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yarga [219]
2 years ago
12

Do someone know how to do #9 & 10, help me please thank you!

Mathematics
1 answer:
GalinKa [24]2 years ago
4 0
Multiply first formula by 2, then do formula 1-formula 2
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List three examples of words/phrases that describe the mathematical operation of addition. (Example "Increased by") *
drek231 [11]

Answer:

Increased by, added, brought up (All I know of haha)

Step-by-step explanation:

Theres really no explanation to this other than learning your mathematical terms.

6 0
2 years ago
Hey there!<br> What is rational numbers and how can I multiple them??<br> Pls tell mee!!
Elza [17]

Answer:

Just like multiplying fractions

Step-by-step explanation:

Rational numbers are like fractions a/b  

and they are multiplied straight across

4      6      24    because 4 x 6 = 24

--  x  -- =  ------

5      7       35    because 5 x 7 = 35

8 0
2 years ago
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What is the value of x? Enter your answer in the box. x = °
Elodia [21]
Answer: 90°
Explanation: the sum of all the angles in a triangle = 180. So 70 + 30 = 90 and 180-90=90
3 0
2 years ago
Correct answers only please!
bezimeni [28]

Answer:

59%

Step-by-step explanation:

all work shown and pictured

6 0
3 years ago
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Sixty percent of what number is equal to 45 percent of 80?
Dovator [93]

Answer:

60

Step-by-step explanation:

60% * x = 45% * 80

Changing to decimal form

.60x = .45 *80

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Divide each side by .60

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x =60

6 0
3 years ago
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