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Sloan [31]
3 years ago
8

Solve the equations: 1.3x–2−(3.3x+5)=2x+1

Mathematics
1 answer:
Dovator [93]3 years ago
5 0

Answer:

1.3x - 2 - (3.3x + 5) = 2x + 1

1.3x - 2 - 3.3x - 5 = 2x + 1

-2x - 7 = 2x + 1

-7 = 4x + 1

-8 = 4x

x = -2

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Answer:

ang sagot ay nasa pic

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6 0
3 years ago
HELP ON ALL QUESTIONS!! *repost* NO ONE IS HELPING ME ILL GIVE 56 POINTS
mafiozo [28]

Answer:

2. 8 * 3 - 10 = 14

3. 9 * 2 - 10 = 0

4. 5 - 15 = -10

5. 0.5 * 40 = 20

Part 3.

1.   0.25x + 30.00= 59.50

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3 0
3 years ago
Given the recursive formula for an arithmetic sequence find the common difference and the 52nd term
Mice21 [21]

Answer:

              Common difference(d)                  a_{52}

(21)                   -10                                          -548

(22)                   -7                                          -323

(23)                    10                                           547

(24)                   -100                                       -5118

Step-by-step explanation:

Let the common difference be denoted by 'd'.

Also the nth difference of an arithmetic sequence is given by: a_{n}=a_{1}+(n-1)\times d

(21)

We are given a recursive formula as:

a_{n}=a_{n-1}-10

The first term is given by:

a_{1}=-38

The common difference for an arithmetic sequence is given by:

a_{n}-a_{n-1}

Hence, here we have the common difference as:

d=-10

The nth term of an arithmetic sequence is given by:

a_{n}=a_{1}+(n-1)\times d

Here a_{1}=-38 and d=-10.

Hence, a_{52}=-38+(52-1)\times (-10)

Hence, a_{52}=-548

(22)

a_{n}=a_{n-1}-7

a_{1}=34

The common difference for an arithmetic sequence is given by:

a_{n}-a_{n-1}

Hence, here we have the common difference as:

d=-7

Here a_{1}=34 and d=-7.

Hence, a_{52}=34+(52-1)\times (-7)

Hence, a_{52}=-323

(23)

a_{n}=a_{n-1}+10

a_{1}=37

The common difference for an arithmetic sequence is given by:

a_{n}-a_{n-1}

Hence, here we have the common difference as:

d=10

Here a_{1}=37 and d=10.

Hence, a_{52}=37+(52-1)\times (10)

Hence, a_{52}=547

(24)

a_{n}=a_{n-1}-100

a_{1}=-18

The common difference for an arithmetic sequence is given by:

a_{n}-a_{n-1}

Hence, here we have the common difference as:

d=-100

Here a_{1}=-18 and d=-100.

Hence, a_{52}=-18+(52-1)\times (-100)

Hence, a_{52}=-5118


5 0
4 years ago
A furniture dealer purchased a desk for $150 and then set the selling price equal to the purchase price plus a markup that was 4
zalisa [80]

Answer:

B. $60.00

Step-by-step explanation:

$150.00 x  .40=$60.00

5 0
4 years ago
4 less than half a number is 17.find the number
lana66690 [7]

Answer:

1/2n - 4 = 17

add four to both sides

1/2n = 21

n = 42

Step-by-step explanation:

4 0
3 years ago
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