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elena55 [62]
3 years ago
14

What is the simplified form of the expression 3 + 8x − 2y − x + 1 + 4y?

Mathematics
2 answers:
QveST [7]3 years ago
8 0
4+7x+2y
that is your answer
loris [4]3 years ago
8 0
You want to combine like terms so that means each term has to have the same variable and exponent. There are no exponents so now we look at the variable. So, +8x and -x have the same variable so add them together. 8x+ -x which is the same as subtracting since -x is negative.

8x-x= 7x      7x is positive

You still have 3 and - 2y +4y and +1. Now combine -2y and +4y

-2y + 4y = 2y

you still have 2 like terms, 3 and 1.

3+ 1 is 4

so its 4+2y+7x
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Answer:

The distance travelled is 7.98×10³ miles.

Step-by-step explanation:

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distance = speed \times time

Let speed = 5.7×10²,

Let time = 1.4×10¹,

d = (5.7 \times  {10}^{2} ) \times (1.4 \times 10)

d = (5.7 \times 1.4) \times ( {10}^{2}  \times 10)

d = 7.98 \times  {10}^{3} miles

3 0
3 years ago
Which southern in their boxes shows has a greater value
suter [353]

Answer: C) They have equal volumes

Step-by-step explanation:

Volume of Rectangular Prism = length x width x height

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Purple: 8 x 2 x 1 = 16

8 0
3 years ago
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Natasha_Volkova [10]

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Step-by-step explanation:

4 0
3 years ago
Ray and Lilli are designing their own shoes. They have 4 color options for the base and 6 color options for the accent. They can
IrinaVladis [17]
Remark: in the solution, the word Combination is used in the daily usage of the word, not in the combinatorial (mathematical) language.


Let the available 4 base colors be {b_1, b_2, b_3, b_4},

the available 6 accent colors be   {a_1, a_2, a_3, a_4, a_5, a_6},

and the available 2 fonts for the embroidery be {e_1, e_2},


so we have 4 b's, 6a's and 2 e's.


The event that Ray and Lilly design identical shoes can happen in the following way:

Ray has in total 4*6*2=48 possible combinations, and in each of these combinations, Lilly makes the same exact combinations of the 3- b's, a's and  e's.

The sample space is 48 possible combinations of Ray * 48 possible combinations of Lilly = 48*48
(among these there are 48 matches of the combinations)



Thus P(designing identical shoes)=48/(48*48)=1/48=0.02



Answer:0.02



6 0
3 years ago
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Dmitriy789 [7]

Answer:

A

Step-by-step explanation:

sqrt(x) ≤1

Square each side

x ≤1

But we have to look at the limit on the square root

We know that square root must be greater than or equal to zero so x ≥0

0 ≤x ≤1

8 0
3 years ago
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