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almond37 [142]
3 years ago
9

9=x+1Find the answer of it ​

Mathematics
2 answers:
katrin2010 [14]3 years ago
8 0
X is equal to the number 8
zaharov [31]3 years ago
5 0

Answer:

Step-by-step explanation:

Well when you add eight plus one it equals nine

( 8+1 = 9)

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What is the discriminant of 3 x squared minus 10 x = negative 2?
sasho [114]

<u>Answer</u>:

The discriminant of 3 x squared minus 10 x = negative 2 is  76

<u>Explanation</u>:

<u>Given</u>:

3x^2-10x=-2

3x^2-10x+2=0..........(1)

We can find out the discriminant by using the formula

D=b^2-4ac

So from the equation (1)

We have b = -10

a= 3

c= 2

Now put all these values of a,b and c in the formula of discriminant to find out the value of D

So  

D=(-10)^2-4(3)(2)

D=100-24=76

D=76

So the discriminant of the given quadritic equation = 76

5 0
3 years ago
Read 2 more answers
A gym is offering a trial membership for 3 months by offering a $50
MatroZZZ [7]

Answer:

3x - 50 < 100

Step-by-step explanation:

4 0
3 years ago
Mrs. Ramsey pays $2.98 per pack of pencils she buys. She went to the store and used a $5 discount card on her purchase. If her t
Natali [406]

Answer:

she bought 10 packs of pencils

Step-by-step explanation:

24.80+5=29.80/2.98=10

5 0
3 years ago
What do you notice about the surface area and volume for each individual shape versus the surface area and volume for the compos
Rashid [163]

Answer:

Suppose that we have two cubes where the side lenghts are L.

The volume of each cube is L^3

The surface of each cube is 6*L^2.

Now, if we add them we have:

Area of both cubes = 2*L^3

Surface of both cubes = 2*6*L^2 = 12*L^2

Now, suppose now that we have a composite shape with the two cubes,

The dimensions of this figure is lenght = L, height = L widht = 2L

Then the volume of the composite shape is L*L*2L = 2L^3

you can see that the volume does not change.

The surface is: 2*(2L*L + 2L*L + L*L) = = 10L^2

So the surface does change: why this happens?

This happens because when we do a composite shape, some surface of both figures is "absorbed" when we put the figures togheter (in this case one face of each cube is being absorved by the composite shape)

So, in conclusion:

Volume is invariant and surface depends on how we do the composite shape.

8 0
3 years ago
If every story in a building was 15 high how high would be a 10 story building
Doss [256]

Answer:

150 units.

Step-by-step explanation:

Every story is 15 units high.  There are 10 stories.

to find this answer I multiplied 10 by 15 because there are 10 stories, each one 15 units high.

10 x 15 =150

4 0
3 years ago
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