3 years ago

Someome please help me

Mathematics

1 answer:

MrRa [10]3 years ago

3 0

Answer:

Step-by-step explanation:

Tell your teacher thet you need more helpp and pay attention to math

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Hey yall so im taking a test and imm very confused on hwo to find the letter n for the equation

kotegsom [21]

Answer:

n = -7,6

Step-by-step explanation:

n(n+1)+3=45

distributive property: a(b+c) = ab+ac

n²+n+3 = 45

n²+n -42 = 0

factor now

(n+7)(n-6) = 0

n = -7,6

8 0

3 years ago

What's 2 - 4 + 3 ×2<br> Pls solve this quick

Triss [41]

Answer:

Step-by-step explanation:

3x2 is 6

2-4 is -2

6-2 is 4

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2 years ago

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Are the following expressions equivalent 26-(-26) and 26+(-26)

kotegsom [21]

Answer:

No.

Step-by-step explanation:

They are not because the left side is 52, while the right side is 0.

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3 years ago

WILL GIVE BRAINLEST ! <br> hAVE A GOOD DAy :)!

NeX [460]

√84= √4•√21= final answer is
±2√21

7 0

3 years ago

What type of triangle is formed by joining the points D(7, 3), E(8, 1), and

KiRa [710]

D(7, 3), E(8, 1), and F(4, -1)

We calculate the squared distances between the points:

$DE^2 = 1^2 + 2^2 = 5$

$EF^2=4^2+2^2=20$

$DF^2=3^2+4^2=25$

Since $DF^2=DE^2+EF^2$ we have a right triangle with hypotenuse DF.

7 0

3 years ago