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Zolol [24]
3 years ago
13

I'll show a pic of my question​

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

Umm I think you forgot to send the pic with this question  

Step-by-step explanation:

Hope I can help next time!!!!!!

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How do I find x? I am not sure how to get it because of the lines
JulsSmile [24]
A triangle's angles will always equal up to 180. Since you already have to of the angles, you will add them up together. 30+20=50. Then, you take 180 and subtract it by the sum of the two previous angles. 180-50=130. Now you know the last angle is 130. You also know that the missing angle is also 130. The reason for that is because the two angles are the exact same if you look at it.
3 0
3 years ago
Is x^2-3x-23 polynomial
umka2103 [35]

Answer:

Yes

Step-by-step explanation:

6 0
3 years ago
Step by step explanation please
galina1969 [7]

Two equal triangles

2(1/2×b×h)

=2(1/2×8×10)

= 80 {cm}^{2}

Three rectangles

=3(l×h)

=3(18×8)

=3(144)

432 {cm}^{2}

Total Surface area

80 {cm}^{2}   +  432 {cm}^{2} \\ 512 {cm}^{2}

8 0
3 years ago
Enter the decimal 1.81 repeating as an improper fraction in simplest form.​
Elodia [21]

Answer:

1 9/11

Step-by-step explanation:

1.81 repeating is the equivalent to 1 9/11

6 0
3 years ago
The function f is such that f(x) = x^2 – 2x + 3
aev [14]

Answer:

x = - 4, x = 6

Step-by-step explanation:

Given

f(x) = x² - 2x + 3 and f(x) = 27, then equating the 2 gives

x² - 2x + 3 = 27 ( subtract 27 from both sides )

x² - 2x - 24 = 0 ← in standard form

Consider the factors of the constant term (- 24) which sum to give the coefficient of the x- term (- 2)

The factors are - 6 and + 4, since

- 6 × 4 = - 24 and - 6 + 4 = - 2, thus

(x - 6)(x + 4) = 0

Equate each factor to zero and solve for x

x - 6 = 0 ⇒ x = 6

x + 4 = 0 ⇒ x = - 4

4 0
3 years ago
Read 2 more answers
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