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Nat2105 [25]
3 years ago
5

Write an equation to represent the following equation:

Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0

"60 is..." can be translated with 60=\ldots

"5 times as great as k [/tex] means 5k

So, the equation is

60=5k

To solve for k, divide both sides by 5:

\dfrac{60}{5} = \dfrac{5k}{5}

Which leads to

k=12

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Using the GCF factor the given expression: 21xy + 14y
MArishka [77]

Answer:

7y(3x+2)

you take out the 7y from both sides

3 0
3 years ago
12 is _% of 40<br> (blank)<br> A.52%<br> B.48%<br> C.30%<br> D.28%
ipn [44]

Answer:

c 30

Step-by-step explanation:

because 30*40/100=12

3 0
3 years ago
Read 2 more answers
In a classroom of 33 students, the ratio of boys to girls is 3:8. How many boys are in the class?
Hunter-Best [27]
X=number of boys
y=number of girls.

We can suggest the following system of equations:
x+y=33
x/y=3/8

We solve this system of equations by substitution method.
x/y=3/8       ⇒x=3y/8

(3y/8)+y=33
least common multiple=8
3y+8y=33*8
11y=33*8
y=(33*8)/11
y=3*8
y=24

x+y=33
x+24=33
x=33-24
x=9

number of boys /total number of students=9/33=3/11

There are 9 boys and 24 girls in the class. 

Answer: C: 9. since 3/11 of the students are boys. 

3 0
3 years ago
Read 2 more answers
Find the volume of a cylinder whose height is 7 cm and radius is 10 cm​
Karolina [17]

Question

find the volume of a cylinder whose height is 7 cm and radius is 10 cm​Answer:soln

volume of cylinder= pie r ^h where pie = 22/7

height=7 cm

radius=10 cm

now,

volume of cylinder= 22/7*10*10*7cm

V≈2199.11cm³

3 0
3 years ago
Hellp! me thanks alot explain if u can
Musya8 [376]

Answer:

15 sides

Step-by-step explanation:

360/24 =15

Hope this helps!

3 0
2 years ago
Read 2 more answers
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