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scZoUnD [109]
3 years ago
12

I really need help A school band ordered hats for $2 and large T-shirts for $5. They bought 100 items in all for $380. Use a gra

ph system of equations to find out how many hats and T-shirts the band ordered. The band ordered ______ hats and ______ T-shirts.​
Mathematics
2 answers:
Ne4ueva [31]3 years ago
6 0

So, I’ll have x=number of hats and y=number of t-shirts. There were 40 hats ordered and 60 t-shirts. You can put the equation in on MathPapa to see the work, https://www.mathpapa.com/elimination-calculator/ The thing you would put in is 2x+5x=380;x+y=100

Please mark as brainliest if you can, it would be much appreciated!

Montano1993 [528]3 years ago
3 0

3.8 in all is your answert

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A new park was designed to contain two circular gardens. Garden A has a diameter of 50 m, and garden B has a diameter of 70 m. T
Nastasia [14]

Answer:

5,811.95\  m^2 of fabric.

Step-by-step explanation:

-The amount of fabric needed is equivalent to the  area of the two gardens.

-We calculate the combined areas as:

A=A_s+A_b\\\\=\pi r^2+\pi R^2\\\\=\pi(25^2+35^2)\\\\=1850\pi \ m^2\\\\=5811.95\ m^2

Hence, 5811.95 sq meters of fabric will be needed to cover the area of both gardens.

5 0
3 years ago
HELP PLEASE I NEED HELp
lidiya [134]

Answer:

Step-by-step explanation:

GH bisects ∠FGI

∠HGI = ∠HGF

4x - 14 = 3x - 3

4x = 3x - 3 + 14    {Add 14 to both sides}

4x = 3x + 11             {Subtract 3x from both sides}

4x - 3x = 11

x = 11

∠HGI = 4x - 14

         = 4*11 - 14

         = 44 - 14

         = 30°

∠FGI = 30 + 30

        = 60°

4 0
2 years ago
If the original function () = 22 − 1 is shifted to the left 3 units to make the
Rom4ik [11]

A horizontal translation is expressed by transforming

f(x)\mapsto f(x+k)

If k is positive, the function is translated to the left. If k is negative, the function is translated to the right.

So, a 3-units left shift is given by k=3. So you have

f(x)=2x^2-1 \implies f(x+3)=2(x+3)^2-1

4 0
3 years ago
What f(5) if f(x) = -2x +1
Effectus [21]
F(5) is like X is 5
you just do this 
f(5)=-2x+1
     =-2(5)+1
     =-10+1
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:D
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3 years ago
I NEED HELP QUICK !!
klemol [59]
This diagram show the sound wave have a high pitch

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