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Marina86 [1]
3 years ago
14

2/3 + (-5/6) - (-1/2)

Mathematics
1 answer:
mart [117]3 years ago
8 0

The answer would be 0.03
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Solve x42=37 x 42 = 3 7 using two different strategies. Explain each strategy.
Dafna11 [192]

Given equation : \frac{x}{42}=\frac{3}{7}.

Strategy 1: We can cross mutiply both sides remove fraction form.

On cross multiplication, we get

x * 7 = 3 * 42

7x = 126.

Dividing both sides by 7, we get

<h3>x = 18.</h3>

Strategy 2: We can find least common denominator(lcd) of both sides and multiplying both sides by that lcd to get rid denominators from both sides.

LCD of 42 and 7 is 42.

Therefore, multiplying both sides by 42, we get

42\times \frac{x}{42}=42\times\frac{3}{7}

x = 6 * 3

<h3>x = 18.</h3>
4 0
3 years ago
WILL GIVE BRAINLIEST! PLEASE HELP ASAP!
sergejj [24]

Answer:

D

Step-by-step explanation:

I'll it explain it as soon as it sends

20 x 4 - 100 ÷ 5

Pemdas First parenthesis then multiplica or division and the addition or subtraction. Everything from left to right

first multiplication

80 - 100 ÷ 5

Then division

80-5

then subtraction

75

7 0
3 years ago
Read 2 more answers
6 in 7 21 in 14 in 8 in​
yulyashka [42]
I think this is find the LCM, so the answer would be 168
8 0
3 years ago
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Snezhnost [94]
Each girl will get 4 tangerines
8 0
3 years ago
Allison wants to buy a game that costs $120. She has saved $30 for the game. She earns $5 per hour babysitting.
sergey [27]

Answer:

Step-by-step explanation:

<em>Cost of game = $120</em>

<em>Current savings = $30</em>

<em>Rate for babysitting (per hour) = $5/hour</em>

<em></em>

<em>So, required equation is :-</em>

<em>120 = 5h + 30</em>

<em>5h = 90</em>

<em>h = 18</em>

<em></em>

<em>She must make $90 by babysitting for 18 more hours.</em>

7 0
2 years ago
Read 2 more answers
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