $1000 at 2% and Second investment of $1000+$800=$1800 at 4%.

Hence, Option 'C' is correct.

x the first account interest = x/100*2 = 2x/100
(x + 800)/100 * 4 =( 4x + 3200)/100
2x/100 + (4x + 3200)/100 = 92
2x + 4x + 3200 = 9200
6x = 6000
x = 1000
C is the answer

And an equation of the line. Write the equation using function notation.Through (-5.-9), parallel to 2x + 5y = 7