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topjm [15]
2 years ago
12

7 less than k is no less than 70.

Mathematics
1 answer:
77julia77 [94]2 years ago
4 0

Answer:

k-7\geq70

Step-by-step explanation: it says no less than 70 implying it could be 70 or above. Greater than or equal to seventy is the correct answer.

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Allison has five times as many baseball cards and football cards in all she has 120 baseball and football cards how many basebal
ValentinkaMS [17]
I think you do 120 divided by 5, but I could be wrong.
6 0
3 years ago
There are two numbers, one is 7 more than twice the other. The sum of the numbers is 43. Make the equation to find the smaller n
Mrrafil [7]

Answer:

Smaller number: 12

Greater number: 31

Step-by-step explanation:

Hi there!

Let x equal to the smaller number.

Let y be equal to the greater number.

<u>1) Translate the information into equations</u>

"One is 7 more than twice the other"

⇒ y=2x+7

"The sum of the numbers is 43"

⇒ x+y=43

<u>2) Use substitution to solve for the smaller number</u>

x+y=43

Plug the equation y=2x+7 into the above equation

x+(2x+7)=43\\x+2x+7=43\\3x+7=43

Subtract both sides by 7

3x+7-7=43-7\\3x=36

Divide both sides by 3 to isolate x

\frac{3x}{3} = \frac{36}{3} \\x=12

Therefore, the smaller number equates to 12.

<u>3) Use substitution to solve for the greater number</u>

x+y=43

Plug in x as 12

12+y=43

Subtract both sides by 12 to isolate y

12+y-12=43-12\\y=31

Therefore, the greater number equates to 31.

I hope this helps!

3 0
3 years ago
Choose the solutions to the quadratic equation
WITCHER [35]
29 I think but iam not sure if it’s right
4 0
2 years ago
5z + 3n -z2 ; n = 4.5 , z = 6 PLZ answer this
zavuch27 [327]

Answer:

5(6)+3(4.5)- 6(2)= 31.5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve for v -7 v+3 = -63
denis23 [38]

Answer:

v = 66/7

Step-by-step explanation:

Step 1: Write equation

-7v + 3 = -63

Step 2: Solve for <em>v</em>

<u>Subtract 3 on both sides:</u> -7v = -66

<u>Divide both sides by -7:</u> v = 66/7

Step 3: Check

<em>Plug in x to verify if it's a solution.</em>

-7(66/7) + 3 = -63

-66 + 3 = -63

-63 = -63

8 0
3 years ago
Read 2 more answers
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