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Dafna1 [17]
3 years ago
12

A student answer 86 problems on a test correctly and received a grade of 98% how many problems were on the test if all the probl

ems worth the same number of points
Mathematics
1 answer:
adoni [48]3 years ago
6 0

Answer:

87 or 88

Step-by-step explanation:

86 is 98% of 87.755102

So, the number of problems must have been 87 or 88

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Which step comes first -b-2<8
Bingel [31]

Answer:

Step-by-step explanation:

Alright so the step that comes first is adding two to both sides.

Let me show you,

Step 1

-b-2<8  Add 2 to both sides

-b<10

Then you divide the sides by -1

-b<10

b>-10

3 0
3 years ago
The sum of 5 consecutive even numbers is 216. What is the third number in the sequence
alexandr1967 [171]

Hello from MrBillDoesMath!

Answer:  NO solution possible!


Steps:

Let "n" be the first even number. We are told that


n + (n+2) + (n+4) + (n+6) + (n +8)  = 216


The third number, the value we want, is boldfaced above.


Simplify the above equation:

5n + ( 2 + 4 + 6 + 8 ) = 216   or


5n +  20  = 216  or

5n = 196


n = 196/5   is NOT an integer value.  This problem, as stated, has no solution.

Regards, MrB

4 0
4 years ago
A + b + c when a = 7, b = -3, and c = -4<br>​
Dafna1 [17]

Answer:

0

Step-by-step explanation:

7+(-3)+(-4)=

4-4=0

4 0
3 years ago
Read 2 more answers
A chemist is using
olga_2 [115]
0.191= 19.1%

338mL × 0.191= 64.558mL acid


We round to the nearest tenth, getting a total of 64.6mL acid.


4 0
3 years ago
Read 2 more answers
Angie borrowed $1,485 to purchase a new laptop for the veterinarian’s assistant. The interest on the loan was 7.75%. How much in
Paladinen [302]

Answer:

$2761.92

Step-by-step explanation:

1485 times .775 gives you $115.08 per month

115.08 times 24 gives you $2761.92 of total interest.

Mark me as brainliest if this helps!

4 0
3 years ago
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