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2 years ago

Use a factor tree to find the prime factorization of each number

Mathematics

1 answer:

andre [41]2 years ago

7 0

Let's say you had the number 70.

/ \

10 7

/ \

5 2

Answer: 7,5,2 are your prime numbers

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Find the area of a sector with a central angle of 170° and a radius of 17 millimeters. Round to the nearest tenth. Question 9 op

Marat540 [252]

Answer:

428.7 mm²

Step-by-step explanation:

The area (A) of the sector is calculated as

A = area of circle × fraction of circle

= πr² × $\frac{170}{360}$

= π × 17² × $\frac{17}{36}$

= 289π × $\frac{17}{36}$

= $\frac{289(17)\pi }{36}$ ≈ 428.7 mm²

5 0

2 years ago

Read 2 more answers

I need help with this please

Ksenya-84 [330]

I’m not sure bc i did this years ago but u might want to go to ur teacher for some help

4 0

2 years ago

Renee is simplifying the expression (7) (StartFraction 13 over 29 EndFraction) (StartFraction 1 over 7 EndFraction). She recogni

dsp73

Answer:

The correct option is commutative property.

Step-by-step explanation:

The expression that Renee is simplifying is:

$(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})$

It is provided that, Renee recognizes that 7 and $\frac{1}{7}$ are reciprocals, so she would like to find their product before she multiplies by $\frac{13}{29}$ .

The associative property of multiplication states that:

$a\times b\times c=(a\times b)\times c=a\times (b\times c)$

The commutative property of multiplication states that:

$a\times b\times c=a\times c\times b=c\times a\times b$

The distributive property of multiplication states that:

$a\cdot (b+c)=a\cdot b+a\cdot c$

The identity property of multiplication states that:

$a\times 1=a\\b\times 1=b$

So, Renee should use the commutative property of multiplication to find the product of 7 and $\frac{1}{7}$ ,

$(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})=(7\times\frac{1}{7})\times\frac{13}{29}=\frac{13}{29}$

Thus, the correct option is commutative property.

5 0

3 years ago

Read 2 more answers

Enter the solutions from least to greatest.<br> (2x+4)(3x-2)=0

MArishka [77]

Answer:

From least to greatest: -2, 2/3

Step-by-step explanation:

Set each factor equal to 0 and solve

2x + 4 =0

2x = -4

x = -2

3x - 2 = 0

3x = 2

x = 2/3

4 0

2 years ago

Solve this please<br><img src="https://tex.z-dn.net/?f=%20%20logx%20%2B%20%20log%20%5Cfrac%7Bx%20-%202%7D%7B21%7D%20%3D%203%20lo

VLD [36.1K]

Answer:

x = 14 or —12

Step-by-step explanation:please see attachment for explanation

5 0

3 years ago