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2 years ago

What is the gcf of 45 and 60

Mathematics

2 answers:

neonofarm [45]2 years ago

7 0

Your greatest common factor will be 15.

kotykmax [81]2 years ago

5 0

GCF of 45: 1, 3, 5, 9, 15, 45
GCF of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
15 is the greatest number that can divide evenly to 45 and 60, therefore, 15 is the GCF of 45 and 60

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Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with

Katen [24]

Answer:

Elanor's standardized score is 1.19
Gerald's standardized score is 0.72
Elanor has higher score

Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z= $\frac{X-M}{s}$ where

X is the student's score

M is the mean score of the exam

s is the standard deviation of the exam

Elanor's standardized score is:

z(e) = $\frac{680-554}{106}$ ≈ 1.19

Gerald's standardized score is:

z(g)= $\frac{27-24.7}{3.2}$ ≈ 0.72

Since z(e) > z(g), Elanor has higher score

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2 years ago

What is -8 square root of 9 when simplified

gregori [183]

Answer:

$\large\boxed{-8\sqrt9=-24}$

Step-by-step explanation:

$\sqrt{a}=b\iff b^2=a\\\\\sqrt9=3\ \text{because}\ 3^2=9\\\\-8\sqrt9=-8(3)=-24$

7 0

2 years ago

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klio [65]

4th one. its simple math bro

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2 years ago

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4 = 1 - n + 4? Geometry btw

eimsori [14]

Answer:

N = -7

Step-by-step explanation:

4 = 1 - n -4

Subtract the numbers first

1 - 4 = -3

Then rearrange the terms

4 = -3 - n

-----> 4 = n - -3

The you add 3 to both sides of the equations

4 + 3 = -n - 3 + 3

3 0

2 years ago

PLease Help! I'm hopeless at math.

Furkat [3]

Answer:

It's B, I'm only trying my best since there is no picture.

Step-by-step explanation:

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2 years ago

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