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2 years ago

Find the value of N 6:7 = n : 4 : 2

Mathematics

1 answer:

Aleksandr-060686 [28]2 years ago

4 0

Answer:

3.428 or 3 wholes 3/7

Step-by-step explanation:

6 : 7 = n : 4 : 2

6 : 7 = n : 4

6/7 = n/4

7n = 24

n = 24 /7

n = 3. 428 or 3 wholes 3/7

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Let f(x) = x2 − 3x − 7. Find f(−3).

elena55 [62]

Answer:

f(-3) = 11

Step-by-step explanation:

To evaluate f(-3), substitute x = - 3 into f(x)

⇒ f ( − 3 ) = ( − 3 )^ 2 − 3 ( − 3 ) − 7

= 9 + 9 − 7 = 11

hope this helps

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#Virgo2007

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3 years ago

Read 2 more answers

Bryce grows a sunflower that contains 1,354 sunflower seeds. Six people share the harvested seeds. If they share the seeds equal

iragen [17]

Answer: 4 seeds will left over.

Step-by-step explanation:

Total sunflower seeds = 1354

Number of people shared sunflower seeds equally = 6

By division operation,

Number of seeds each people will get = (Total sunflower seeds) ÷ (Number of people shared seeds equally)

$= (1354) \div (6)$

$=225\dfrac{4}{6}$

Hence, each people will get 256 sunflower seeds and 4 seeds will left.

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2 years ago

Oakland Middle school has 128 6th graders, 121 7th graders and 135 8th graders. If there are 3 teachers per 32 students, how man

zepelin [54]

Answer:

36 Teachers in Total

Step-by-step explanation:

I would use Ratio.

Students: 128 + 121 + 135 = 384 total students

Teachers: Students

3 : 32

36 : 384

384 ÷ 32 = 12

12 x 3 = 36

6 0

3 years ago

Stacey and Jeremy sent out 380 invitations They have received 127 responses. What does q represent in the equation 380-q = 127

r-ruslan [8.4K]

Q represents the number of invitations without a response. Q is equal to 253

8 0

2 years ago

Which of the following is the solution to the inequality below ? -6/5(4-x)<_-4(X+1/2)

LuckyWell [14K]

Answer:

The answer is the option D

$x\leq 7/13$

Step-by-step explanation:

we have

$-\frac{6}{5}(4-x)\leq -4(x+\frac{1}{2})$

Multiply by $-5$ both sides

$6(4-x)\geq 20(x+0.5)\\24-6x\geq20x+10\\24-10\geq 20x+6x\\14\geq 26x$

Rewrite

$26x\leq 14\\x\leq 14/26\\ x\leq 7/13$

7 0

2 years ago