MATHEMATICS HIGH SCHOOL

Please solve this equation below:I get this equation from my textbook and it says x = 0,45
Please write down full calculation for this equation. Thanks!

(x-0,4)/(1-x) = (0,33-0,3)/(0,3)!

Answers

Answer 1
Answer: Put Xs value in: (.45-.4)/(1-.45) = (.33-.3)/(.3). (.05)/(.55) = (.03)/(.3). .090909091=.1 round it = .1=.1 :) hope this helps you

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A similarity transformation maps polygon ABCD to polygon PQRS. If the length of is 6 and the length of the corresponding side, , is 12, what is the scale factor of dilation

Answers

For this case, what we must do is find the scale factor.
 We have then that the scale factor is given by:
 k = (L1)/(L2)
 Where,
 L1: side length of polygon ABCD
 L2: side length of polygon PQRS
 Note: both sides belong to the same side of each polygon
 Substituting the values we have:
 k = (6)/(12)
 Rewriting we have:
 k = (1)/(2)
 Answer:
 The scale factor of dilation is given by:
 k = (1)/(2)
(6)/(12) = (1)/(2) from the larger polygon to smaller one

(12)/(6) = 2, from the smaller polygon to the larger one.

Which word phrase can you use to represent the algebraic expression 6y

Answers

C. The product of 6 and a number y.
6 times y.  one way to do these is read it out loud, and if that doesn't help than try explaining what the expression says, out loud. so you would read this as "six y", or you could explain it as 6y is saying you have y six times

A chef prepared five chocolate tortes for a dinner party. The guests consumed 2 5/16 tortes. How manytortes are left?
A. 3 11/16
B. 2 9/16
C. 3 9/16
D. 2 11/16

Answers

If you would like to know how many tortes are left, you can calculate this using the following steps:

five chocolate tortes - 2 5/16 tortes = 5 - 2 5/16 = 5 - 37/16 =  80/16 - 37/16 = 43/16 = 2 11/16

The correct result would be D. 2 11/16.

Number of left tortes are, 43/16

We have to given that,

A chef prepared five chocolate tortes for a dinner party.

And, The guests consumed 2 5/16 tortes.

Now, Number of left tortes are,

⇒ 5 - 2 5/16

⇒ 5 - 37/16

⇒ (80 - 37) / 16

⇒ 43/16

Therefore, Number of left tortes are, 43/16

Learn more about the subtraction visit:

brainly.com/question/17301989

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If a jigsaw puzzle is priced 17.00 but cost 17.68 at the register what is sales tax rate​

Answers

Answer:4%

Step-by-step explanation:

From the question, we are informed that a jigsaw puzzle is priced 17.00 but cost 17.68 at the register. This means that the sales tax is (17.68 - 17.00) = 0.68.

Therefore, the sales tax rate will be calculated as:

= (0.68 / 17.00) × 100

= 4%

The sales tax rate is 4%

PLZ HELP ASAP!!! WILL MARK BRAINLIEST!!Select all that apply. Which of the following expressions have a quotient of -1/71/7

(-1)/(-7)

(-1)/7

-(1/7)

1/(-7)

Answers

Answer:

it's a,c,d like if this helps

Answer:

(-1)/7

1/(-7)

-(1/7)

These two equations will be equal to -1/7 as

(-1)/7=-1/7

1/(-7)=-1/7(THE SIGN OF THE DENOMINATOR WILL BE GIVEN TO THE NUMERATOR IF NEGATIVE)

-(1/7)=-1/7 (When we avoid the bracket the answer will be equalent)

The function f(r) gives the area of a circle with radius r. It can be written in equation form as fr) = 3.14/2². What is f(5)?

Answers

Answer:

basically all u do is sub in 5 for r.

Step-by-step explanation:

f(5) = 3.14 * 5^2

f(5) = 3.14 * 25

f(5) = 78.50 <===
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