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zheka24 [161]
2 years ago
11

Which inequality does the graph represent (pls I’m HORRIBLE at number lines so please answer both if possible, Ty)

Mathematics
1 answer:
notsponge [240]2 years ago
3 0

Answer:

For #11 it is X≥-2.  For #12 it is X<-1 I think

Step-by-step explanation:

I hope this helps you and please mark me as brainliest

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if x is the first, or smallest, of three consecutive integers, express the sum of the integer and the third integer as an algebr
Scrat [10]

Consecutive numbers differ by one. So, if x is the first, the three numbers are

x,\ x+1,\ x+2

The sum of the first and third integer is

x+(x+2)=2x+2

5 0
3 years ago
Strontium-90 has a half-life of 28.8 years. If you start with a 300-gram sample of strontium-90,
Kazeer [188]

Answer:  2.66 × 10⁻¹³

<u>Step-by-step explanation:</u>

First, use the decay formula   A=A_oe^{kt}   where

  • A is the final amount (amount left)
  • A₀ is the initial amount (amount you started with)
  • k is the rate of decay (you need to solve for this)
  • t is the time

Given:

  • A = 1/2(300) = 150
  • A₀ = 300
  • k = unknown
  • t = 28.8

150=300e^{28.8k}\\\\0.5=e^{28.8k}\\\\ln(0.5)=ln(e^{28.8k})\\\\ln(0.5)=28.8k\\\\\\\dfrac{ln(0.5)}{28.8}=k\\\\\\\large\boxed{-0.0240676=k}\\

Next, input the k-value and the new t-value to solve for A.

  • A = unknown
  • A₀ = 300
  • k = -0.0240676
  • t = 1440

A=300e^{1440(-.0240676)}\\\\\large\boxed{A=2.66\times 10^{-13}}\\

5 0
3 years ago
Multiply. Write your answer as a fraction in simplest form. −1/4×(−4/3)=
Sophie [7]

Answer:

\frac{1}{3}

Step-by-step explanation:

Given

- \frac{1}{4} × - \frac{4}{3} ( negative times negative = positive )

= \frac{1}{4} × \frac{4}{3} ( cancel the 4 on the numerator and denominator )

= \frac{1}{3}

5 0
3 years ago
|
dedylja [7]
Right there 125677 on the left you go 4 ahhbsn

6 0
2 years ago
16x − 7 ≤ −71<br><br> find x
My name is Ann [436]
16x-7≤-71
Add 7 to both sides
16x≤-64
Divide both sides by 16
x≤ -4

Hope this helps! :)
7 0
3 years ago
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