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telo118 [61]
2 years ago
8

There were 7 cats and 3 cats ran away how many are left?

Mathematics
2 answers:
IRINA_888 [86]2 years ago
8 0

Answer:

4

Step-by-step explanation:

7-3=4

andre [41]2 years ago
7 0

Answer:

4

Step-by-step explanation:

4 is correct because 7-3=4, or 3+4=7

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How many triangles can be constucted measuring 60°, 60°, and 40°​
Anna35 [415]

Answer:

None, the sum of those angles does not equal 180 degrees

5 0
2 years ago
Read 2 more answers
Can you form an equation I can use to figure out how many 600 dollar checks it would take me to pay for a 13,100 bill and how lo
kari74 [83]

Answer:

{x =  <  \sqrt{ \geqslant  \frac{6x03 \geqslant 660}{?} } }^{2}

7 0
2 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
Suppose vanilla beans cost $600 per kilogram. Julie bought 9 grams of vanilla beans. Jacques bought 70 grams of vanilla beans.
GenaCL600 [577]
The Correct option is 36.60
Step-by-step explanation:
The key to solving this question lies
around measurement
conversion,specifically converting
grams into its equivalence in
kilograms.
1000 grams equal one kilogram
9 grams=9/1000 kg
9 grams=0.009 kg
70 grams=70/1000 kg 1000 grams equal one kilogram
9 grams=9/1000 kg
9 grams=0.009 kg
70 grams=70/1000 kg
70 grams=0.07 kg
Julie pays=$600*0.009=$5.4
Jacques pays=$600*0.07=$42
Jacques pays $36.60 more ($42-
$5.4) than Julie paid
Option is wrong because that was Jacques pays=$600*0.07=$42
Jacques pays $36.60 more ($42-
$5.4) than Julie paid
Option is wrong because that was
what Julie paid
Option D is wrong because that was
what Jacques paid
Option B is obviously wrong
4 0
2 years ago
FIRST CORRECT ANSWER GETS BRAINLIEST AND 15 POINTS
erica [24]

Answer:

6

Step-by-step explanation:

The x-axis of point A is 3, multiplied by the scale factor of 2 equals 6. Which means the x-axis of point A' would be 6.

7 0
2 years ago
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