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astra-53 [7]
2 years ago
12

Ill just casually give points away :)

Mathematics
2 answers:
Aleks [24]2 years ago
5 0

Answer:

Thank you

Explanation:

grin007 [14]2 years ago
4 0

Answer:

Thank you

Step-by-step explanation:

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Solve the quadratic equations
Alexxx [7]

Answer:

for quadratic equation 1

y^2-10y+21=0

Step-by-step explanation:

y^2-7y-3y+21=0

y(y-7)-3(y-7)=0

(y-7)(y-3)=0

y-7=0,y-3=0

y=7,y=3

y=(3,7)

for quadratic equation 2

16p^2-8p+1=0

16p^2-4p-4p+1=0

4p(4p-1)-1(4p-1)=0

(4p-1)twice=0

4p-1=0,4p-1=0

4p=1

p=1/4 twice

for quadratic equation 3

x^2-400=0

x^2=400

x=√400

x=20

for quadratic equation 4

-16m^2-8m-1=0

multiply the equation by -

16m^2+8m+1=0

16m^2+4m+4m+1=0

4m(4m+1)1(4m+1)=0

4m+1=0 twice

m=-1/4 twice

for quadratic equation 5

-3n^2+75=0

divide both side by -3

-3n^2/-3=-75/-3

n^2=25

n=√25

n=5

6 0
2 years ago
Need this answered please!!
Paraphin [41]
<h2>ABC and DEF</h2>

Their 3 angles are equal (64,26,90)

Hope this will help...

Please mark as brainliest

6 0
2 years ago
38.Randy and Amy left school at the same time and began walking in oppo-
RideAnS [48]

Answer:

DISTANCE=RATE*TIME. THEREFORE

X=3.6*1/6+4.2*1/6 (1/6 HOUR=10 MIN)

X=.6+.7

X=1.3 KM IS HOW FAR THEY WIL BE APART AFTER 10 MINUTES.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
HELP 7TH GRADE I WILL GIVE BRAINLIEST
Feliz [49]

Answer:

a

Step-by-step explanation:

theres a 90 degree angle and a has a 95 so thats pretty close

5 0
2 years ago
Help help help math math
horrorfan [7]

Answer:

-6x-10

Step-by-step explanation:

you multiply 3x by -2

and 5 by -2

never forget the negative

7 0
2 years ago
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