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Genrish500 [490]
2 years ago
14

Solve the quadratic equation 2x^2 + 6 = 8x by graphing.

Mathematics
1 answer:
Semmy [17]2 years ago
3 0

Answer:

D is the right ans after solving eqn we get two value of x and they are 1 and 3

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Which expression equals 6 when a = 5 and b = 1/3? Circle all that apply.
Troyanec [42]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help to solve this please with steps.
Blababa [14]

Answer:

284cm^2

Step-by-step explanation:

first, we split up the shape into seperate sections that we can easily find the areas of.

i will draw vertical lines in the bottom left and right, leaving me with 2 seperate rectangles and 1 irregular pentagon.

we know that these rectangles are 4x8cm, so we do 4 * 8 which gives us 32.

there are 2 of these, so 32 x 2 = 64cm^2.

now, i chose to seperarte the pentagon into a rectangle and a triangle,

and i found the height and width of the rectangle to be (18 - (4+4)) x (8+7), or 10 x 15.

the area of the rectangle is 150cm^2.

now, for the triangle.

the line through the centre of th shape is 22cm long, but we only want the part in the triangle. luckily, there are mesurements that can help us with this.

8 + 7 = 15.

22 - 15 = 7.

now we know that the height of the triangle is 7 cm.

from earlier, we also know the base, which is 10cm.

7 x 10 = 70cm^2.

now we add all these together:

70 + 150 + 64 = 284cm^2

4 0
3 years ago
Ill give brainliest to who can answer <br> 2/4 x 5/9 = 3.14
Lera25 [3.4K]

Answer:

if the x is for multiplication this is a false statement the true answer would be5/8 if the x is a variable then x would =11.304

Step-by-step explanation:

3 0
3 years ago
Use the equation to predict how many glasses with 9
cluponka [151]

Answer:

Bella can sell 13.78 glasses with 9 pieces of bling.

Step-by-step explanation:

Given the function

y=1.36x+1.54

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Given that the number of pieces of bling = x = 9

Thus,

y = 1.36x+1.54

 = 1.36(9)+1.54

 =12.24+1.54

 =13.78

Thus, Bella can sell 13.78 glasses with 9 pieces of bling.

8 0
3 years ago
What is the value of 27-2m when m=3
svetlana [45]

27 - 2(3)  =  \\ 27 - 6 = 21
I think that is the answer.
3 0
4 years ago
Read 2 more answers
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