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Jet001 [13]
3 years ago
7

-42-[(-30)]+[(-50)]​

Mathematics
2 answers:
irga5000 [103]3 years ago
6 0

Answer:

-62

Step-by-step explanation:

-42-[(-30)]+[(-50)]

-42-[-30]+[-50]

-42+30-50

-60

Hope this helps!

vagabundo [1.1K]3 years ago
3 0

Step-by-step explanation:

i try my best plz check it

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Help quickly plz!!
miskamm [114]
<h2>Explanation:</h2><h2 /><h3><u>PART 1. Using an algorithm:</u></h3>

<u>First expression:</u>

3 \times \frac{3}{4}

Step 1: Multiply numerators and denominators.

3 \times \frac{3}{4}=\frac{9}{4}

<u>Second expression:</u>

\frac{1}{4} \times \frac{2}{3}=\frac{2}{12}

Step 1: Multiply numerators and denominators.

3 \times \frac{3}{4}=\frac{9}{4}

<u>Third expression:</u>

1\frac{1}{3} \times 2

Step 1: Convert mixed fraction into improper fraction:

1\frac{1}{3} \\ \\ \\ Add \ whole \ and \ fractional \ part: \\ \\ 1+\frac{1}{3}=\frac{4}{3}

Step 2: Replace the improper form into the expression

\frac{4}{3}\times 2

Step 2: Multiply numerators and denominators.

\frac{4}{3}\times 2=\frac{8}{3}

<h3><u>PART 2. Using diagram:</u></h3><h3 />

The diagram is shown below. Basically the steps we follow are the same as if it were using algorithms.

3 0
3 years ago
Can someone pleaseee help me!!
Cloud [144]

Answer:

121

Step-by-step explanation:

180°-74° = 106°

106°= x-15°

106+15= X

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8 0
3 years ago
The expression 2x + 4 would be a ?
MrRa [10]
X = -2

subtract 4 on each side, then you’d get
2x = -4

divide by 2 on each side, and you’ll get -2
7 0
3 years ago
Debra purchased a prepaid phone card for $25 . Long distance calls cost 19 cents a minute using this card. Debra used her card o
algol [13]
We can take the equation,
0.19x + 21.58 = 25
0.19x = 25 - 21.58
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x = 3.42/0.19
x = 18

The answer is 18 minutes!
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3 0
3 years ago
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How are using graphs, equations, and tables similar when distinguishing between proportional and non-proportional situations?
Alona [7]
We can determine the differences between proportional and non-proportional situations or relationships. We all need to know that linear relationships can be represented as  tables, words, equation and graphs. Non-proportional relationship will affect the y-intercept in the graph and it will no longer than zero and the ratios in the table will not be proportional. 
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3 years ago
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