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saul85 [17]
3 years ago
12

A dress is $35.00 with 20% off.

Mathematics
2 answers:
Eduardwww [97]3 years ago
5 0
Answer: $28
to find 10% you need to divide by 10
10% = 3.5
20% = 7
35-7 = 28
Alja [10]3 years ago
4 0
I didn’t understand the question I thought it could be one of these two
So if you’re taking off 20% it’s
10%of 35=3.50
3.5 x 2=7
35-7=28

If you’re trying add back on 20%
Just add 35+7=42
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The total length of wires a b and c is 445 cm wire a is 45 cm longer then wire b and wire b is half as long as wire c how long i
Oksana_A [137]

Answer:

a = 145\ cm

Step-by-step explanation:

Given

a + b + c = 445

a = 45 + b

b = \frac{1}{2}c

Required

Determine the length of a

Solve for c in b = \frac{1}{2}c

2 * b = \frac{1}{2}c * 2

2b  = c

c = 2b

Substitute c = 2b and a = 45 + b in a + b + c = 445

a + b + c = 445

45 + b + b + 2b = 445

45 + 4b = 445

Solve for 4b

4b = 445 - 45

4b = 400

Solve for b

b = 400/4

b = 100

Recall that: a = 45 + b

a=45+100

a = 145\ cm

6 0
4 years ago
Dustin has only nickels and quarters in his piggy bank. He has 49 coins total for a combined value of $8.85. How many of each do
goblinko [34]
39.00 dollars is your answer.
6 0
4 years ago
What is the equivalent of | -21 |
Fynjy0 [20]
That's 21.

Hope this helps !

Nyway
8 0
3 years ago
Read 2 more answers
Given f(x)=3x-1 find f(-1)
vaieri [72.5K]

Answer:

<h2>f( - 1) = - 4</h2>

Step-by-step explanation:

f(x) = 3x - 1

To find f(-1) substitute the value of x that's

- 1 into f(x). That's for every x in f(x) replace it with - 1 and solve

That's

f( - 1) = 3(-1) - 1

= - 3 - 1

We have the final answer as

<h3>f(-1) = - 4</h3>

Hope this helps you

7 0
4 years ago
-1/3+(-3/5)=
Illusion [34]
\frac{-1}{3} + \frac{-3}{5}
You need to use the equation for adding fractions, which is \frac{a}{b} + \frac{c}{d} =(ad+bc)/bd

In this case,  a=-1, b=3, c=-3, d=5. 

&#10; \frac{(-1*5)+(3*-3)}{(3*5)}

simplify

answer: \frac{-14}{15}
3 0
4 years ago
Read 2 more answers
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