Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .

Mathematics

1 answer:

Lynna [10]2 years ago

3 0

The answer is C i think though

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Can anyone simplify 24q2/8q-3

Morgarella [4.7K]

24q^2 / 8q^-3

lets break this down...
24/8 = 3

q^2 / q^-3....when dividing exponents with the same base, keep the base and subtract the exponents. q^2 / q^-3 = q^(2 -(-3) = q^(2 + 3) = q^5

put them together and u get : 3q^5

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3 years ago

Is a triangle with sides that measure 6inches,8inches and 9inches a right triangle

AveGali [126]

No, because, using the Pythagorean Theorum:

6^2+8^2=9^2
36+64 IS NOT = TO 81

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3 years ago

Read 2 more answers

I need it now plz btw i am in middle school

Svet_ta [14]

Answer:

A)2x+7=38

2x=38-7

2x=31

x=31/2

x=15.5

B)3x-8=52

3x=52+8

3x=60

x=60/3

x=20

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7 0

2 years ago

There are 100 students at a college who have taken a course in calculus, 110 who have taken a course in discrete mathematics, an

vesna_86 [32]

Answer:

110 students

Step-by-step explanation:

The number of students who have only taken calculus is given by the number of students who have taken calculus minus the students who have taken both classes:

$C =100 -50\\C= 50\ students$

The number of students who have only taken discrete mathematics given by the number of students who have taken discrete mathematics minus the students who have taken both classes:

$D =110 -50\\C= 60\ students$