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amid [387]
2 years ago
7

14. What is the measure of ZABC in the image shown? OE A B 10x - 10 100 - 2x 2x + 10 C 14. What is the measure of ZABC in the im

age shown ? OE A B 10x - 10 100 - 2x 2x + 10 C​

Mathematics
1 answer:
photoshop1234 [79]2 years ago
4 0

Answer: 110 degrees

Step-by-step explanation:

By the exterior angle theorem.

10x-10=100-2x+2x+10\\\\10x-10=110\\\\\therefore \angle ABC=110^{\circ}

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Rezolvati problema prin metoda figurativa:
Anna35 [415]

Ne este dat numărul total de elevi = 30.

Să presupunem că numărul de băieți este egal cu numărul de fete.

Dacă împărțim 30 cu 2, obținem 15.

Deci, numărul de băieți = 15 și numărul de fete = 15 dacă ambele sunt egale.

"Dar numărul de fete este mai mult de 2 băieți."

Astfel putem scădea 1 din 15 și adăugăm 1 din 15.

După adăugarea a 1 din 15, ajungem

15 + 1 = 16.

Și scăzând de la 1 la 15, ajungem acolo

15-1 = 14.

Deci, numărul de băieți este de 14 și numărul de fete este de 16

5 0
3 years ago
What is the factor tree for 68
alexira [117]
The answer to your question is... 68 / \ 32(times)2 / \ 17(times)2
4 0
4 years ago
Now that you have x² - 8x 16 = 9 16, apply the square root property to the equation.
vitfil [10]

The square root property to the equation will be (x – 4)² = 25. And the solutions will be the negative 1 and 9.

<h3>What is a quadratic equation?</h3>

The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2. Then we have

The equation is given below.

x² – 8x + 16 = 9 + 16

Then the equation can be written as

(x – 4)² = 25

x – 4 = ±5

x = 4 ± 5

x = -1, 9

More about the quadratic equation link is given below.

brainly.com/question/2263981

#SPJ1

8 0
2 years ago
Please answer this math question.
Molodets [167]

Answer:

21 minutes

Step-by-step explanation:

To cut a 5-ft log into 5 equal peices, you need to make 4 cuts (each cut cuts one piece from a whole log, the last cut divides the remaining log into two pieces).

If it takes 5\dfrac{1}{4} minutes to make one cut, then it takes

5\dfrac{1}{4}\cdot 4=\dfrac{5\cdot 4+1}{4}\cdot 4=\dfrac{21}{4}\cdot 4=21

minutes to cut the log into 5 equal pieces.

7 0
4 years ago
(−5)∙(a−2b+3c−4d)−(−3)∙(4a−3b+2c−d)<br> Simplify
NeX [460]
Https://www.symbolab.com/solver/algebra-calculator/%5Cleft(-5%5Cright)%5Ccdot%5Cleft(a-2b%2B3c-4d%5C...
3 0
3 years ago
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