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melomori [17]
3 years ago
5

NEED ANSWER PLEASEE ASAP!

Mathematics
2 answers:
lys-0071 [83]3 years ago
7 0

Answer:

DE=10

Step-by-step explanation:

CD+DE=CE

4x+14x-18=18

18x=18+18

x=36/18

x=2

DE=14x-18

DE=14(2)-18

DE=28-18

DE=10

Salsk061 [2.6K]3 years ago
6 0

Answer:

DE=10

Step-by-step explanation:

equation:

18=4x+(14x-18)

18=18x-18

36=18x

x=2

14(2)-18

28-18=10

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Which equation could be used to find the value of x in the triangle below?
valkas [14]

Answer:

  • 4x - 12 = 180

Step-by-step explanation:

<u>Sum of the angles of triangle equals 180</u>

  • x + 12 + 2x - 29 + x + 5 = 180

<u>Simplified</u>

  • 4x - 12 = 180
5 0
3 years ago
What is the decimal expansion of the following fraction? A OA. 0.5 OB. 0.5 OC. 1.2 OD. 0.12 Reset Subr​
snow_lady [41]

Answer:

A/B O.5 (you put 0.5 as A and B) but 0.5 is the answer.

Step-by-step explanation:

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5 0
2 years ago
Which quadratic function has a leading coefficient of 2 and a constant term of –3?
Romashka [77]
The answer is <span>f(x) = 2x2 + 3x – 3
</span>
f(x) = ax² + bx + c
a - the leading coefficient
c - the constant term

<u>We are looking for a = 2, c = -3</u>

Through the process of elimination:
The first (f(x) = 2x3 – 3) and the third choice (f(x) = –3x3 + 2) have x³ so these are not quadratic function.

In the function: <span>f(x) = –3x2 – 3x + 2
</span>a = -3
c = 2

In the function: f(x) = 2x2 + 3x – 3
a = 2
c = -3
6 0
2 years ago
Read 2 more answers
A number five times is twenty<br> five.<br> (write the equation )
Eva8 [605]

Answer:

5x=25

Step-by-step explanation:

if you need the answer

5x5=25

5+5+5+5+5=25

5 0
2 years ago
That is the correct answer
Arlecino [84]
3 and 4/8 for question number one
8 0
3 years ago
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