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2 years ago

Pick one of the following sums and investigate these

1 answer:

Natasha2012 [34]2 years ago

4 0

The general rule for each sum is that when you add the tenth term together we will get ten which will make the value an integer. The whole sum is equals to eleven.

<h3>How to find the general rule for a sum?</h3>

Let's sum the decimal numbers to know the general rule,

Therefore,

3.7 + 7.3 = 11.0

6.4 + 4.6 = 11.0

9.1 + 1.9 = 11.0

5.5 + 5.5 = 11.0

Therefore, the values added are the reverse of the decimals. example is 3.7 and 7.3 or 6.4 and 4.6.

When you add the tenth term together we will get ten which will make the value an integer

learn more on sums here: brainly.com/question/3722146

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Consider the line (d) with equation y = –2x+6

PolarNik [594]

Answer:

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Step-by-step explanation:

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3 years ago

What is the value of x?<br><br> x+<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B5%7D" id="TexFormula1" title="\frac{4}{5}"

Oliga [24]

Answer:

× = 10 1/5

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3 years ago

Jim and his dad are bricklayers. Jim can lay bricks for a fireplace and chimney in 5 days. With his father's help he can build i

kati45 [8]

we are given

Jim can lay bricks for a fireplace and chimney in 5 days

Jim's 1 day work is

$=\frac{1}{5}$

we are given

With his father's help he can build it in 2 days

so, both can do same work in 2 days

so, both's 1 day work is

$=\frac{1}{2}$

Let's assume

his father to build it alone in x days

his father 1 day work is

$=\frac{1}{x}$

so, both's 1 days work is

$=\frac{1}{x}+\frac{1}{5}$

so, we can set it to 1/2

we get

$\frac{1}{2}=\frac{1}{x}+\frac{1}{5}$

now, we can solve for x

$\frac{1}{2}=\frac{5*1}{5*x}+\frac{1*x}{5*x}$

$\frac{1}{2}=\frac{5+x}{5x}$

now, we can cross multiply

$5x=2(5+x)$

$5x=10+2x$

$3x=10$

now, we can solve for x

$x=\frac{10}{3}$

so,

his father to build it alone is

$=\frac{10}{3}days$ ............Answer

8 0

3 years ago

What are the solutions to 16x^2-12x=54? Select all the apply.

lesya692 [45]

Answer:

-3/2 or 9/4

Step-by-step explanation:

16x^2 - 12x = 54

Now, we take 54 to the left side. It leads the right side to become "0". As 54 is a positive, it will negative as we change the side.

16x^2 - 12x - 54 = 0

Dividing both the sides by 2, we get,

8x^2 - 6x - 27 = 0

Now, we use factorization method,

8x^2 + 12x - 18x - 27 = 0

or, 4x (2x + 3) - 9 (2x + 3) = 0

or, (2x + 3) (4x - 9) = 0

Now, 2x + 3 = 0; or, 4x - 9 = 0

2x = - 3; or, 4x = 9 (changing the sides)

or, x = - (3÷2); or, x = (9÷4)

Therefore, the solution set for x is either - 3/2 or 9/4

4 0

4 years ago

At what rate of simple interest will ₹4400 amount to ₹5610 in 5 years 6 months

Ilia_Sergeevich [38]

Answer:

0.05 or 5%

Step-by-step explanation:

The formula for simple interest is as follows:

A = P(1+rt), with A representing the final amount, P representing the initial amount, r being the rate, and t being time. Plugging our values in, we have

5610 = 4400(1+5.5r). We know that 5 years and 6 months is 5.5 because 6 months = 0.5 years

5610 = 4400(1+5.5r)

expand

5610 = 4400 + 24200r

subtract 4400 from both sides to isolate the variable and its coefficient

1210 = 24200r

divide both sides by 24200 to isolate the variable

r = 0.05 or 5% as 0.05 * 100 = 5

4 0

3 years ago