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Margarita [4]
3 years ago
12

How do I solve: 16≥4(z-7)

Mathematics
1 answer:
Setler [38]3 years ago
5 0

Answer:

\large\text{The graph in the attachment.}\\\\z\leq11\to z\in(-\infty,\ 11]

Step-by-step explanation:

16\geq4(z-7)\qquad\text{divide both sides by 4}\\\\4\geq z-7\qquad\text{add 7 to both sides}\\\\11\geq z\to z\leq11

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If you triple 4 and subtract to each day how many days until you have zero
Mrrafil [7]
Do you mean subtract two each day? If so...
4x3=12 and 12 divided by 2 is 6 so it would take six days to reach zero
or
you could manually subtract two from 6 each days as in 12-2=10 (1 day), 10-2=8 (2 days), and so on...
5 0
3 years ago
eric has a riddle: " i am thinking of a fraction that is equivalent to 2/5 and the numerator is 18 less than the denominator." w
dezoksy [38]

Answer:

12/30

Step-by-step explanation:

So we know that the denominator-numerator=18

And we also know that it's equal to 4/10 or 2/5.

Soooooooooooooo the most easiest is just to trial and error: 12/30

But I don't really know the more complex formula...

5 0
3 years ago
An architect is sketching a blueprint of a patio for a new fence. On the blueprint, C is the midpoint of segment AD. Point B is
Gre4nikov [31]

Answer:

<u><em>The length of AD is 32 feet</em></u>

Step-by-step explanation:

<u>Proportional distances </u>

When distances are proportions of others, we can express all of them as relative fractions until we reach some known distance and solve for the desired length

Let's call x the length of AD. Given C is the midpoint of AD, then

\displaystyle AC=CD=\frac{x}{2}

Given B is the midpoint of AC, then

\displaystyle AB=BC=\frac{AC}{2}=\frac{x}{4}

If we know BC=8 feet

\displaystyle \frac{x}{4}=8\ feet

\displaystyle x=32\ feet

The length of AD is 32 feet

4 0
3 years ago
The area of Asia is about 44600000 square kilometers. The area of Europe is about 9.94 x 10^6 square kilometers. What is the com
choli [55]
The answer is B . because when u add them u will get 14400000 which is 1.44*10^7sq kilometers. did this help you?
7 0
4 years ago
Read 2 more answers
Find the slope of the line using the points (0,4) and (-3,6)
Anna007 [38]

slope = - \frac{2}{3}

calculate the slope m using the gradient formula

m= (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (- 3, 6)

m = \frac{6-4}{-3-0} = \frac{2}{-3} = - \frac{2}{3}


4 0
3 years ago
Read 2 more answers
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