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3 years ago

Can You Solve This?

1 answer:

3 0

First add the numbers 46=2x3 (1+2)
Then multiply the numbers 46=2x3
Then check the equality 46=6
If it was a true or false I came up with a false but I really hope this helped you

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Ms. Perry bought a plant and is tracking the height of the plant each week. If y represents the height of the plant, in inches,

VMariaS [17]

Answer:

When Ms. Perry bought the plant, its height was 5 inches. The plant grew at the rate of 2.5 inches per week.

Step-by-step explanation:

The rate of change, or slope, represents the rate at which the height of the plant increased per week.

Use the points (2 , 10) and (4 , 15) from the table to calculate the rate of change, also known as the slope.

y2 - y1 = 15 inches-10 inches

x2 - x1 4 weeks-2 weeks

2.5 inches/1 week or 2.5 inches per week

So, the rate of change is 2.5 inches per week.

Now, find the y-intercept, b, by using the equation y = mx + b, where m is the slope of the line represented by the given table of values and (x , y) is any point on the line.

Substitute m = 2.5 and (x , y) = (2 , 10) in the above equation to find out the initial height of the plant.

y=mx+b

10=2.5 (2) + b

5=b or b=5

So, the initial height of the plant was 5 inches.

Therefore, the situation represented by the table is when Ms. Perry bought the plant, its height was 5 inches. The plant grew at the rate of 2.5 inches per week.

5 0

2 years ago

Last year's computer models are discounted 20%. What was the original price to the nearest dollar of a computer that now costs $

Alisiya [41]

Answer:

Step-by-step explanation:

<h3>If the Original price was $ X , Then </h3>

$x - 0.20x \: = 1480$

$0.8x = 1480$

$x = 1480 \div 0.8$

<h3>So , X = 1850 dollars .</h3>

<h2>Hope this helps you !!! </h2>

3 0

2 years ago

To factor the quadratic expression x^2−8x−10 by completing the square, what value would be added? A. 64 B. 8 C. 16 D.-16

Elan Coil [88]

Answer:

Step-by-step explanation:

When completing the square, we essentially want to create a perfect square trinomial by adding a constant.

If we have the following expression:

$x^2+bx$

And we want to complete the square, we will need to divide the b-coefficient by half and then square it.

Thus, the added term should be:

$(b/2)^2$

In the given equation, we have:

$(x^2-8x)-10$

The b term here is 8. Therefore:

$(8/2)^2\\=(4)^2\\=16$

The value we would add would be 16.

The answer is C.

Further notes:

To complete the square, add 16 like mentioned earlier. However, we also need to subtract 16 to balance things out:

$(x^2-8x)-10\\=(x^2-8x+16)-10-16\\$

The expression inside the parentheses is now a perfect square trinomial. Factor it:

$=((x)^2-2(4)(x)+(4)^2)-26\\=(x-4)^2-26$

And we are done!

4 0

3 years ago

Read 2 more answers

!!!!!!!!!!!!Send help!!!!!!!!!

sweet [91]

Answer:

C. y = x + 3

Use, desmos.com

3 0

3 years ago

If the length of a cuboid is 60cm and width 40cm and its surface area is 14800cm² find its height

kherson [118]

Formula of surface area of cuboid = 2(lb+bh+lh) . Surface area of cuboid is 14800cm^2 (Given) then 14800 = 2(60*40+40*Height+Height*60) 14800= 2(2400+40*H+H*60) 14800= 4800+80*2H+2H*60 14800= 4880*4H*60 14800/4880*60= 4H
14800/292800=4H
7400/146400=4H
3700/73200=4H
1850/36600=4H
925/18300=4H
185/3660=4H
37/732=4H
37/732*4=H
37/2928=H
H= 79.1351351

3 0

2 years ago

Read 2 more answers