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kati45 [8]
3 years ago
8

Help please i really need help

Mathematics
1 answer:
Andre45 [30]3 years ago
3 0

Answer:16 is x

Step-by-step explanation:

this is a equilateral triangle witch means the sides are the same. 3x is more than 2x so they put - 8 to get to 2 x and 8 times 2 is 16 and there you go.

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What is value of x? please help
bija089 [108]

Answer:

x = 27

Step-by-step explanation:

To find the value of x, create a proportion. A proportion is two equal ratios for similar figures. The two triangles are similar because they are the same shape but not the same size. Create ratios between corresponding sides of figures.

\frac{x+8}{10}=\frac{2x-5}{14}

To solve for x, cross multiply:

(x+8)(14) = (10)(2x-5)

14x + 112 = 20x -50

        112 = 6x - 50

        162 = 6x

          27 = x

7 0
3 years ago
Classify each of the following numbers as real, whole, integer, rational or irrational. Some numbers will have more than one cla
Colt1911 [192]
Answer:
1). -98 (integer, real number, rational)
2). 1.98 (real, rational)
3). 1270 (whole, real, integer, rational)
4). 1,232,323 (whole, real, integer, rational)
3 0
2 years ago
What is the factored form of the polynomial?
DENIUS [597]

Answer:

C.  (x + 4)(x + 5).

Step-by-step explanation:

We need 2 numbers whose product is + 20 and whose sum is + 9.

They are + 5 and + 4 , so

x2 + 9x +20

= (x + 4)(x + 5).

5 0
3 years ago
The sum of three times a number and six is twelve.
Kaylis [27]

For this case we must raise the equation according to the given statement.

Let the variable "x" be the unknown number.

So, three times the number is: 3x

If to that term is added "6" we have:

3x+6

The sum of both terms is "12", then:

3x+6 = 12

Thus, the equation is: 3x+6 = 12

Answer:

3x+6 = 12

8 0
3 years ago
ADante begins to evaluate the expression 3 1/3 × 51/4 using the steps below. Which could be his next step?
antiseptic1488 [7]

Answer:

31/3 ×51/4

527/4

Step-by-step explanation:

4 0
3 years ago
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