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kaheart [24]
2 years ago
11

7. Your closet has 10 shirts for every 4 sweaters. Your closet has 40 shirts. How many sweaters are

Mathematics
2 answers:
Alja [10]2 years ago
8 0

Answer:

16 sweaters are in your closet

Leviafan [203]2 years ago
7 0

Answer:

16 sweaters

Step-by-step explanation:

4=10

4=10

4=10

4=10

4x4=16

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In a family, each brother has as many sisters as brothers, but each sister has twice as many brothers as she has sisters. How ma
daser333 [38]

Answer:

4 brothers and 3 sisters

Step-by-step explanation:

Let x be the number of brothers and y be the number of sisters in the family.

1.  Each brother has x-1 brothers and y sisters. If each brother has as many sisters as brothers, then

x-1=y.

2. Each sister has y-1 sisters and x brothers. If each sister has twice as many brothers as she has sisters, then

2(y-1)=x.

3. Solve the system of two equations:

\left\{\begin{array}{l}x-1=y\\ \\2(y-1)=x\end{array}\right.\Rightarrow 2(y-1)-1=y,\\ \\2y-2-1=y,\\ \\2y-y=2+1,\\ \\y=3.

Then

x=y+1=3+1=4.

4 0
3 years ago
I need help with this no link pls
Naddika [18.5K]

Answer:

1. x = 36 equation is x + 2x + 9 = 117, then solve for x

2. x = 50 equation is x + x + 12 = 112, then solve for x

Step-by-step explanation:

4 0
2 years ago
Im taking a big state wide test for my high school math class wish me luck :)
polet [3.4K]
You got this!!!! just don’t rush, if you really don’t know the answer, just chose letter C hahah :)
5 0
2 years ago
Hey can you keep me please I need this ASAP
natka813 [3]

Hey!

---------------------------------------------------------------------------

Question #1:

Least to greatest: 1.6 x 10^-2, 16%, 0.2, 3/5, 6^-1, √6

---------------------------------------------------------------------------

Question #2:

Greatest to least: 5^7, 9^5, 5.9 x 10^4, 15^4, 7.8 x 10^3

---------------------------------------------------------------------------

Hope This Helps :)

7 0
3 years ago
X2+y2=r2 Solve for y
Kaylis [27]

Answer: y=\sqrt{r^{2} -x^{2} }

Step-by-step explanation:

x^2+y^2=r^2 --> subtract x^2 to other side

y^2=r^2-x^2 --> square root both sides

y=sqrt(r^2-x^2)

3 0
2 years ago
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