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3 years ago

A number z minus 6 is greater than or equal to 11

Mathematics

2 answers:

shusha [124]3 years ago

7 0

Answer:

z ≥ 17

Step-by-step explanation:

z - 6 ≥ 11

+6 +6

________

z ≥ 17

sergiy2304 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

1. A number z minus 6 is greater than or equal to 11

2.Twelve is no more than the sum of -1.5 times a number w and 4.

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The heights of a maple tree and a cherry tree have a ratio of 5:2. If the maple tree grew 20 cm and 20 cm was cut off the top of

elena-14-01-66 [18.8K]

Let x be the heights of a maple tree and y be the height of the cherry tree.
We know:
 $\frac{x}{y} = \frac{5}{2}$
The new ratio is obtained like this:
 $\frac{x+20}{y-20} = \frac{3}{1}$ .
From the above equation we get $x= (y-20)\frac{3}{1} -20$ .
then $\frac{ (y-20)\frac{3}{1} -20}{y} = \frac{5}{2}$
Solving the above equation for y we get: $y=160$
So $x=400$
So the first tree is (400-160=240) more taller than cherry tree.

7 0

2 years ago

Need help with this problem

Ira Lisetskai [31]

Answer:

Step-by-step explanation:

u will have to explain

6 0

2 years ago

A 32° B. # С m2C = [?]

Dafna1 [17]

Answer:

Step-by-step explanation:

4 0

2 years ago

Help please I'm really confused I will mark a brainliest for correct answer

max2010maxim [7]

Easy do 12 times 16 divided by two = 96

answer=96

5 0

3 years ago

Read 2 more answers

A piggy bank contains a total of 84 coins in nickels and quarters worth $12.80.

Kitty [74]

Let's make a system of equations to solve for this:

n + q = 84

0.05n + 0.25q = 12.80

where n = nickels and q = quarters.

---

Solve for n in the first equation by subtracting q from both sides.

n = 84 - q

---

Plug n into the second equation.

0.05(84 - q) + 0.25q = 12.80

Distribute 0.05 inside the parentheses.

4.2 - 0.05q + 0.25q = 12.80

Combine like terms.

4.2 + 0.2q = 12.80

Subtract 4.2 from both sides.

0.2q = 8.6

Divide both sides by 0.2.

q = 43

---

Plug 43 for q in the first equation.

n + (43) = 84

Subtract 43 from both sides.

n = 41

---

There are 41 nickels and 43 quarters in the piggy bank. ✅

8 0

2 years ago

A number z minus 6 is greater than or equal to 11​

A number z minus 6 is greater than or equal to 11