Without dividing how can you decide wether the quotient of 7.16 * 4 will be less than or greater than 2

1 answer:

6 0

1. If you want to get 2 while dividing by 4 you would have to divide 8 by 4.

2. 7.16 ≤ 8

Meaning that you would get less than 2.

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1. Solve. 3(h – 4) = –1/2(24 – 6h) 2. Solve for x. ax + bx = –c

Naddik [55]

ANSWER TO QUESTION 1

$3(h-4) = - \frac{1}{2} (24 - 6h)$

We multiply through by the Least Common Multiple which is 2.

$2 \times 3(h-4) = - 2 \times \frac{1}{2} (24 - 6h)$

$6(h - 4) = - 1(24 - 6h)$

We expand brackets to obtain,

$6h - 24 = - 24 + 6h$

Grouping like terms, have

$6h - 6h = - 24 + 24$

$\Rightarrow 0 = 0$

Whenever you solve an equation and you get the above result, you don't have to get confuse.

It simply means the question does not have a UNIQUE solution.

That any real number will number will satisfy the above equation.

Hence,

$h \in R$

ANSWER TO QUESTION 2

$ax + bx = - c$

We factor x to obtain;

$x(a + b) = - c$

We divide both sides by (a+b)

$x = - \frac{ c}{a + b}$

3 0

3 years ago

Mary runs 7 1/5 miles, jogs 5 1/4 miles andcwalks 8 2/3 miles. How far has she traveled?

MrRa [10]

Answer:

217/60 miles

Step-by-step explanation:

7 0

3 years ago

Idk if someone wants to help to solve this but- it’s worth a try I think it’s 15 points or so and I’ll mark brainliest to first

Anastaziya [24]

Answer:

Part 3: 9 Dogs

Step-by-step explanation:

It says that the ratio they want you to put it in is dogs/students, so dogs are x, and students are y, so if there are 4 students for every dog, 36 students would require 9 dogs

And if the roles were switched it would be students x, dogs y, and there would be 9 students for 36 dogs :D

3 0

3 years ago

Can anyone tell me how to do this? (Steps) and can you answer these two questions for me plz

Andrew [12]

Ax²+bx+c=0

The formula to solve for x is:

$x= \frac{-b(+/-) \sqrt{ b^{2}-4ac } }{2a}$

So for 3x²+13x+10=0, plug in the data

x=-13±√13²-4(3)(10) / 2(3)
x=-13±√169-120 / 6
x=-13±√49 /6
x=-13±7 / 6

x=-13+7/6
x=-6/6
x=-1

x=-13-7/ 6
x=-20/6 or 3.3repeating

3x²+14x+15=0
x=-14±√14²-4(3)(15) / 2(3)
x=-14±√196-180 /6
x=-14±√16 / 6

x=-14+4/6
x=-10/6 or 1.6repeating

x=-14-4/6
x=-18/6
x=-3

7 0

3 years ago

James baked 5 1/4 dozen peanut butter cookies and 4 5/6 dozen oatmeal cookies for a bake sale what was the number of dozen cooki

Doss [256]

Answer:

$10\frac{1}{12}$ dozen