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mash [69]
3 years ago
5

The height of this iron rod is estimated to be 100 centimeters. What is the possible error of measurement?

Mathematics
1 answer:
il63 [147K]3 years ago
7 0
Not sure bout this one look it up on google
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Super fast taxi charges $5.00 a ride and $1.50 a mile. if demario paid $27.50 for his ride. how many miles did he travel?
Y_Kistochka [10]
(27.50 - 5.00) / 1.5 = 15 miles
8 0
2 years ago
0.5 (2x + 2) = -4<br><br> Solve for x.
Ivanshal [37]

0.5(2x+2)=-4

Multiply by 2 on both sides

2x+2=-8

Subtract 2 on both sides

2x=-10

Divide by 2 on both sides

x=-5

3 0
2 years ago
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An equilateral triangle can have angles that each measure 68° true or false
grandymaker [24]
FALSE! Any 3 angles of any triangle add up to 180 degrees. An equilateral triangle's angles should each be 60 degrees.
3 0
2 years ago
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Solve the system by substitution.
Butoxors [25]

<u>Answer:</u>

The solution set of given equations -x-y-z = -8 and - 4x + 4y + 5z = 7 and 2x + 2z = 4  is (3, 6, -1)

<u>Solution:</u>

Given, set linear equations are

-x – y – z = -8 ⇒ x + y + z = 8 → (1)

-4x + 4y + 5z = 7 ⇒ 4x – 4y – 5z = -7 → (2)

2x + 2z = 4 ⇒ x + z = 2 → (3)

We have to solve the above given equations using substitution method.

Now take (3), x + z = 2 ⇒ x = 2 – z  

So substitute x value in (1)  

(1) ⇒ (2 – z) + y + z = 8 ⇒ 2 + y + z – z = 8 ⇒ y + 0 = 8 – 2 ⇒ y = 6.

Now substitute x and y values in (2)

(2) ⇒ 4(2 – z) – 4(6) – 5z = - 7 ⇒ 8 – 4z – 24 – 5z = -7 ⇒ -9z – 16 = -7 ⇒ 9z = 7 – 16 ⇒ 9z = -9 ⇒ z = -1

Now substitute z value in (3)

(3) ⇒ x – 1 = 2 ⇒ x = 2 + 1 ⇒ x = 3

Hence, the solution set of given equations is (3, 6, -1).

4 0
3 years ago
Find the volume of the figure.<br> 8 cm<br> 4 cm<br> 10 cm<br> 14 cm
Lemur [1.5K]

Answer: 440 cm^3

Step-by-step explanati

5 0
3 years ago
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