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vekshin1
3 years ago
8

Kim's softball team was playing in the championship game. When there were

Mathematics
1 answer:
Alina [70]3 years ago
4 0

Answer:

The inequality is

6+4r>17

The miminum number of runs per inning is  

3.

Step-by-step explanation:

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A musical instrument has a pitch of 220 hertz when the wavelength is 3 feet. When the wavelength is 4 feet, the pitch is 165 her
earnstyle [38]
We know that
Inverse Variation is a<span> relationship between two variables in which the product is a constant
so
let
x------> a pitch of a musical instrument
y------> </span><span>the wavelength
x*y=k

find the value of k

for x=</span><span>220 hertz   y=3 ft
</span><span>x*y=k
220*3=k
k=660

</span>for x=165 hertz   y=4 ft
x*y=k
165*4=660
k=660<span>

the answer part a) is
</span><span>the type of variation between pitch and wavelength is an inverse variation
</span>
part b) <span>What is the pitch when the wavelength is 5 feet?
x=?
y=5 ft
k=660
x*y=k------> solve for x
x=k/y----------> x=660/5-----> x=132 hertz

the answer Part b) is
132 hertz</span>
4 0
3 years ago
You open a drink stand where you sell coffee and hot chocolate. You sell coffee for $1.80 and hot chocolate for $3.15. At the en
Usimov [2.4K]

Answer:

c = 69 and h = 51

Step-by-step explanation:

You will need two different equations here

use variable c as coffee and variable h as hot chocolate

c + h = 120

1.80c + 3.15h = 284.40

By moving variables, you can alter the first equation

h = 120 - c

Now insert this into the second equation

1.80c + 3.15(120 - c) = 284.40

Multiply

1.80c + 378 - 3.15c = 284.40

Subtract the c

-1.35c + 378 = 284.40

Subtract 378 from both sides

-1.35c = -93.6

Divide both sides by -1.35

c = 69

Then plug into the first equation

69 + h = 120

Subtract 69

h = 51

7 0
3 years ago
Given: Parallelogram ABCD,
andreyandreev [35.5K]

Answer:

a. m DCB =<DAB=120 opposite angle of the parallelogram are equal

again

BP=PD diagonal bisect it

3x+7=-x+17

3x+x=17-7

4x=10

x=10/4=5/2

b. BD =3x+7-x+17=3×5/2+7-5/2+17=2×5/2+24=5+24=29

4 0
2 years ago
Evaluate the function with the given value.​
Vadim26 [7]

h= 0

Substitute 3 in the equation

h = {2(3) + 1 }/3-3

h = 7/0

h = 0

Therefore h is 0

7 0
1 year ago
Help help help help me please
BartSMP [9]
186-42 = 144
Original price is 288 (5th option)
Equation is 0.5x + 42 = 186 (last option)


Please give brainliest I’d really appreciate it.
4 0
2 years ago
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