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nataly862011 [7]
3 years ago
11

Find the value of X. to 67° 56°

Mathematics
2 answers:
aleksley [76]3 years ago
8 0
<h3>Answer:   x = 57</h3>

==================================================

Explanation:

The three angles of any triangle always add to 180

x+67+56 = 180

x+123 = 180

x+123-123 = 180-123 .... subtract 123 from both sides

x = 57

The missing angle is 57 degrees

-------------

Check:

x+67+56 = 57+67+56 = 180

Answer is confirmed.

Fiesta28 [93]3 years ago
3 0

Answer:

x = 57

Step-by-step explanation:

180 degrees in a triangle

67 + 56 = 57

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Dan is 8 years older than Fiona. Gavyn is 9 years younger than Fiona. If the total of their ages is 56, how old is the eldest of
r-ruslan [8.4K]

Answer:

27

Step-by-step explanation:

If Fiona's age is x, Dan and Gavyn's ages respectively are x + 8 and x - 9. We can write:

x + x + 8 + x - 9 = 56

3x - 1 = 56

3x = 57

x = 19

The eldest is Dan (because x + 8 > x and x + 8 > x - 9). His age is x + 8 = 19 + 8 = 27.

3 0
3 years ago
Write an expression for the area of the square.​
zzz [600]

Answer:

A=(4x-5)^{2}

Step-by-step explanation:

The area of a square can be found by multipling two of the side lengths. And since all the sides of a sqaures are the same we just multiply (4x-5)(4x-5)=A or  (4x-5)^{2}=A.

4 0
3 years ago
Write a linear equation with a slope of 14 and y-intercept -12.
Vanyuwa [196]

Answer:

y=14x-12

Step-by-step explanation:

in the standard format y=mx+b, m is the slope and b is the y-intercept, so this equation would be y=14x-12 since the slope is 14 and the y-intercept is -12.

8 0
4 years ago
Could someone help me out with this question?
SOVA2 [1]

The simplified form of the difference quotient of equation 9x^2+5x-1 . in the form 9x + 9h + 5.

In question for equation 9x^2+5x-1, simplified to difference quotient in the form of Ax+Bh+C where A, B, C are integers

<h3>What is equation?</h3>

equation is the relationship between variable and represented as  9x^2+5x-1  is example of polynomial equation.

We know that,
for difference quotient
=\frac{f(x+h)-f(x)}{h} \\\frac{9(x+h)^2+5(x+h)-1-9x^2-5x+1}{h}\\\frac{9h^2+9hx+5h}{h}\\9x+9h+5
While, compared with Ax+Bh+C
we have A=9, B=9, C=5.

Thus, The required value of difference Quotient in the form Ax+Bh+c where A, B and C is 9, 9 and 5 respectively

Learn more about equation here:
brainly.com/question/10413253

#SPJ1

6 0
2 years ago
Estimate the quotient 172.6 divided by 39
zvonat [6]
172.6 rounded to the nearest hundred place = 200

39 rounded to the nearest ten place= 40

200/40= 5


The answer is 5. Hope this helps!
7 0
3 years ago
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