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MArishka [77]
2 years ago
6

Calculate 87 more than 12

Mathematics
2 answers:
lbvjy [14]2 years ago
6 0

Answer:

99

Step-by-step explanation:

We can split this up by doing the tens and then the ones.  12 = 10 + 2, so we have 87 + 12 = 87 + 10 + 2 = 97 + 2 = 99.

OlgaM077 [116]2 years ago
3 0
The answer would be 99 hope this helps
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Derek measured the height of a window frame as 5.49 feet, but the actual height was 6 feet. What is the percentage of error in D
KIM [24]
Actual = 6 feet.

Measure = 5.49 feet

Error = 6 - 5.49 = 0.51

% Error = (Error / Actual) * 100% 
 
              = 0.51/6 * 100% = 8.5% 
 
5 0
3 years ago
Katherine v
maks197457 [2]

Answer:

13/102

Step-by-step explanation:

In a standard deck of 52 cards, there are 13 black spades, 13 black clubs, 13 red diamonds and 13 red hearts. There are 26 <u>black </u>cards in the deck of 52 cards.

Probability of drawing a black card = 26/52 = 1/2

Suppose we drew the black card. There are now <u>only 51</u> cards left in the deck. ALL of the hearts are still there - <u>13</u> of them.

Probability of drawing a heart from this deck of 51  = 13/51

In general, for the probability of event A <u>and then</u> event B, we multiply.

1/2 x 13/51 = 13/102

6 0
2 years ago
Please answer quickly!!!!
Natalka [10]
The volume of the rectangular prism can be found with the formula
v= length × width × height
V = 10×10×30 = 3000

the volume of the triangular prism can be found with
v = 1/2(base×width×height)
v=1/2×30×9×10 = 1/2×2700
v = 1350

Now add the two volumes together for the total volume...

3000+1350 = 4,350 in^3
5 0
3 years ago
A piggy bank contains 80 nickels and dimes the value of the coins is 5.15
dimaraw [331]
Answer: the amount of dimes is $1.15 this is also equivalent to 11 dimes and an extra nickel.

Explanation:

80 nickels =$4.00
$5.15-$4.00= $1.15
11 dimes= $1.10
1 nickel= $0.05
$1.10+$0.05= $1.15


hope this helps! :)
5 0
2 years ago
Y
Nadusha1986 [10]

Answer:

1

Step-by-step explanation:

(1,1) to (2,2) and (2,2) to (3,3) and so on is (1,1)

6 0
2 years ago
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