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2 years ago

Which of these is equal to 9 - 4?

Mathematics

1 answer:

Veronika [31]2 years ago

5 0

Answer:

Step-by-step explanation:

...yeah

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The value of y is directly proportional to the value of x. If y = 35 when X = 140, what is the

vekshin1

Answer:

17.5

Step-by-step explanation:

soln:

given,

since, x and y are directly proportional

and x=140, y=35

dividing x by y we get,

x/y=140/35

or,x/y=4/1

or,x=4y

when x=70,

x=4y

or,70=4y

•°•y=17.5

4 0

2 years ago

At a coffee shop, the lunch bill was $18.45, not including the tip. what was the total amount of the lunch, including a tip of $

lina2011 [118]

The answer would be 18.45 + 3 = 21.45

4 0

2 years ago

If f(x)=x2-2x and g(x) =6x+4, for whichvalue of x dose (f+g)(x)=0

Juliette [100K]

Answer:

The value of x that makes the equation equal to 0 is -2.

Step-by-step explanation:

In order to find this, we first must create the composite function using the designated operation. The operation is addition, so we just add them together.

f(x) + g(x) = (f+g)(x)

(x^2 - 2x) + (6x + 4) = (f+g)(x)

x^2 + 4x + 4 = (f+g)(x)

Now, in order to find when this is equal to 0, we need to factor.

x^2 + 4x + 4 = 0

(x + 2)(x + 2) = 0

When it is fully factored, we can set each parenthesis equal to 0 in order to find the value. Since the parenthesis are exactly the same, we only have to do this once.

x + 2 = 0

x = -2

6 0

2 years ago

#19 please I’m literally failing math

ankoles [38]

Answer:

$51.12

Step-by-step explanation:

Hello there!

In number 19, we want to find the total price of a sweatshirt that costs $48 dollars but has 6.5% sales tax

Sales tax is a small percentage of the cost of an item that is added to items when they are being sold.

In this problem, 6.5% of the cost of the sweatshirt will be added to the cost of the sweatshirt in the form of sales tax. The price of the sweatshirt plus the amount in sales tax will be the total cost of the sweatshirt.

Translating that as an equation,

48 + 48*6.5%=total cost

You can calculate 48*6.5% as $\frac{48*6.5}{100}$ , which is equal to 3.12

So that means that $3.12 will be added to the cost of the sweatshirt.

Therefore,

48 + 3.12=<u>$51.12</u>, which will be the total cost of the sweatshirt, including sales tax

Hope this helps!

7 0

2 years ago

Look at the long division problem shown on the right. Complete the division to determine what the remainder will be.

Masja [62]

Answer:

The remainder is...

Hope this helps!!

Step-by-step explanation:

5 0

2 years ago

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