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Degger [83]
3 years ago
10

Solve 7 8 and 9 please

Mathematics
2 answers:
VLD [36.1K]3 years ago
7 0
7) y = 4x
8) y = 7x/8
9) y = 25x/3

I think this are the answers.
lbvjy [14]3 years ago
5 0
The anthe answer is 39
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(0,65-3,21)por(-8,12)=?
PIT_PIT [208]

Answer:  =20,7872

Step-by-step explanation:

For this exercise it is important to remember the multiplication of signs. Notice that:

(+)(+)=+\\\\(-)(-)=+\\\\(-)(+)=-\\\\(+)(-)=-

In this case you have the following expression given in the exercise:

(0,65-3,21)(-8,12)

Then you can follow the steps shown below in order to solve it:

Step 1: You must solve the subtraction of the numbers 0,65 and 3,21. Then:

=(-2,56)(-8,12)

Step 2: Now you must find the product of the decimal numbers above. In order to do that you must multiply the numbers.

(As you can notice, both are negative, therefore you know that the product will be positive).

Then, you get that the result is the following:

 =20,7872

5 0
2 years ago
Given the equation <img src="https://tex.z-dn.net/?f=%5Csqrt%7B2x%2B1%7D%3D3" id="TexFormula1" title="\sqrt{2x+1}=3" alt="\sqrt{
r-ruslan [8.4K]
3 I don’t actually Know the answer sorry
4 0
2 years ago
Lisa, a researcher at the Centers for Disease Control and Prevention, is studying the growth of a bacteria. She starts her exper
goblinko [34]

Answer:

776

Step-by-step explanation:

4 0
2 years ago
What is the simplest form of 20/8
Rzqust [24]
The simplest form of <span>20/8 is 5/2</span>
3 0
3 years ago
The pans shown are balanced. Use the SubtractionProperty of Equality to find which shapes are equalto one purple pyramid.
Bad White [126]

According to the Subtraction property of equality, the equality of an expression holds true if the same finite number is subtracted from both sides of the equality,

a=b\Rightarrow a-c=b-c

Now, observe the given figure carefully.

We will use the above-mentioned property to get rid of the common shapes that exist on both sides. Here, the balance represents equality between both sides.

Consider that the pans are initially balanced. And both sides contain a red cube. So we can subtract or eliminate the red cube and the equality will still hold true.

Similarly, we can eliminate the blue sphere.

At this point, we have the purple pyramid and a yellow diamond on the left side, and on the right side, we have 4 pieces of yellow diamond.

Observe that one piece of yellow diamond is common to both sides, so it can also be eliminated from both sides.

After this, the left side will contain only the purple pyramid while the right side contains 3 yellow diamonds. Since we are always using the subtraction property to eliminate the shapes, the balance must be maintained throughout the process.

At last, there must exist a balance between the left side containing the purple pyramid only, and the right side containing 3 yellow diamonds.

Therefore, it can be concluded that one purple pyramid is equal to 3 yellow diamonds.

6 0
1 year ago
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