3 years ago

You owe your sister $5.35, and she lends you another $4.50, how much do you owe her now

Mathematics

1 answer:

Margarita [4]3 years ago

6 0

You would now have to pay her $9.85

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I need help with this math problem.

Nostrana [21]

Step- Theby-step explanation:The answer is 21/2

This is the step:

(x-8)/5=2/4,then you can get (x-8)=(2/4) multiply by 5

(x-8)=10/4=5/2

x=(5/2)+8

x=21/2

8 0

3 years ago

The average cost when producing x items is found by dividing the cost function, C(x), by the number of items, x. When is the ave

kakasveta [241]

Answer:

<em>The average cost is less than 100 when the number of items x is greater than 2</em>

Step-by-step explanation:

The cost equation is $C(x) = 10x + 180$

The average cost $Cp = \frac{C(x)}{x}$

We want to know when the cost Cp is less than 100.

$Cp$

$Cp = \frac{C(x)}{x}$

$10 + \frac{180}{x}$

For $x> 0$

$\frac{180}{90}$

$x> 2$

The average cost is less than 100 when $x>2$

8 0

3 years ago

Find the slope of the line passing through each of the following pairs of points: a A(a, b) and B(c, d)

SpyIntel [72]

Answer:

there must be coordinates

Step-by-step explanation:

4 0

3 years ago

If A is= 31×37 to the power of 2, how many factors does A have

oksano4ka [1.4K]

Answer:

A has 3 factors: 31 x 37 x 37

Step-by-step explanation:

31 and 37 are prime numbers so there are no other factors. due to the square the factor 37 shows up twice.

4 0

3 years ago

(3/5)x + 25y=10 determine the slope of the line

Sophie [7]

Answer:

The slope is -0.048/2.000 or -0.024

Step-by-step explanation:

7 0

3 years ago