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MakcuM [25]
3 years ago
15

Do it please..............h

Mathematics
2 answers:
katrin [286]3 years ago
8 0

Answer:

False

Step-by-step explanation:

-x^2+x is the same as x-x^2.

Only difference is the way it's written.

Crazy boy [7]3 years ago
7 0
False , if it was opposite the signs would have switched
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Eli started saving money in his empty piggy bank. He inserted $1 on every Monday, $2 on every Tuesday, $3 on every Wednesday, $4
Tanzania [10]

Answer:

Tuesday

Step-by-step explanation:

Given:

Monday: $1

Tuesday: $2

Wednesday: $3

Thursday: $4

Friday: $5

Saturday: $6

Sunday: $7

And after 24 days he had $93

____

So lets convert 24 days into weeks. A week has 7 days we divide 24/7 and get 3.42857 weeks or just have it as 3 weeks and 3 days.

24 days = 3 weeks and 3 days

Now we want to know how much does Eli make in 1 week, we add all the numbers 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28

Eli makes $28 in one week. And (28x3) in three weeks which is $84.

Now that we know that Eli made $84 in three weeks, we have three days left - now we calculate the difference.

93 - 84 = 9

Now these 9 dollars are split into three days. This means he started on Tuesday since Saturday is $7 and Monday is $1 and that sums it up to $8 and the first dollar was placed in his piggy bank on a Tuesday.

6 0
3 years ago
Please if anyone can help me
navik [9.2K]
I am unable to see the picture ( if you have one) try re uploading and I can help
6 0
3 years ago
Read 2 more answers
If “p: 2 + 2 =4<br> What is p?<br> 02x2=4<br> 02x2 + 4<br> 2+2 = 4<br> 02+2 4
olasank [31]

Answer:

26

Step-by-step explanation:

7 0
3 years ago
Element X decays radioactively with a half life of 13 minutes. If there are 530 grams of Element X, how long, to the nearest ten
Leona [35]

Answer:

t \approx 50.4\,min

Step-by-step explanation:

The time constant of the element X is:

\tau = \frac{13\,min}{\ln 2}

\tau = 18.755\,min

The decay function has the following form:

\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }

t = -\tau \cdot \ln \frac{m}{m_{o}}

t = -(13\,min)\cdot \ln \left(\frac{11\,g}{530\,g} \right)

t \approx 50.4\,min

6 0
3 years ago
Odette solved this problem:
Tju [1.3M]

<em>Answer:</em>

In Odette's solution, <u>7 is the number of </u>

<u>nickels</u> and 8 is the number of dimes

3 0
3 years ago
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