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tigry1 [53]
3 years ago
7

Peter spent half the money on his gift card and coffee and he loaded another $10 on the gift card how much was on the gift card

to begin with if he has spent $40 on the card
Mathematics
1 answer:
sasho [114]3 years ago
5 0

Answer:

$80 was on the gift card to begin with

Step-by-step explanation:

Let the initial money be x

Peter spent (1/2)*x

Peter added 10

<em>Before adding more money on the gift card Peter had x -(1/2)x left on the gift card which is (1/2)x</em>

<em>After loading more money Peter had (1/2)x + 10</em>

(1/2)x = 40 <em>(money spent by Peter)</em>

x/2 = 40

x = 80

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In the right triangle ABC with right angle at A , the inradius is 2cm. If the hypothenuse BC=10cm , determine the perimeter and
trasher [3.6K]

Answer: 24cm

Step-by-step explanation:

Inradius = r

c = the hypothenuse

a & b = the other 2 sides of the triangle

Inradius formula: r = 1/2 * (a+b-c)

Plug in what we know.

2 = 1/2 * (a+b-10)

Multiply both sides by 2.

2*2 = 1/2 * (a+b-10) * 2

4 = a+b-10

Add 10 to both sides.

4+10 = a+b-10+10

14 = a+b

Perimeter formula: P=a+b+c

Plug in what we know

(remember a+b=14).

P=14 + 10

P = 24

3 0
3 years ago
What does 24 + (-13)​
Marizza181 [45]

Answer: 11

Step-by-step explanation: subtract 13 from 24 and then add the existing number on that I think

6 0
4 years ago
37. Use the equation below to answer parts a-c.
maw [93]

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

Step 1

3(-2x+4) =-6x-12  Equation/Question

Step 2

3(-2x+4) =-6x-12  Remove parenthesis

-6x+12=-6x-12

Step 3

-6x+12=-6x-12  Add 6x to sides

12=-12

Step 4

12=-12  Subtract 12 from sides

-24=0

Answer

No solutions

Hope this helps

6 0
3 years ago
Read 2 more answers
I need help again if I don't get this right then I'll have to do the lesson all over again and I'm already 10 lessons behind!
s2008m [1.1K]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Just multiply the values:

1/27 x 567 = volume

volume = 21 in^3

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

6 0
3 years ago
Whats the difference of squares
stepan [7]
An example of the difference of squares would be: a^2-b^2 = (a+b)(a-b)
6 0
3 years ago
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