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timurjin [86]
3 years ago
11

23 times 67 estimated

Mathematics
1 answer:
Llana [10]3 years ago
8 0
Estimate : 23 × 67

20 (lower down, lower than 5...the last digit) × 70 (Higher, higher than 5)

=20×70
=1400

The estimated value will be 1400
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A farm has only chickens and pigs , Jason counted 140 legs in total and 440 legs. How many chickens are there
Keith_Richards [23]

Answer:

  60 chickens

Step-by-step explanation:

We assume the 140 refers to the number animals (heads, noses, bodies, whatever). If all of those were chickens, there would be 280 legs. There are 160 legs more than that.

Since each pig that replaces a chicken adds 2 legs, there must be 160/2 = 80 pigs. That leaves 140 -80 = 60 chickens.

5 0
3 years ago
14+16+49+10<br><br>Hint: Add what will get a tens number first!
Leviafan [203]
<span>89 is the correct answer.

</span>
8 0
3 years ago
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Type the missing number in this sequence: 1, 2, 4, 8,​
Phoenix [80]

<u>Answer:</u>

16

<u>Explanation:</u>

what comes next is 16

for the function: y=2^x

6 0
2 years ago
B) Express 0.6363......as a rational number in its lowest term. ​
bulgar [2K]

Answer:

\frac{7}{11}

Step-by-step explanation:

We require 2 equations with the repeating digits (63) placed after the decimal point.

let x = 0.636363..... (1) multiply both sides by 100

100x = 63.6363... (2)

Subtract (1) from (2) thus eliminating the repeating digits

99x = 63 ( divide both sides by 99 )

x = \frac{63}{99} = \frac{7}{11} ← in simplest form

8 0
2 years ago
Need help on question please!!
Zepler [3.9K]

you'd use the pythagorean theorem.

a^2+b^2=c^2

a is the first leg, b is the second leg, and c is the third leg.

10^2+13^2=c^2

100+169=c^2

269=c^2

take the square root of both sides

16.4=c

16.4cm is your answer!

3 0
3 years ago
Read 2 more answers
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