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2 years ago

What was her score on this exam, rounded to the nearest integer

Mathematics

1 answer:

beks73 [17]2 years ago

8 0

Answer:

Where is the number I need to round to?

(Please don't give me a bad rating i'm trying to help :) )

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A scientist measured the width of a square flake of gold to be7.3 x 10 -4mm what is the area of the flake

irakobra [83]

The area of square flake of gold is $53.29 \times 10^{-8} \mathrm{mm}$

<h3><u>Solution:</u></h3>

Given that width of square flake of gold is $7.3 \times 10^{-4}$ millimeter

To find : Area of square flake

Since gold flake is in shape of square, we can use area of square formula

<em><u>The formula for area of square is given as:</u></em>

$area = s^2$

where "s" is the length of one side

$\begin{array}{l}{\text { Area of a square flake }=\left(7.3 \times 10^{-4}\right) \times\left(7.3 \times 10^{-4}\right)} \\\\ {\text { Area of a square flake }=53.29 \times 10^{8}}\end{array}$

Hence , the calculated area of flake is $53.29 \times 10^{-8} \mathrm{mm}$

7 0

2 years ago

Solve.

USPshnik [31]

take the breadth as x and accordingly length as (x+18)

the formula for finding the perimeter of a rectangle is 2(l+b) now put the correct values as shown in the picture and form an equation this way you will be able to find x which is the breadth and length Is 18 morethan breadth ,now as u have found both length and breadth go ahead and find the area whose formula is length×breadth

HOPE IT HELPS

6 0

2 years ago

A restaurant makes vegetable soup using 22 cups of mixed vegetables and 15 cups of stock. Henri tries to make this at home with

Novay_Z [31]

Answer:

Step-by-step explanation:

In this case, restaurant gives the ratio of mixed vegetable and stock is 22:15

But he used 5:10 or 1:2 ratio.

5 0

3 years ago

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Anya drove 2 hours to get to the train

kati45 [8]

She would travel 1,234 miles. 2x14=110 80x55=1120+110= 1234 miles

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2 years ago

Lucy earns 52 dollars each week working part-time at a bookstore. She earns one additional dollar for each book that she sells.

Misha Larkins [42]

Answer:

A = B + 52

Step-by-step explanation:

A is the total amount each week. 52 is the initial amount that she earns each week. Then, B represents the amount of books she sells. So, 15 books can be represented by

A = 15 + 52 = 67

5 0

2 years ago

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