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natita [175]
3 years ago
12

Addition fact of 12-4

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0
I Think It Is 8. Onstaly
KonstantinChe [14]3 years ago
4 0

Answer: It is 8. Im sure thats the answer.

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(1, -3) is not a solution to the inequality y &gt; 4x - 3.<br> True<br> O False<br> Check Answer
LuckyWell [14K]

Answer:

True, (1,-3) is not a solution.

Step-by-step explanation:

If we put x = 1 and y = -3 we get

-3 > 4(1) - 3

-3 >  1 which is not true so (1, -3)  is NOT a solution.

4 0
3 years ago
Need help again asap please! Find the sum of the first 30 terms of the sequence below an=3n+2
hoa [83]

S_{30} = 1455

generate a few terms of the sequence using a_{n} = 3n + 2

a_{1} = ( 3 × 1) + 2 = 5

a_{2} = (3 × 2) + 2 = 8

a_{3} = (3 × 3 ) + 2 = 11

a_{4} = (3 × 4 ) + 2 = 14

a_{5} = ( 3 × 5 ) + 2 = 17

the terms are 5, 8, 11, 14, 17

these are the terms of an arithmetic sequence

sum to n terms is calculated using S_{n} = \frac{n}{2} [ 2a + (n-1)d]

where a is the first term and d the common difference

d = 8 - 5 = 11 - 8 = 14 - 11 = 3 and a_{1} = 5

S_{30} = \frac{30}{2} [( 2 × 5) + (29 × 3) ]

= 15( 10 + 87) = 15 × 97 = 1455



3 0
3 years ago
Read 2 more answers
Miles is planning to spend 2/3 as many hours Bicycling this week as he did last week is Miles going to spend more hours were few
Firlakuza [10]

Answer: Yes, He bicycled fewer in this week than last week.

Step-by-step explanation:

Let he bicycled x hours in the last week,

Then, According to the question,

\text{ He bicycled in this week} = \frac{2}{3} \text{ of the hours he bicycled last week} = \frac{2x}{3}

\text{ Since, }1 > \frac{2}{3}

\implies x > \frac{2x}{3}

\text{ He bicycled in the last week} > \text{ he bicycled in this week}

Hence, He bicycled fewer in this week than last week.


3 0
3 years ago
What is the greatest common factor of 4x^5 y^12 - x^15 y + 8x^10 y^8
ELEN [110]

Answer:

GCF:   x^5y

Step-by-step explanation:

4x^5 y^12 = x^5y (4y^11)

x^15 y = x^5y (x^10)

8x^10 y^8 = x^5y (x^5y^7)

So

GCF of 4x^5 y^12 - x^15 y + 8x^10 y^8 = x^5 y

3 0
3 years ago
One morning it was -9 degrees in Ohio and -7 in Pennsylvania. Compare -9 and -7. Which state is warmer?
mariarad [96]

Answer:

pennsylvania because -9 is colder than -7

Step-by-step explanation:

give brainliest if right

7 0
3 years ago
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