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solniwko [45]
3 years ago
15

Witch expression is equivalent to( 3x+4)-(7x+2)

Mathematics
2 answers:
max2010maxim [7]3 years ago
3 0

Answer: -4x+2

Step-by-step explanation: Simplify

MAVERICK [17]3 years ago
3 0
The answers is -4x+2.
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Solve for m
nasty-shy [4]
<h3><u>Answer</u><u>:</u></h3>
  • m = 10°
  • ∠MHL = 30°

<h3><u>Expl</u><u>anation</u><u>:</u></h3>

∠MHL and ∠MHJ are supplementary angles that is some of the measure of both angle is 180°, because these angle are on a line.

∠MHL + ∠MHJ = 180°

substituting values.

⟹ (2m + 10)° + (5m + 100)° = 180°

⟹ 5m + 2m + 10 + 100 = 180°

⟹ 7m + 110 = 180°

⟹ 7m = 180° - 110°

⟹ 7m = 70°

⟹ m = 70/7

⟹ m = 10

m = 10°

measure of ∠MHL is

⟹ (2m + 10 )°

⟹ 2(10°) + 10°

⟹ 20° + 10°

⟹ 30°

∠MHL = 30°

\red{\large\boxed{Mark\: Brainleist\: please ! }}

8 0
3 years ago
What is the mean of this sample, which consists of 10
In-s [12.5K]

Answer:

The mean of the samples is 21

Step-by-step explanation:

Mean is defined as the average sum of numbers i.e total sum of given numbers divided by the total number.

Given the randomly selected numbers as shown;

7, 100, 1, 3, 7, 10, 15, 12, 17, 38

Total sum of numbers = 7+ 100 + 1 + 3 + 7 + 10 + 15 + 12 + 17 + 38

= 210

Total numbers given = 10

Mean = 210/10

Mean = 21

7 0
3 years ago
How to tell whether a function is linear? example- f(x) = -3
Natalija [7]
Liner = a×b=c so it is linear
8 0
3 years ago
Which equation describes the graph?
Leya [2.2K]
y= |2x|-1

Absolute value graphs make a v shape...
the point on the y-axis is -1

I'm not really sure how to explain it XD sorry
8 0
3 years ago
Evaluate the following:<br>(-8)2​
Zigmanuir [339]

Answer:

<h3>-16</h3>

Step-by-step explanation:

PEMDAS- (Parenthesis, Exponents, Multiply, Divide, Add, and Subtract) from left to right.

BOMDAS- (Brackets, Of, Multiply, Divide, Add, and Subtract) from left to right.

(-8)2

-8*2 (First, remove parenthesis.)

-8*2=-16

-16

Therefore, the final answer is -16.

5 0
3 years ago
Read 2 more answers
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