3 years ago

42 is how many groups of 7?

Mathematics

2 answers:

erica [24]3 years ago

4 0

You divide 42 by 7 which equals 6

OLga [1]3 years ago

3 0

42 Is 6 Groups Of Seven.

6 Is The Correct Answer.

:)

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What is 3a+6b= 4 for b Really need help

saw5 [17]

3a+6b=4

-3a both sides

6b=4-3a

÷6 both sides

b=2/3 -1/2 a

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3 years ago

the base of a right prism is an equilateral triangle each of whose sides measures 4cm.the altitude of the prism measures 5cm.Fin

o-na [289]

Answer:

$V=34.64\ cm^3$

Step-by-step explanation:

Given that,

The side of an equilateral prism = 4 cm

The altitude of the prism = 5 cm

We need to find the volume of the prism. The formula for the volume of a prism is as follows :

$V=A\times h$

Where

A is the area of equilateral triangle, $A=\dfrac{\sqrt3}{4}a^2$

So,

$V=\dfrac{\sqrt3}{4}a^2\times h\\\\V=\dfrac{\sqrt3}{4}\times 4^2\times 5\\\\V=34.64\ cm^3$

So, the volume of the prism is equal to $34.64\ cm^3$ .

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3 years ago

Brittany wants to make cookies for the whole fourth grade.One batch of dough makes 2 dozen cookies.There are 68 fourth graders a

zhannawk [14.2K]

Yea because 12+12 is only 24 so she will need a lot more. Cookie dough

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3 years ago

What is 20% of 40%? Choices: 50% 75% 100% 200% Which is it?

ki77a [65]

I think it's 8%

Step-by-step explanation:

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3 years ago

Read 2 more answers

14:6=28:18 42:7=6:2 2:3=3:2 3:5=12:20

SIZIF [17.4K]

Answer is 3:5=12:20

3x4 = 12
5x4 = 20

so
3:5=12:20

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4 years ago