3 years ago

Help me please I really don’t understand:(

Mathematics

1 answer:

stich3 [128]3 years ago

3 0

Answer:

Step-by-step explanation:First one is 2

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Can someone help me please

inna [77]

Replace x with -2 and solve:

A) -2 + -2 = -4 which is not less than or equal to -8

B) 2 + -2 = 0, this is greater than or equal to -8

C) -2 + -2 = -4, this is not less than -8

D) 2 + -2 = 0, this is not greater than 8

Answer: B is true

8 0

1 year ago

What is the mean of the measures of the three exterior angles of a triangle if two of the interior angles have measures of 63 an

Genrish500 [490]

Answer:

Mean score=120

Step-by-step explanation:

Areas of a triangle add upto 180degrees (63+78+x=180) 141+x= (x=180-141) x=39
Areas on a straight line add upto 180degrees

180-78=102

180-63=117

180-39=141

102+117+141=360
Mean=360/3 =120

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3 years ago

The explicit formula for the nth term of an arithmetic sequence is an = a1 + (n - 1) • d. What is the simple formula correspondi

BlackZzzverrR [31]

= -10 + (n - 1)*4
= -10 + 4n - 4
= 4n - 14

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3 years ago

Solving these quadratics for x using complete the square 3x^2-4x-1=0

ZanzabumX [31]

Answer:

in picture

Step-by-step explanation:

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3 years ago

Hannah has $2 worth of dimes and quarters. She has a total of 17 dimes and quarters altogether. By following the steps below, de

sineoko [7]

Answer:

2 quarters and 15 dimes

Step-by-step explanation:

15 dimes = $1.50

2 quarters = $0.50

$1.50+$0.50=$2.00

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3 years ago