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-BARSIC- [3]
2 years ago
13

Isme estimated that there are 50 students in the seventh-grade class. There are actually 40 students in the seventh-grade class.

Mathematics
1 answer:
melamori03 [73]2 years ago
7 0

Answer:

A) 25%

B) fraction: ⅗

Number: 24

Step-by-step explanation:

Error: 50 - 40 = 10

%error = 10/40 × 100 = 25%

60% = 60/100 = ⅗

⅗ × 40 = 24

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What is 0.0625 as a square root
DiKsa [7]

Answer: √0.0625 if you are looking for in decimal form it’s 0.25

Step-by-step explanation:

7 0
3 years ago
1 2/7 minus what equals 6/7
Bad White [126]

Change all mixed fractions to improper fractions.

1 2/7 = 7/7 + 2/7 = 9/7.

Subtract

9/7 - 6/7 = 3/7

3/7 is your answer

Hope this helps

5 0
3 years ago
Find the hcf of 15a²b² and -24ab | plzzz solve
tino4ka555 [31]

Answer:

\large \boxed{\sf \ \ \ 3\cdot a \cdot b \ \ \ }

Step-by-step explanation:

Hello,

First of all, let's find the factors of these two numbers and I will put <u>in boxes the common factors.</u>

15a^2b^2=\boxed{3}\cdot 5\cdot \boxed{a} \cdot a \cdot \boxed{b} \cdot b \\ \\ \\-24ab=(-1)\cdot 2 \cdot \boxed{3} \cdot 4 \cdot \boxed{a} \cdot \boxed{b}

The Highest Common Factor (HCF) is found by finding all common factors and selecting the largest one. So, in this case, it gives

\large \boxed{\sf \ \ \ 3\cdot a \cdot b \ \ \ }

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0
3 years ago
12 decreased by 8 times a number is 36
LekaFEV [45]
8x-12=36

Let's solve your equation step-by-step.

<span><span><span>8x</span>−12</span>=36

</span>Step 1: Add 12 to both sides.

<span><span><span><span>8x</span>−12</span>+12</span>=<span>36+12

</span></span><span><span>8x</span>=48

</span>Step 2: Divide both sides by 8.

<span><span><span>8x/</span>8</span>=<span>48/8

</span></span><span>x=6

</span>Answer: x=6
5 0
2 years ago
a distribution for the last difit of phone numbers sampled from a phone book for the phone number 968-9667 the last difit 7 woul
lisov135 [29]

Answer:

The answer is "Option D".

Step-by-step explanation:

Please find the attached file of the complete question:

In this question, the last choice "Histogram IV" is correct because it would be roughly evenly distributed.

7 0
2 years ago
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