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Mariana [72]
2 years ago
13

E 7 cm Find the value of x to 3 significant figures. x 12 cm 8 cm

Mathematics
1 answer:
kvasek [131]2 years ago
3 0

Answer:

12.0 to 3 dig digs You must include the 0 to get 3 significant figures.

Step-by-step explanation:

Comment

This is a Pythagorean Problem. Use the formula

c ^2 = a^2 + b^2

Givens

a = 8 - 7 = 1 cm

b = 12 cm

c = ?

solution

c^2 = 1^2 + 12^2  

c^2 = 1 + 144

c^2 = 145                 Take the square root of both sides

√c^2 = √145  

c = 12.04

c = 12.0 to 3 sig digs.

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How do I solve this equation to find x and y
aleksandrvk [35]

Answer:

(x,y) = (6/5, 38)

Step-by-step explanation:

y = y right?

so, you just substitute both of those equations

26+10x = 44-5x

26 -44 = -5x -10x

x = 6/5

then substitute x into ANY of these two equations

let's say we want the second one

y = 44 - 5 × 6/5

y = 38

I'm not sure but I think that first number there might be a 20 and not a 26. If that's true then, solving the same way you'd have

(x,y) = (8/5, 36)

3 0
3 years ago
What is the ratio of 178?
prisoha [69]
The factors of <span>178178</span> are all numbers between -<span>178178</span> and <span>178178</span> that divide <span>178178</span> evenly.<span><span><span>−178</span>,<span>−89</span>,<span>−2</span>,<span>−1</span>,1,2,89,178</span><span><span>-178</span>,<span>-89</span>,<span>-2</span>,<span>-1</span>,1,2,89,178</span></span> 
3 0
3 years ago
25 pts Maureen tracks the range of outdoor temperatures over three days. She records the following information.
nata0808 [166]

Answer: 0 ≤ t ≤ 40

Step-by-step explanation:

0 and 40 are included in all 3 number lines.

5 0
3 years ago
Consider the equation: x^2+10x+22=13<br> Need help asap!!!! <br> this is due in a hour!
klio [65]

Answer:

(x + 5)^2 = (5 - 3)^2

Step-by-step explanation:

Given the equation;

x^2 + 10x + 22 = 13

We have;

x^2 + 10x = 13 - 22

x^2 + 10x = -9

Adding half of 10 to both sides and completing the square as usual, we have;

(x + 5)^2 = 5^2 + (-9)

(x + 5)^2 = (5 - 3)^2

7 0
3 years ago
Pls help me solve pls show how you got the answer
Dmitry [639]

Polynomial 1 : x²-x²+4x -2+1 = 4x -1

Polynomial 2 : 3x-x-2x²-2+1 = -2x²+2x-1

Polynomial 3 : 4 -2x+x-x²+x²-x² = -x²-x+4

According to the question,

Polynomial 1+Polynomial2+Polynomial3 + Polynomial4 = 6x

=> 4x -1+ (-2x²+2x-1) +(-x²-x+4) + Polynomial4= 6x

=> -3x²-x+2+Polynomial4= 0

<h2>=> 3x²+x -2= Polynomial4</h2>

OPTION B

6 0
3 years ago
Read 2 more answers
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