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Zepler [3.9K]
4 years ago
9

Solve for x. -10x = -210 x = -200 x = -21 x = 21

Mathematics
1 answer:
Bingel [31]4 years ago
8 0
-10x = -210

The answer is x = 21
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Jkl is an equilateral triangle jk= 13x+5,KL= 17X-19 AND JL= 8X+35​
stira [4]

Answer:

x = 6

Step-by-step explanation:

Since the triangle is equilateral then sides are congruent.

Equate any 2 sides and solve for x

13x + 5 = 8x + 35 ( subtract 8x from both sides )

5x + 5 = 35 ( subtract 5 from both sides )

5x = 30 ( divide both sides by 5 )

x = 6

JK = (13 × 6) + 5 = 78 + 5 = 83

KL = (17 × 6) - 19 = 102 - 19 = 83

JL = (8 × 6) + 35 = 48 + 35 = 83

ΔJKL is equilateral with side = 83

4 0
3 years ago
What shape is the base? What is the area of the<br> base (B)?
VladimirAG [237]

Answer:

rectangular; 32 in²

Step-by-step explanation:

The base is rectangular, because 1 set of sides is longer than the other.

To find the area of the base, multiply 4 by 8 to get 32 in².

6 0
3 years ago
Solve for x <br>3(x - 2) = 6x - 12<br>​
nalin [4]

Answer:

The answer is 2

Step-by-step explanation:

Here's how I got it:

3(x - 2) = 6x - 12

Multiply 3 times x and 3 times 2, this is what you would get

3x - 6 = 6x - 12

Then, subtract the lowest x with the bigger X, this way you would have x on one side:

3x - 6 = 6x - 12

-3x        -3x

This is what you should have after this:

-6 = 3x - 12

Now, to get the variable (letter that represents a number) by itself, you have to add 12 to both sides like this:

-6 = 3x - 12

+12        +12

You would get this:

6 = 3x

Finally, you have to get x by itself, so you have to divide 3 on both sides like this

6/3 = 3/3 x

That's why, your answer is 2

5 0
3 years ago
Assume that x is a positive acute angle.<br> Given: sin x =28/53<br> Find: sin 2x
alexdok [17]

Answer:

its sophisticated but answer is 3

Step-by-step explanation:

you have to dive deep into it and research

4 0
3 years ago
A spinner has four equal sections, with one letter from the word “MATH” in each section. You spin the spinner 20 times. About ho
hodyreva [135]

The percentage of A occurring is 25%

<u>Explanation:</u>

Given:

4 sections are there

M A T H

number of spins, n = 20

In one spin, the probability of getting A is 1/4

In 20 spins, the probability of getting A is

\frac{1}{4} = \frac{x}{20} \\\\x = 5

Percentage of A occuring = \frac{5}{20} X 100\\\\

                                           = 25%

6 0
4 years ago
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