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3 years ago

PLS ANSWER PLS DUE TODAY

Mathematics

1 answer:

Marizza181 [45]3 years ago

4 0

Answer:

radius of semi circle is 16mm.

diameter of semi circle is 32mm.

perimeter of triangle=sum of all sides.

perimeter of triangle = 20mm+20mm+32mm

perimeter of triangle =72mm

perimeter of semi circle=pi×r

perimeter of semicircle = 3.14×16mm

perimeter of semicircle =50.24mm

perimeter of the figure= 72mm+50.24mm=122.24mm

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14. Michelle simplified an expression for the perimeter of the rectangle below and got X + 35.

Zigmanuir [339]

Answer:

The correct expression for the perimeter is $P=(\frac{5}{3}x+70)\ units$

see the explanation

Step-by-step explanation:

The complete question in the attached figure

Let

L ----> the length of rectangle

W ---> the width of rectangle

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

In this problem we have

$L=(\frac{5}{6}x+23)\ units$

$W=12\ units$

substitute the values

$P=2(\frac{5}{6}x+23+12)$

$P=2(\frac{5}{6}x+35)$

$P=(\frac{10}{6}x+70)\ units$

Simplify

$P=(\frac{5}{3}x+70)\ units$

Michelle didn't multiply the sum of length and width by 2

6 0

3 years ago

How do i do KCF ? for 6th grade ;~;

Virty [35]

KCF

Keep

Change

Flip

lets say we are dividing 1/2 and 1/4. you would keep 1/2 the same, change the division sign to a multipluction, and flip 1/4 so that it becomes 4/1. you would then just multiply 1/2 and 4/1

4 0

3 years ago

I am thinking of n consecutive positive integers, the smallest of which is m. What formula represents the largest of these integ

weqwewe [10]

Answer:

$m+n-1$

Step-by-step explanation:

I am thinking of n consecutive positive integers. The smallest of these numbers is m.

So,

$a_1=m$ - the first number,
$a_2=m+1$ - the second number,
$a_3=m+2$ - the third number,
...
$a_n=m+(n-1)=m+n-1$ - the nth number.

The list of n consecutive positive integers is

$m, \ m+1,\ m+2,\ m+3, \ ... ,\ m+n-1$

The largest integer is $m+n-1$

3 0

3 years ago

Read 2 more answers

I need help with this question please

Marina86 [1]

Answer:

Step-by-step explanation:

√14 cannot be rewritten as the ratio of two integers and thus is irrational.

Similarly, √99 is irrational; √99 = √9√11 is irrational even though √9 is not.

3 0

3 years ago

Tim runs 3 miles every 45 minutes. At this rate, how long did it take Tim to run 18 miles?

geniusboy [140]

Answer: 270 minutes or 4 hours and 30 minutes

Step-by-step explanation: 3x6 =18 and 45 x 6= 270

7 0

3 years ago