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3 years ago

How do I square numbers

Mathematics

2 answers:

jonny [76]3 years ago

6 0

Hellooo, it's me, you square numbers by

TEA [102]3 years ago

5 0

To square a number multiple it by itself

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Mary is spending money at the average rate of $5 per day. After 14 days she has $68 left. The amount left depends on the number

Radda [10]

Answer:

A. Y-68=-5(x-14)

Step-by-step explanation:

Mary is spending money at the average rate of $5 per day. After 14 days she has $68 left. The amount left depends on the number of days that have passed. write an equation for the situation

We find the equation using the point slope equation of a line. This is given as:

y - y1 = m(x-x1)

The slope intercept form will be

y = -5x + b

since the amount decreases by $5 per day...

Our slope is -5 so m=-5

We have a point (x1,y1) = (14, 68)

Hence, we have:

y-68 = -5(x-14)

Option A is correct

4 0

3 years ago

Is the following relation a function? x y −1 −2 2 3 3 1 6 −2

PilotLPTM [1.2K]

Yes because no same x-valu resulted in different y-values.

6 0

3 years ago

Read 2 more answers

James has 38 stamps in his stamp collection. He collects about 6 stamps a month. How many stamps will James have in 7 months?

Andrej [43]

80 since he starts off with 38 stamps then gains 6 each month for 7 months (6x7=42) so 42+38=80

8 0

3 years ago

Read 2 more answers

Write a real-world problem that can be represented by the equation 1/2x+6=20. Then solve the problem

butalik [34]

One-half of a number plus six will equal 20.

Solving:
1/2x + 6 = 20
-6 -6
1/2x = 14
*2/1 *2/1
x = 28 <--Answer to problem

8 0

3 years ago

An ice cream shop sells cones at the volume of 94.2 cubic meters they want to double the volume of the cones without changing th

marin [14]

The volume of a cone is $V=\pi r^2\frac{h}3$ where r = radius and h = height. If the cone has a volume of 94.2 cm³ (I assume you didn't mean m³ because that would be ridiculously huge) and a height of 10 cm, we can plug these values into the formula to find the radius. Don't do any rounding.

$94.2 = \pi r^2\frac{10}3 \\ 282.6 = \pi r^2 *10 \\ 28.26 = \pi r^2 \\ 8.99543738355 = r^2 \\ 2.99923946752=r$

Now we know that's going to be the radius of our new cone as well since we're keeping the diameter the same. The volume is going to be double 94.2 which is 188.4. Let's solve for the height.

$188.4 = \pi (2.99923946752)^2\frac{h}3 \\ 188.4 = \pi(8.99543738355)\frac{h}3 \\ 188.4 = 28.26\frac{h}3 \\ 565.2 = 28.26h \\\\ \boxed{h = 20, r\approx 3}$

5 0

3 years ago