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Bezzdna [24]
4 years ago
9

There are 24 students in Mrs. Stephens class. They are splitting the class up in 4 groups. There are 14 boys and 10 girls. How m

any boys and girls will be in each group?
Mathematics
1 answer:
garri49 [273]4 years ago
8 0
5 groups will have 2 g and 2 b and one will be a all boys group
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What is an equation of the line perpendicular to y=-x-2 and through (-2, 4)?
Salsk061 [2.6K]

Answer: y = x + 6

Step-by-step explanation:

\mathrm{Find\:the\:line\:}\mathbf{y=mx+b}\mathrm{\:perpendicular\:to\:}y=-x-2\mathrm{\:that\:passes\:through\:}\left(-2,\:4\right)

\mathrm{For\:a\:line\:equation\:for\:the\:form\:of\:}\mathbf{y=mx+b}\mathrm{,\:the\:slope\:is\:}\mathbf{m}

m=-1

\mathrm{The\:perpendicular\:slope\:is\:the\:negative\:reciprocal\:of\:the\:given\:slope}

\left(-1\right)m_p=-1

\frac{\left(-1\right)m_p}{-1}=\frac{-1}{-1}

m_p=1

\mathrm{Compute\:the\:line\:equation\:}\mathbf{y=mx+b}\mathrm{\:for\:slope\:m=}1\mathrm{\:and\:passing\:through\:}\left(-2,\:4\right)\mathrm{Plug\:the\:slope\:}1\mathrm{\:into\:}y=mx+b

y=x+b

\mathrm{Plug\:in\:}\left(-2,\:4\right)\mathrm{:\:}\quad \:x=-2,\:y=4

4=\left(-2\right)+b

-2+b=4

\mathrm{Add\:}2\mathrm{\:to\:both\:sides}

-2+b+2=4+2

\text{Simplify}

b=6

\mathrm{Construct\:the\:line\:equation\:}\mathbf{y=mx+b}\mathrm{\:where\:}\mathbf{m}=1\mathrm{\:and\:}\mathbf{b}=6

y=x+6

3 0
3 years ago
What goes in the missing spaces? Help me plz
klio [65]

Answer:

6 | 3

30 | 15

40 | 20

56 | 28

Step-by-step explanation:

You need to find out how many spring rolls will feed a single person

\frac{6}{3}=2

then use this to multiply by two if you want number of rolls, or divide by two if you want to get number of people that can be fed.

3 0
4 years ago
Kai spent 90% of his money on a laptop that cost $423. Does he have enough money left to buy a scanner.explain
GarryVolchara [31]
Okay, so:

You would want to find what 1/10 of the laptop costs. That would be the 10% of money left in Kai's account.

So,

423*.1

(you have to turn the percentage into a decimal; 10%= .10


423*.1= 42.3

So, Kai has 42.3 dollars left to buy a scanner. He only has 10% of his bank account left to spend on the scanner.

I hope this helps!
~cupcake
7 0
4 years ago
Rianda bought 32 apples. She set aside 25% to eat and divided the rest equally among 6 pies. How many apples are in each pie?
Ostrovityanka [42]
Firstly, you have to calculate the 25 percent of the 32 apples which is 32 x 0.25 = 8. So the leftover apples would be 32 - 8 = 24. Since she divided the rest equally among 6 pies, you have to divide 24 by 6, which is 4.
Therefore there are 4 apples in each pie.
5 0
4 years ago
Read 2 more answers
Error Analysis: A student writes the difference between 15 and the product of 5 and y to describe the expression 5y - 15. Explai
ASHA 777 [7]

The error is that first we have to do product of 5 and 15 and it would be 75 and when y will come and it would be 75y.

5 0
3 years ago
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