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3 years ago

Descibe how you would find the sum of 24,36, and 13. PLEASE HELP DUE TONIGHT

1 answer:

n200080 [17]3 years ago

7 0

2436 + 13 = 2449. you would count up 13 from 2436, or using the way I do it, since there are to digits in 13, and the 1 is in the second digit, add 1 to the second digit of 2436, so the 3. this makes 4 in that place. then all you have left is to add 3 to 6, making 9. so you are left with 2449. Plz plz plz give me brainiest answer I only need 4 more to rank up. If u do I will show my work.

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What method most efficient to use to solve x^2+4x+3=0

Alik [6]

My recommendation would be to factor..
x² + 4x + 3 = 0 factor the left side into two binomials
(x + 3)(x + 1) = 0 set each of these binomials equal to zero and solve

x + 3 = 0 Implies x = -3
x + 1 = 0 implies x = -1

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3 years ago

Which expression is equivalent to 2.2 − 0.5(0.6x − 1.8) ?

VARVARA [1.3K]

Answer:

the answer is D 3.1 − 0.3x

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2 years ago

Which number is irrational? Is 2 correct? And please help on 3 I don’t understand this :(

snow_lady [41]

Answer:

Im pretty sure the 3rd choice on #2 is an irrational number...

Step-by-step explanation:

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3 years ago

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I need help, can someone tell me the answer to 13x + 3 - 7x - 1? Please and thank you.

Yuki888 [10]

Answer:

6x+2

Step-by-step explanation:

your combine like terms...

so 13x is teh same as -7x

13x-7x= 6x

3 and -1 are the same as well

3-1=2

so teh answer would be

6x+2

3 0

2 years ago

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A rectangular image of length 5 cm and width 7 cm is magnified in a studio. On magnification, 1 cm of the image represents 15cm.

Andre45 [30]

Answer:

238 cm

Step-by-step explanation:

so we have a scale factor of 17: 1

originally we had the dimensions: 3cm by 4m

now we have 3*17 by 4*17 = 51 cm by 68 cm

Perimeter = 2*51 + 2*68 = 238 cm

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1 year ago

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