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Illusion [34]
2 years ago
14

Me ayudan por favor ​

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
4 0

Answer:

Step-by-step explanation:

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Find -4(3)+(-7) <br><br> What order should be preformed in this expression
Sergio [31]

Answer:

-19

Step-by-step explanation:

  • According to bedmas rules, we have to first solve the brackets.

-4(3)+(-7)

-12 + (-7)

  • Now, let's add

-12 + (-7)

-12 - 7

= -19

8 0
2 years ago
8. Jordan has $11.40 to spend at the used book store. Each book costs $280. How many books can Jordan buy?​
inysia [295]

Answer:

0

Step-by-step explanation:

Jordan hasn't got enough money to buy any books, as $11.40<$280.

7 0
2 years ago
Read 2 more answers
Write 4x = 1024 in logarithmic form. A) logx1024 = 4 B) log41024 = x C) logx4 = 1024 D) log10241024 = x
Step2247 [10]
<span>The answer would be B) log4 1024 = x

The logarithmic form can be explained as

</span>log_{A}<span> B=C   -----> A^C=B

Using </span>A^C=B to the question (4^x=1024) will result
A=4
B=1024
C=x

If you put the variable into logarithmic form
log_{A} B=C
log_{4} 1024= x
6 0
3 years ago
Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like re
boyakko [2]
First  calculate that numeric value. It cannot be done immediately without calculations.

if 85% of studends liked mystery that means that 100% - 85% = 15% didnt like.

Those 15% are 30 that were given in text. Now we can calculate this using proportion:

15%        30 students
85%         x students

we use cross multiplication:
15*x = 30*85
x = 30*85/15
x = 170

Answer is 170
8 0
3 years ago
Ava opens an account with $400. She deposits $200/month for 20 years. The interest rate is 2.15%. How much interest will she hav
artcher [175]

Answer:

  d.  None of the above

Step-by-step explanation:

We assume the sequence of deposits is ...

  month 0: $400

  month 1: $200

  month 2: $200

...

  month 240: $200 . . . . accumulated interest is determined at this point

That is, no interest is earned on the last deposit.

_____

The value of the initial $400 deposit after 20 years at 2.15% interest compounded monthly is ...

  $400×(1 +.0215/12)^(12×20) = $400×1.536666 ≈ $614.67

The value of the $200 annuity at the same interest rate is ...

  $200((1 +.0215/12)^(12×20) -1)/(.0215/12) = $200×299.534612 ≈ $59,906.92

So, the total account value is ...

  $614.67 +59,906.92 = $60521.59

The total amount deposited was ...

  $400 +$200×240 = $48,400

The interest earned is the difference between the account value and the total of deposits:

  $60,521.59 -48,400 = $12,121.59 . . . . interest earned

This value does not match any numerical answer choice, so we conclude the appropriate answer is ...

   None of the above

3 0
2 years ago
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