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never [62]
3 years ago
13

Add the two expressions. 4.6x−3 and −5.3x+9 Enter your answer, in simplified form, in the box. PLEASE ANSWER FAST THIS IS A BIG

DEAL!!!
Mathematics
2 answers:
Ivan3 years ago
4 0
To add the two expressions, we can write it as:

4.6x-3 + (-5.3x+9)

We can distribute the plus sign (which means just drop the parenthesis in this case):

4.6x-3-5.3x+9

Now, we can simplify by combining like terms:

-0.7x+6
katrin2010 [14]3 years ago
3 0
So you have <span>4.6x − 3 and </span><span>−5.3x + 9. You can only add like terms, which are terms where their variables (and the exponents on the variable) are the same. That means you can add </span>4.6x and −5.3x, and you can also add −3 and 9:
4.6x - 3 + - 5.3x + 9\\&#10;= (4.6x - 5.3x) + (-3 + 9)\\&#10;= -0.7x + 6

-----

Answer: -0.7x + 6
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If the largest angle of a triangle is 120° and it is included between sides of 1.5 and 0.5, then (to the nearest tenth) the larg
12345 [234]

Answer:

1.8 units.

Step-by-step explanation:

The questions which involve calculating the angles and the sides of a triangle either require the sine rule or the cosine rule. In this question, the two sides that are given are adjacent to each other and the given angle is the included angle. This means that the angle is formed by the intersection of the two lines. Therefore, cosine rule will be used to calculate the length of the largest side of the triangle. The cosine rule is:

b^2 = a^2 + c^2 - 2*a*c*cos(B).

The question specifies that a=0.5, B=120°, and c=1.5. Plugging in the values:

b^2 = 0.5^2 + 1.5^2 - 2(0.5)(1.5)*cos(120°).

Simplifying gives:

b^2 = 3.25.

Taking square root on the both sides gives b = 1.8 (rounded to the nearest tenth).

This means that the length of the third side is 1.8 units!!!

3 0
3 years ago
What are the next three terms in the pattern 2, 6, 18, 54, ...?
castortr0y [4]

Answer:

OPTION B: 162, 486, 1458

Step-by-step explanation:

The given sequence is 2, 6, 18, 54, . . .

It is a geometric sequence and the common difference is 3.

The general form of a geometric sequence is: a, ar, ar², ar³, . . .

Here a = 2 and r = 3.

$ n^{th} $ term of a Geometric progression is $ ar^{n - 1} $.

Note that the fourth term is 54.

i.e., $ ar^3 = 54 $

$ \implies ar^4 = ar^3 . r = 54 . 3 = 162 $.

Similarly, $ ar^6 = 162 \times 3 = 486 $.

Also, $ ar^7 = ar^6 . r = 486 \times 3 = 1458 $.

Hence, OPTION B is the answer.

8 0
3 years ago
Read 2 more answers
63 is 90% of what number? Using double number lines.
USPshnik [31]

Answer:Since the 90% is 63.

Step-by-step explanation:

3 0
3 years ago
What is the product in lowest terms? 8/15 * -3/10
german
Multiply the numerators and denominators together:

-24/150

Divide the numerator and denominator by 6:

-24 / 6 = -4
150 / 6 = 25

-4/25
4 0
3 years ago
The sum of 16 and 20 is divided by the product of 6 and 2 , find the result​
kow [346]

The answer is 3

16+20=36

6x2=12

36/12=3

4 0
2 years ago
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