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Goshia [24]
2 years ago
13

PLEASE HELP ME!!! ITS DUE TODAY!!!!!!! the file is down below!!!!!

Mathematics
2 answers:
Nikolay [14]2 years ago
5 0

Answer:

the first phot is correct becuase thh way she sets it up shows the right way to set up a number line.

Step-by-step explanation:

lutik1710 [3]2 years ago
4 0
First pictures right the second picture is wrong u could really just look it up
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Four times the sum of a number and 15 is at least 120. Find all possible solutions for x
zloy xaker [14]
First translate the English phrase "Four times the sum of a number and 15 is at least 120" into a mathematical inequality.

"Four times..." means we're multiplying something by 4.

"... the sum of a number and 15..." means we're adding an unknown and 15 and then multiplying the result by 4.

"... is at least 120" means when we substitute the unknown for a value, in order for that value to be in the solution set, it can only be less than or equal to 120.

So, the resulting inequality is 4(x + 15) ≤ 120.

Simplify the inequality.

4(x + 15) ≤ 120
4x + 60 ≤ 120 <-- Using the distributive property
4x ≤ 60 <-- Subtract both sides by 60
x ≤ 15 <-- Divide both sides by 4

Now that we have the inequality in a simplified form, we can easily see that in order to be in the solution set, the variable x can be no bigger than 15.

In interval notation it would look something like this:

[15, ∞)

In set builder notation it would look something like this:

{x | x ∈ R, x ≤ 15}

It is read as "the set of all x, such that x is a member of the real numbers and x is less than or equal to 15".
7 0
3 years ago
when four coins are tossed simultaneously then what is the probability of getting two heads and two tails​
Paul [167]

Answer:

50% chance

Step-by-step explanation:

4 * 50% = 2

5 0
3 years ago
Solve 2x + 2 &gt; 10<br><br>A. x&lt;6<br>B. x&gt;6<br>C. x&gt;4<br>D. x&lt;4​
melamori03 [73]
The answer is c) x>4
4 0
3 years ago
Help me pls don’t put random
Vladimir [108]
I think it’s A
Sorry if I’m wrong
4 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through (4, 9) and (6, 10).
kramer

Step-by-step explanation:

Slope (m) =ΔYΔX=12=0.5θ =arctan(ΔY)ΔX=26.565051177078°ΔX = 6 – 4 = 2ΔY = 10 – 9 = 1Distance (d) = √ΔX2 + ΔY2 = √5

= 2.2360679774998

4 0
2 years ago
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