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NARA [144]
3 years ago
13

What is the principal square root of 16? A -4 B 4 С 1/4 D -1/4

Mathematics
2 answers:
NISA [10]3 years ago
8 0

Answer:

4

Step-by-step explanation:

The principal square root is the positive square root

sqrt(16) = ±4

taking the positive square root

4

Troyanec [42]3 years ago
8 0

Answer:

B

Step-by-step explanation

This is because the 'principal square root' means the positive square root of a certain number, and so √16 = 4 × 4, making 4 the answer. This has a certain term for it as √16 could equal -4 also (-4 × -4 = 16).

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Carrie made 127 brownies and packed 13 in each box. How many boxes are packed and how many brownies are left over?
algol [13]

Answer:

9 boxes are packed and 10 brownies are left over.

Step-by-step explanation:

Carrie made 127 brownies and packed 13 in each box.

The number of boxes packed are , 127/13= 9 10/13

Which means that 9 boxes were packed and 10 brownies were left over.

3 0
3 years ago
Read 2 more answers
Find the values of x and y that makes each equation true. –(5y)i+12=4x+25i
vovikov84 [41]

Equate real part and imaginary part:

LHS:

real part -- 12

imaginary part -- 5y

RHS:

real part = 4x

imaginary part = 25

Equating::

12 = 4x

x = 12/4

x = 3

Again:

5y = 25

y = 25/5

y = 5

So,

x = 3

y = 5

5 0
1 year ago
PLEASE ANSWER! I NEED THE ANSWER IN THE NEXT HOUR! The table shows the number of teams remaining in each round of a tournament.
BaLLatris [955]

Answer:

No

Step-by-step explanation:

The equation would be 32 times (1/2)^x.

Linear equations won't have exponents, because this is an exponential equation.

5 0
2 years ago
2627 divided by 22 withR
MrMuchimi

Answer:

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Step-by-step explanation:

4 0
1 year ago
Solve for x: 6/x = 4/8
Nuetrik [128]

Answer: x = 12

Step-by-step explanation:

\frac{6}{x} = \frac{4}{8}

cross multiply

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4x = 48

divide through by 4

x = 12

7 0
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