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uysha [10]
2 years ago
6

5th grade math. Correct answer will be marked brainliest.

Mathematics
2 answers:
Vlad [161]2 years ago
7 0

Answer: The total mass of the coins in Sari's bag is 93.96 grams.

Step-by-step explanation: The half dollar mass is 11.54 grams × 4 half dollars= 45.36 grams and the dollar coin mass is 8.1 grams × 6 dollar coins=48.6 grams.

So we add half dollar and dollar coin masses: 45.36+48.6=93.96 grams, your total should be 93.96 grams, I hope your answer is very helpful, please mark me as brainliest, and have a happy holidays!!!!!!!!! :D

MA_775_DIABLO [31]2 years ago
5 0

Answer:

93.96

Step-by-step explanation:

11.54 (half dollar mass) x 4 half dollars = 45.36

8.1 (dollar coin mass) x 6 dollar coins = 48.6

 1

 45.36

<u>+48.6</u>

 93.96

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ladessa [460]
D

-2(-4+c)
-2 x -4= 8
-2 x c= -2c
8-2c
5 0
3 years ago
What are the roots of 12x = 9 + 5x2?
marusya05 [52]
Minus 12x both sides
0=5x^2-12x+9
use quadratic formula
for 0=ax^2+bx+c
x=

given
5x^2-12x+9
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c=9
remember: i=√-1 

3 0
3 years ago
Kate buys 2 lollies and 5 chocices for £6.50
kirill [66]

Answer:

50p

Step-by-step explanation:

pls mark brainliest! have a lovely day

7 0
2 years ago
P(x)-x^4-3x^2+kx where k is an unknown integer.
timurjin [86]

Answer:4

Step-by-step explanation:

P(2)

(2)

4

−3(2)

2

+k(2)−2

16−3⋅4+2k−2

2+2k

2k

k

​

=10

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​

5 0
3 years ago
Find the prime factorization of 120.
artcher [175]

Answer:

(7/8 - 4/5)^2 = 9/

1600

= 0.005625

Step-by-step explanation:

Subtract: 7/

8

- 4/

5

= 7 · 5/

8 · 5

- 4 · 8/

5 · 8

= 35/

40

- 32/

40

= 35 - 32/

40

= 3/

40

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(8, 5) = 40. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 8 × 5 = 40. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - seven eighths minus four-fifths = three fortieths.

Exponentiation: the result of step No. 1 ^ 2 = 3/

40

^ 2 = 32/

402

= 9/

1600

In words - three-fortieths squared = nine one-thousand six-hundredths.

7 0
2 years ago
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