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Ksivusya [100]
3 years ago
12

What is the answer to this inequality 84 is no less than 7 times a number k

Mathematics
2 answers:
lyudmila [28]3 years ago
5 0
84 is no less than 7 times K, 84 divided by 7= 12,
  
 K=12
4vir4ik [10]3 years ago
5 0
84 ≥ 7k
⇒ 84/7 ≥ k
⇒ 12 ≥ k
⇒ k ≤ 12

K is no greater than 12
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Question 9
Ratling [72]

Answer:

Two sides of a triangle have lengths 10 and 15.

What must be true about the length of the third side?

Greater than 5 but less than 25

Less than 15

Less than 25

Step-by-step explanation:

Eugene and Jenny are selling cookie dough for a school fundraiser. Customers can buy packages

of chocolate chip cookie dough and packages of gingerbread cookie dough. Eugene sold i

package of chocolate chip cookie dough and 10 packages of gingerbread cookie dough for a total

of $174. Jenny sold 4 packages of chocolate chip cookie dough and 2 packages of gingerbread

cookie dough for a total of $50. Find the cost each of one package of chocolate chip cookie

dough and one package of gingerbread cookie dough.

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Two sides of a triangle have lengths 10 and 15.

What must be true about the length of the third side?

Greater than 5 but less than 25

Less than 15

Less than 25

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3 0
2 years ago
If x-2 is one of the factors of x^4-kx^2+4, find the value of k.
Andrei [34K]

Step-by-step explanation:

Given expression is x⁴-kx²+4 =0

x−2 is a factor of the given expression.

So, x=2

Substitute in the equation, we get

2⁴-k(2)²+4

⇒16+4k+4=0

⇒4k=−20

⇒k=−5

8 0
2 years ago
The average price (in dollars) to rent a studio in a certain city can be approximated by the equation p=28.2t+644 where t is the
egoroff_w [7]

p = 28.2t + 644\\\\p-644 = 28.2t\\\\\frac{p-644}{28.2} = \frac{28.2t}{28.2}\\  \\t = \frac{p-644}{28.2}

t = \frac{1320.80-644}{28.2} \\\\t = 24

It will take 24 years.

6 0
3 years ago
Match the fractions with Equivalent percentages
Mrrafil [7]

In order to match each of the pairs you need to divide the numerator by the denominator to make it into a decimal.

Below are the pairs:

21/25 = 84%

13/20 = 65%

2/5 = 40%

3/4 = 75%

3/5 = 60%

7 0
3 years ago
Four times a number, minus 9, is equal to three times the number, plus 6
marshall27 [118]
4 x p - 9 = 3 x p + 6  
Hope it helped 
7 0
3 years ago
Read 2 more answers
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