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3 years ago

What is 43 rounded to the nearest ten

Mathematics

2 answers:

Lemur [1.5K]3 years ago

6 0

43 rounded to the nearest tenth is 40 hope this helps! =3

boyakko [2]3 years ago

5 0

The answer is 40, you look at the number on the right side and if it's before 6 that you round smaller and if it's 7 to 9 you round higher.

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a quadratic equation has a discriminant of 12. which could be the equation? a.0 = –x2 8x 2 b.0 = 2x2 6x 3 c.0 = –x2 4x 1 d.0 = 4

Norma-Jean [14]

Answer:

Option b which is $2x^2+6x+3=0$

Step-by-step explanation:

We have been given the discriminant 12

We have to choose the equation which will satisfy the given discriminant.

We will consider all the given equation one by one

First we will take option a which is $-x^2+8x+2=0$

Discriminant from the equation we will find by the formula

$D=b^2-4ac$

Here, a=-1,b=8 and c=2 on substituting the values we will get

$D=8^2-4(-1)(2)=72$

Hence, option a is incorrect.

Now, we will consider option b which is $2x^2+6x+3=0$

Here, a=2,b=6 and c=3 on substituting the values we get

$D=(6)^2-4(2)(3)=12$

Hence, option b is correct

Therefore, option b is the required answer.

8 0

3 years ago

Read 2 more answers

#f-venus1324fordeletingmyquestion2021

kifflom [539]

Answer:

Tysm. Ummmm... 1+1=2 yay im smart

Step-by-step explanation:

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3 years ago

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2 years ago

Need help ASAP

Margarita [4]

<span>Angle T = Angle C, let them equal x

So x + x + 140 = 180

2x = 40

x = 20

So Angle T = 20 degrees </span>

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4 years ago

Solve for x <br> 4x - 3 =17

MakcuM [25]

Answer:

x = 5

Step-by-step explanation:

Add three to 17 and your answer will be 20, then divide 20 and 4 and your answer is 5

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3 years ago