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GrogVix [38]
3 years ago
5

This morning , Scarlett had $400 in her wallet. Then she spent $400 on a picnic table. How much money is in scarletts wallet now

?
Mathematics
2 answers:
Goryan [66]3 years ago
6 0

Answer:

0

Step-by-step explanation:

400-400

s2008m [1.1K]3 years ago
3 0

Answer:

Scarlett has $0 now

Step-by-step explanation:

If she HAD $400, and then spent $400, she has $0

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Andre notices that he is a little taller than Lin but is shorter than their math teacher, who is 164 centimeters tall. Write two
Ugo [173]

Answer:

Andre's height:  y < x < 164

Step-by-step explanation:

We will first of all convert each of the statements to mathematical inequalities, before we combine them.

Let Andre's height be = x

Lin's height be = y

The maths teacher's height = 164

Andre is a little taller than Lin:

x > y

Andre is shorter than their maths teacher, who is 164 centimetres

x<164

Combining the two inequalities, we have Andre's height as

y < x < 164

This means that Lin is shorter than Andre who is in turn shorter than the Maths Teacher.

3 0
3 years ago
You are running a fuel economy study. One of the cars you find is blue. It can travel 38 1/2 miles on 1 1/4 gallons of gasoline.
harkovskaia [24]
Answer:

30.8 miles per gallon

Explanation:

1.25 = 38.5

Divide both sides by 1.25

1 = 30.8
3 0
2 years ago
Someone please help me find y.
WITCHER [35]
Here's y

y=<span>‌<span><span><span>−<span>8x</span></span>+29
       </span><span><span>−x</span>+<span>3

Hope this helps:)
</span></span></span></span>
7 0
3 years ago
PLEASE HELP!!! I don't understand it
Len [333]

Answer:

A

Step-by-step explanation:

This is exponential decay; the height of the ball is decreasing exponentially with each successive drop.  It's not going down at a steady rate.  If it was, this would be linear.  But gravity doesn't work on things that way.  If the ball was thrown up into the air, it would be parabolic; if the ball is dropped, the bounces are exponentially dropping in height.  The form of this equation is

y=a(b)^x, or in our case:

A(n)=a(b)^{n-1}, where

a is the initial height of the ball and

b is the decimal amount the bounce decreases each time.  For us:

a = 1.5 and

b = .74

Filling in,

A(n)=1.5(.74)^{n-1}

If ww want the height of the 6th bounce, n = 6.  Filling that into the equation we already wrote for our model:

A(6)=1.5(.74)^{6-1} which of course simplifies to

A(6)=1.5(.74)^5 which simplifies to

A(6)=1.5(.22190066)

So the height of the ball is that product.

A(6) = .33 cm

A is your answer

3 0
3 years ago
The ratio of country albums to jazz albums in a music collection is 2:3. If the music collection has 45 albums,
DedPeter [7]

Answer:

18 albums

Step-by-step explanation:

2x+3x=45

5x=45

x=9

country=2(9) = 18 album

4 0
3 years ago
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