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Natali [406]
2 years ago
6

At a bake sale, the golf team sold all 50 cupcakes for $1.50 each. They sold almost all of the 100 cookies for $1.00 each. The t

eam also received donations from 7 people averaging $4.25 per donation. Approximate the total amount of money the golf team collected from the bake sale.
Mathematics
1 answer:
Galina-37 [17]2 years ago
3 0

Answer:

around $204.75

Step-by-step explanation:

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2,852 rounded to the nearest tenths
galina1969 [7]

Answer:

assuming the comma is meant to be a decimal...

It would be 2.9

Step-by-step explanation:

the place right after the decimal is the tenth place. the 5 rounds up the 8. don't worry about the 2. so the 8 becomes a 9 and you leave off the rest because you are only worrying about the tenths place.

4 0
3 years ago
Simplify each expression. (unit 3<br><br>1. (2x + 3 2/5) + (5x - 4/5)​
AysviL [449]

Answer:

7x+28/5

Step-by-step explanation:

:)

7 0
3 years ago
Find each quotient.
Pani-rosa [81]

Answer:

123-98248294

4380583058903

3095804305394580

-0

Step-by-step explanation:

8 0
3 years ago
Suppose the half-life of a material is 10 days. You have one 1 kg of the material today. How much of the material would you have
boyakko [2]

Answer:

0.50 kg of the material would be left after 10 days.

0.25 kg of the material would be left after 20 days.

Step-by-step explanation:

We have been given that the half-life of a material is 10 days. You have one 1 kg of the material today. We are asked to find the amount of material left after  10 days and 20 days, respectively.

We will use half life formula.

A=a\cdot(\frac{1}{2})^{\frac{t}{h}}, where,

A = Amount left after t units of time,

a = Initial amount,

t = Time,

h = Half-life.

A=1\text{ kg}\cdot(\frac{1}{2})^{\frac{10}{10}}

A=1\text{ kg}\cdot(\frac{1}{2})^{1}

A=1\text{ kg}\cdot\frac{1}{2}

A=0.5\text{ kg}

Therefore, amount of the material left after 10 days would be 0.5 kg.

A=1\text{ kg}\cdot(\frac{1}{2})^{\frac{20}{10}}

A=1\text{ kg}\cdot(\frac{1}{2})^{2}

A=1\text{ kg}\cdot\frac{1^2}{2^2}

A=1\text{ kg}\cdot\frac{1}{4}

A=0.25\text{ kg}

Therefore, amount of the material left after 20 days would be 0.25 kg.

6 0
3 years ago
The point (5, -2) is rotated 90° about the origin. Its image is
tigry1 [53]
<span>rotated 90° about the origin
(x,y) = (-y, x)

so </span><span>(5, -2) is rotated 90° about the origin = (2, 5)

answer
</span><span>b.(2, 5)</span>
7 0
3 years ago
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