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pantera1 [17]
3 years ago
5

Can someone please help me with this question

Mathematics
1 answer:
Rudiy273 years ago
5 0

Answer:

volume= 186ft

Step-by-step explanation:

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Look at this triangle<br>B<br>11 cm<br>4 cm<br>A4<br>C<br>Work out length AC.pythagoras<br><br>​
german

Answer:

11.7 cm

Step-by-step explanation:

Using Pythagoras Theorem

AC² = AB² + BC²

AB = 4 cm

BC = 11 cm

AC² = 4² + 11²

AC = √4² + 11²

AC =✓137

AC = 11.704699911 cm

Approximately = 11.7 cm

Length AC = 11.7cm

6 0
3 years ago
A 9' x 9' square has a corner removed that measures 2 feet by 2 feet. What is the new area of the larger shape in feet?
sveta [45]
9*9=81
2*2=4
81-4=77
77 square feet.

Hope this helps :)
5 0
3 years ago
Read 2 more answers
R
wolverine [178]

Answer:

Ivy is 6 years old and Rose is 12 years old.

Step-by-step explanation:

To solve this problem, two variables are necessary since we have two unknown variables: Ivy's age and Rose's age.

Ivy's age will be x

and Rose's age will be y

"Ivy is half as old as her sister":

x=\frac{y}{2}

this will be our <u>fist equation.</u>

"In six years, Ivy will be two-thirds as old as Rose"

in six years Ivy will have x+6 years, and Rose will have y +6 years, so for this sentence we have the equation:

x+6=\frac{2}{3}(y+6)

this will be our <u>second equation.</u>

Substituting the value of x from the first equation into the second, and solving for y(Rose):

\frac{y}{2}+6=\frac{2}{3} (y+6)\\\frac{y+12}{2} =\frac{2}{3} (y+6)\\y+12=\frac{4}{3} (y+6)\\3(y+12)=4(y+6)\\3y+36=4y+24\\36-24=4y-3y\\12=y

Rose is 12 years old.

and Ivy (using the fist equation):

x=\frac{12}{2}=6

Ivy is 6 years old.

6 0
4 years ago
Find the value of 9!/ (9-2)!
dem82 [27]

Answer:

<h2>72</h2>

Step-by-step explanation:

n!=1\cdot2\cdot3\cdot...\cdot n\\\\\dfrac{9!}{(9-2)!}=\dfrac{9!}{7!}=\dfrac{7!\cdot8\cdot9}{7!}\qquad\text{cancel}\ 7!\\\\=8\cdot9=72

5 0
3 years ago
What is the least common denominator between 5/6, 2/9 1/12, 3/8 5/9, 2/15
mrs_skeptik [129]
<u>LCD is least common denominator, also called least common multiple LCM</u>
5/6, 2/9   LCD is 18
1/12, 3/8 LCD is 24
5/9, 2/15 LCD is 45

18, 24, and 45 are the least common multiples of the denominators for their own pair. 
:)
4 0
4 years ago
Read 2 more answers
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