MATHEMATICS HIGH SCHOOL

Amy wants to buy a digital camera that sells for $199.99 if he uses his discount car he will save 18% . About how much will he save using the discount card?

Answers

Answer 1

Answer:

Answer:

36.00

Step-by-step explanation:

199.99 - 18%( 36.00)= 163.99

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If f(x) = 1/9 x-2 , what is f–1(x)?

Answers

Answer:

$f^(-1)(x)=9x+2$

Step-by-step explanation:

Given: $f(x)=(1)/(9)(x-2)$

We need to find the inverse of f(x).

Step 1: Set f(x) = y

$y=(1)/(9)(x-2)$

Step 2: Switch x and y

$x=(1)/(9)(y-2)$

Step 3: Solve for y, Isolate y

$x=(1)/(9)(y-2)$

Multiply by 9 both sides

$9x=y-2$

Add 2 both sides

$9x+2=y$

$y=f^(-1)(x)$

Hence, $f^(-1)(x)=9x+2$

Hello,

y=1/9 x-2
==>x=1/9 y -2
==>9x=y-18
==>y=9x+18

f^(-1)(x)=9x+18

Is 7, 695 divided by 855 positive or negative?

Answers

Answer:

Negative

Step-by-step explanation:

A positive divided by a negative will always be negative.

Answer:

if they are both positive its positive

if ones positive and ones negitive its negative

if they are both negative its positive

Step-by-step explanation:

If you have budgeted 12% of your monthly income for groceries, how much can you spend on groceries if you earn $950 bi-weekly? A. $190 B. $2,280 C. $114 D. $228

Answers

To calculate this you would need to calculate your monthly income. Because most months are made up of around four weeks you would need to double your $950 bi-weekly (every other week) income because you get paid twice a month. This would result in a monthly income of $1,900. After this you would need to take 12% of that monthly income so multiply $1,900 by 0.12 to come up with D. $228

If you earn $950 bi-weekly, you earn 2 x 950 = $1900 per month. If you have budgeted 12% of your monthly income for groceries you need to find 12% of $1900: (1900 / 100) x 12 = 228. Answer: you can spend $228 a month on groceries.

13x-7y+4x(simply the expression by combining like terms)
Please help!:) and if you can please show the steps!<3

Answers

Answer:

17−7

Step-by-step explanation:

Hope this helped good luck in your work!

Which sets of measurements could be the interior angle measures of a triangle?Select each correct answer.

Question 2 options:

10°, 10°, 160°

15°, 75°, 90°

20°, 80°, 100°

35°, 35°, 105°

60°, 60°, 60°

Answers

The sum of all the three interior angles of a triangle are 180 degrees. This does not depend on the positioning of the three sides. The sides can be positioned in any way, but the sum must be 180 degrees.

So, the best possible sets of measurements that could be the interior angle measures of a triangle are : 15°, 75°, 90° And 60°, 60°, 60°

I really need help with that

Answers

Given:

1/8 x 4 = (1*4) / 8 = 4/8 = 1/4
1/4 x 3 = (1*3) / 4 = 3/4
3/8 x 2 = (3*2) / 8 = 6/8 = 3/4
1/2 x 3 = (1*3) / 2 = 3/2 = 1 1/2
5/8 x 1 = 5/8
7/8 x 1 = 7/8
3/4 x 1 = 3/4

Total number of tomatoes = 4 + 3 + 2 + 3 + 1 + 1 + 1 = 15 tomatoes
Total weight = 1/4 + 3/4 + 3/4 + 3/2 + 5/8 + 7/8 + 3/4

1/4 * 2/2 = 4/8
3/4 * 2/2 = 6/8
3/2 * 4/4 = 12/8

4/8 + 6/8 + 6/8 + 12/8 + 5/8 + 7/8 + 6/8 = 46/8 total weight in pounds

46/8 ÷ 15 tomatoes = 46/8 * 1/15 = 46/120 = 23/60 average weight per tomato

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40 Jenny is buying gifts for her family. So far she has spent $45,95, and she has one more gift to buy. She started with a total of $60 to spend on all of her gifts Write an inequality that shows how much she can spend on the final gift

Write the first three terms of the series for which tn = 2(n+3). Find the number of terms of the series required to make the sum 228.

Select the following numbers that cannot represent the area of a polygon.a. 68b. 40c. -5d. square root 30e. 0f. -200