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densk [106]
3 years ago
12

⚠️⚠️⚠️⚠️⚠️⚠️I NEED HELP! I WILL GIVE BRAINLIEST!⚠️⚠️⚠️⚠️⚠️⚠️ DO NOT ANSWER IF YOU DO NOT KNOW THE ANSWER OR YOU WILL BE REPORTED

. 10+ Points on the line

Mathematics
2 answers:
sineoko [7]3 years ago
8 0

Answer:

I think its D

Step-by-step explanation:

sry if im wrong

zepelin [54]3 years ago
5 0

Answer:

A dfe

Step-by-step explanation:

The answer is a you can tell because a triangle is equal to 180 do the math is A dfe

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Show that X^2-8x+20 can be written in the form (x-a)^2+a
svlad2 [7]

Answer:x^2 + 8x + 20

a = 1

b = 8

c = 20

Discriminant = b^2 - 4ac

=> 8^2 - 4(1)(20)

=> 64 - 80

=> -16

As -16<0

So, equation has no real roots

I hope this will help you

(-:

Step-by-step explanation:

8 0
3 years ago
Substract the polynomials and simplify (-3r2-2r-4)-(9r2+7r+2)
mina [271]

Answer:

-12r2-9r-6

Step-by-step explanation:

-distribute the subtraction symbol  to the second group of numbers

-(9r2+7r+2) = (-9r2-7r-2)

-then combine each term together (-3r2-2r-4)+(-9r2-7r-2)

= -12r2-9r-6

HOPE THIS HELPS!!

6 0
4 years ago
Find the 49th term of the sequence: 27,54, 81, 108 ..<br> Plz help
gizmo_the_mogwai [7]

The next number should be 297.

6 0
3 years ago
on a map with a scale 1: 25000,the area of a lake is 33.6 square centimeters. calculate the actual area of the lake, giving your
svlad2 [7]

Given :

On a map with a scale 1: 25000 .

The area of a lake is 33.6 square centimeters.

To Find :

The actual area of the lake.

Solution :

Let, actual area of lake is A.

So,

\dfrac{33.6}{A}=\dfrac{1}{25000}\\\\A = 840000\ cm^2

We know , 1 \ cm^2 = 10^{-10}\ km^2

Area in km² is :

A = 840000\times 10^{-10}\ km^2\\\\A = 8.4 \times 10^{-5}\ km^2

Hence, this is the required solution.

6 0
3 years ago
2. Find m1<br><br> [] 147<br> [] 123<br> [] 90<br> [] 57
Ivahew [28]
To find the measure of angle 1, you add 33 and 57
That would equal 90
Since all triangles equal 180, you would subtract 90 from 180
So the answer would be 90.
6 0
3 years ago
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