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marshall27 [118]
3 years ago
7

Plz help me well mark brainliest if correct!!

Mathematics
1 answer:
sesenic [268]3 years ago
3 0
Answer:

It’s schedule B
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148=3x+3+4x+1 solve
Andreas93 [3]

Answer: 20.57142857

Step-by-step explanation:

148 = 3x + 3 + 4x + 1

Step one: combine like terms

148 = 7x + 4

Step 2: Subtract the 4 over to 148

144 = 7x

Step 3: Divide 7 on both sides

20.57142857 = x

6 0
3 years ago
Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S = 1 + 2 + 3 + ... + 24 + 25, find the value of
Anastaziya [24]

Answer:

325

Step-by-step explanation:

You must have heard about Arithmetic Progressions (AP)

Arithmetic progressions are a series of numbers such that every successive number is the sum of a constant number and the previous number.

Our very own counting numbers form AP

For example :-

2 = 1 + <u>1</u>

3 = 2 + <u>1</u>

4 = 3 + <u>1</u>

The number in bold (1) is that constant number which is added to a number to form its successive number.

To find the sum of series forming AP, we use the formula :-

sum =  \frac{n}{2} \{ a  + a  _{n}  \}

here,

  • n is the number of terms
  • a is the first number of the series
  • an is the last number of the series

So we'll use all this information to find the sum of continuous numbers from 1 to 25 where 1 is the first term(a) and 25 is the last(an).

and n is 25

S  =   \frac{25}{2}\{ 1  +25\}

=  \frac{25 \times 26}{2}

= 25  \times 13

= 325

So, the value of S comes out to be 325.

8 0
3 years ago
Read 2 more answers
Your gas tank holds 13.5 gallons of gas your fuel gauge shows that your tank is one quarter full your car gets an average of 25
Gekata [30.6K]

Answer:

  The brother is likely wrong.

Step-by-step explanation:

The range of the vehicle with a full tank is ...

  (13.5 gal/tank)(25 mi/gal) = 337.5 mi/tank

You have 1/4 tank, so your range is ...

  (337.5 mi/tank)(1/4 tank) = 84.375 mi

If you make the 85 mile distance, it will be because you achieved gas mileage better than average and/or your gas gauge gives you some cushion.

Unit analysis says you do not have the necessary range.

7 0
3 years ago
Irma goes biking every morning. The number of calories she burns during the bike ride depends on the distance she bikes.
Sphinxa [80]

Answer:

D Independent variable

C dependent Variable

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A bag contains 12 red marbles. The ratio of red marbles to blue marbles is 3:4. Find the number of blue marbles in the bag. blue
Leno4ka [110]

Answer:

multiply x to 4 and 3

given

4x= 12

Step-by-step explanation:

therefore x=3

therefore 3 multiplied by 3 gives 9

9 is the answer

3 0
2 years ago
Read 2 more answers
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