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3 years ago

Hey can anyone please help me with these t questions asap?

Mathematics

2 answers:

Leno4ka [110]3 years ago

8 0

Answer:

21. 27 22. 6

Step-by-step explanation:

21 is 27 because 9 times a dozen (12) times equals 108. !08 splited by 4 is 27.

For 22 112-70 is 42. There are 7 seats per row so 42/7= is 6 empty rows.

rosijanka [135]3 years ago

4 0

Answer:

21) 27

22) 2 (the third one has a few people in it)

Step-by-step explanation:

9 dozen= 12 to a dozen

108

=27

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Please help I will give you brainliest!!!!

VikaD [51]

Answer:

63.25sqft

Step-by-step explanation:

semi circle:

a= $\pi$ r^2

a= $\pi$ (5)^2 (radius is 5 bc diameter is 10 so you divide it by 2)

a=25 $\pi$

a=78.5/2=39.25 (divide by 2 bc its a semi circle)

triangle:

a=1/2bh

a=1/2(6x8)

a=1/2(48)

a=24

area:

39.25+24=63.25

8 0

3 years ago

ANSWER PLEASE PLAESE

Makovka662 [10]

Answer:

Step-by-step explanation:

7*-10-5=-75

5 0

3 years ago

I dont understand this

Mkey [24]

Answer:

a²+b²=c²

14²+10²=c²

196+100=c²

296=c²

√296=√c²

√296=c

I hope this helps:

8 0

3 years ago

Read 2 more answers

Solve this quadratic equation using the quadratic formula. x^2 - 6x + 6 = 0

maks197457 [2]

$x^2-6x+6=0\\\\a=1;\ b=-6;\ c=6\\\Delta=b^2-4ac\\\\\Delta=(-6)^2-4\cdot1\cdot6=36-24=12 \ \textgreater \ 0\\\\then\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{12}=\sqrt{4\cdot3}=\sqrt4\cdot\sqrt3=2\sqrt3\\\\x_1=\dfrac{6-2\sqrt3}{2\cdot1}=\dfrac{6-2\sqrt3}{2}=\boxed{3-\sqrt3}\\\\x_2=\dfrac{6+2\sqrt3}{2\cdot1}=\dfrac{6+2\sqrt3}{2}=\boxed{3+\sqrt3}$

7 0

3 years ago

A photograph was enlarge to a width of 15 inches. If the scale factor was 3/2, what was the width of the original photograph?

kati45 [8]

(3/2)W = 15
3W = 30
W = 10 inches

5 0

3 years ago