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Brrunno [24]
3 years ago
11

Can you please help me I plead you

Mathematics
1 answer:
Levart [38]3 years ago
5 0

Answer:

Question 2

x is approximately 15.038 or 15 days

Question 3

$3.41

Question 4

31.1

Step-by-step explanation:

Question 2

5.2 km/1 day =78.2 km/x days

Multiply both sides by x

5.2x=78.2

divide by 5.2

x is approximately 15.038

or 15 days

Question 3

350-(262.94+83.65)

$3.41

Question 4

22(1.3)+2.5

31.1 m

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3x-1 = 5x - 11 what is x​
Karo-lina-s [1.5K]

Answer:

x = 5

Step-by-step explanation:

3x-1 = 5x-11

<em>Subtract 3x from both sides:</em>

-1 = 2x - 11

<em>Add 11 to both sides:</em>

10 = 2x

<em>Divide both sides by 2:</em>

5 = x

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A special deck of cards has 3 blue cards, and 7 orange cards. The blue cards are numbered 1, 2, and 3. The orange cards are numb
brilliants [131]

Answer:

A.. Number of elements in the sample space is 10.

B.. Given that event B is card drawn is blue.

Step-by-step explanation:

Special deck has3 blue and 7 orange cards. The blue cards are numbered 1, 2 and 3. The orange cards are numbered 1, 2, 3, 4, 5, 6 and 7.

We draw one card randomly from the deck, the sample space is

S={b1, b2, b3, o1, o2, o3, o4, o4, o6, o7}

Where,

'b' represents blue card

And 'o' represents orange cards.

Number of elements in the sample space is 10.

Given that event B is card drawn is blue.

B={b1, b2, b3}.

7 0
3 years ago
Read 2 more answers
Simplify the expression: 2x( 4x + 5)<br> A 622 + 72<br> B 82 + 5<br> C 812 + 103<br> D O81 +10
nexus9112 [7]

Answer:

=8x2+10x

Step-by-step explanation:

2x(4x+5)

=(2x)(4x+5)

=(2x)(4x)+(2x)(5)

3 0
3 years ago
9(2a – b)2 – 4(2a – b) – 13
elena-s [515]
18(2a-b)-4(2a-b)-13
=36a-18b-8a+4b-13
Rearrange
=36a-8a-18b+4b-13
=28a-14b-13
3 0
3 years ago
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