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S_A_V [24]
4 years ago
12

The sum of 0.2 and 0.86

Mathematics
2 answers:
NeTakaya4 years ago
8 0

the sum answer is 1.06

arlik [135]4 years ago
6 0

first line up the decimals then add                    answer is 1.06

0.20+

0.86=

1.06

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Fynjy0 [20]
X, x+1, x+2, x+3 - four consecutive integers

x+x+1+x+2+x+3=682 \\
4x+6=682 \ \ \ |-6 \\
4x=676 \ \ \ |\div 4 \\
x=169 \\ \\
x+1=169+1=170 \\
x+2=169+2=171 \\
x+3=169+3=172

The integers are 169, 170, 171 and 172.
7 0
4 years ago
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A painter spends 3 hours working on a painting. A sculptor spends 2 and 2/3 times as long working on a sculpture. How long does
Anon25 [30]

Answer:

8 hours

Step-by-step explanation:

7 0
3 years ago
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Carolyn has $2.55 in her purse in nickels and dimes. The number of nickels is nine less than three times the number of dimes. Fi
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Hi, the answer is ;

Answer:

12 dimes and 27 nickels

Step-by-step explanation:

.05N + .1d = 2.55

N= 3d - 9

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0.15d - 0.45 + 0.1d = 2.55

0.25d = 2.55 + 0.45

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5 0
4 years ago
Simplest form of the expression -2x2(x – 5) + x(2x2 – 10x) + x is
Andrei [34K]
You first simplify the expression using PEMDAS
-2x^3-10x^2+2x^3-10x^2+x
then combine like terms,
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cancels out^
so the answer would be -20x^2+x
3 0
3 years ago
Calculate the area of this trapezium.<br> 7.9 cm<br> 6.2 cm<br> 10.8 cm
cestrela7 [59]

Answer:

A = 57.97 cm²

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h (a + b)

where h is the perpendicular height and a, b the parallel bases

Here h = 6.2, a = 10.8 and b = 7.9, thus

A = \frac{1}{2} × 6.2 × (10.8 + 7.9) = 3.1 × 18.7 = 57.97 cm²

5 0
3 years ago
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