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BabaBlast [244]
3 years ago
12

Which values are solutions?

Mathematics
1 answer:
Mashutka [201]3 years ago
7 0

Answer:

D and E

Step-by-step explanation:

Given

\sqrt{x} < 9 ( square both sides )

(\sqrt{x} )² < 9², that is

x < 81

The only values where x < 81 are 75 and 80, that is D and E

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Help With This Equation:
kompoz [17]

Answer:

  • Base = 3 units
  • Height = 7 units
  • Area = 3 · 7
  •   = 21 units²

Step-by-step explanation:

Count the squares. The horizontal extent is 3 squares, so is 3 units.

The vertical extent is 7 squares, so is 7 units. We're only concerned with the vertical distance between the horizontal lines at the top and bottom of the figure. The slant distance along the side of the figure is irrelevant.

From there, fill the numbers into the blanks and do the multiplication. "bh" means multiply the Base value by the Height value.

_____

<em>Comment on units</em>

It is not quite true that 3·7 = 21 units². What is true is that ...

  (3 units)·(7 units) = 21 units²

The equal sign should be treated with respect and care. What is found on one side must always be strictly equal to what is found on the other side. You cannot simply add "units²" to one side of the equation because you feel like it. There must be something corresponding on the other side of the equation.

You can actually multiply and divide units (and in Physics, you're expected to do so). The units can be attached to the numbers and treated in the math as though they were a variable. This can be especially helpful in area, volume, time/speed/distance, and unit-rate problems.

5 0
3 years ago
Make x the subject of the formula<br> X + p = q
denpristay [2]

Given:

The equation is

x+p=q

To find:

The formula where x is the subject of the given formula.

Solution:

To make x the subject of the formula, we need to isolate the variable x.

We have,

x+p=q

Subtracting p from both sides, we get

x+p-p=q-p

x+0=q-p

x=q-p

Therefore, the required formula of x is x=q-p.

7 0
3 years ago
Baker leaves his house and drives 10 miles north then 24 miles west to Tellus Science Museum. If
Alexxx [7]

Answer:

34

26

8

Step-by-step explanation:

 

7 0
3 years ago
If a sample proportion is 0.26 which of the following is most likely the range of possible values that best describes an estimat
Misha Larkins [42]

Answer:

I just took the quiz and got (0.15, 0.37)

Step-by-step explanation:

3 0
3 years ago
Brenda finish 1/3 of a friendship bracelet 1/2 of an hour at this rate how many bracelets can she finish in 1 hour
Tresset [83]

First, 1/2 of an hour is 30 minutes. Well, how many 30 minutes are in an hour? 2, because 2*30 = 60.

So Brenda finish 1/3 of the bracelet in 30 minutes. We would just do...

(1/3)*2 = 2/3

Brenda can finish 2/3 of a bracelet in 1 hour.

7 0
3 years ago
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