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Aleks [24]
3 years ago
7

What is the scientific notation for 3800

Mathematics
1 answer:
BigorU [14]3 years ago
8 0

3.8 x 10²

im pretty sure thats scientific notation

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3. Mrs. Smith's class took a survey and found that 9 of 13 students prefer two scoops of ice cream versus one scoop of ice cream
Murljashka [212]
9/13=x/104
9•104=13x
936=13x
X=72
3 0
2 years ago
One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o
docker41 [41]

18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

<em><u>Solution:</u></em>

Given that,

<em><u>A swimming pool is in the shape of a rectangular prism</u></em>

Length = 20 feet

Width = 10 feet

Height = 5 feet

<em><u>Find the surface area of prism</u></em>

A=2(wl+hl+hw)

Where, "l" is the length and "w" is the width and "h" is the height

A = 2(10 \times 20 + 5 \times 20 + 5 \times 10)\\\\A = 2(200+100+50)\\\\A = 2 \times 350\\\\A = 700

Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

For two coats of paint we need = 9.33 + 9.33 = 18.66 quarts of paint

4 0
3 years ago
What's $33.99 rounded to the nearest $1, $5 and $10
Leno4ka [110]

Answer:

To the nearest dollar: 34$

To the nearest 5 dollars: 35$

To the nearest 10 dollars: 30$

Hope this helps

xqcL

4 0
3 years ago
X+2y=6 <br> SHOW ALL OF YOUR WORK!
Alika [10]

Answer:

x+2y=6

Subtract 2y from both sides.

x=6−2y

Step-by-step explanation:

x=6-2y

3 0
2 years ago
Read 2 more answers
Look at the picture and thanks
disa [49]

Answer:

E

Step-by-step explanation:

Sjsjdjddjdjdjjddjdjdjdjdjdndnsnsnsbs answer is E

6 0
2 years ago
Read 2 more answers
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