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Elis [28]
3 years ago
7

Help me please please

Mathematics
1 answer:
vladimir2022 [97]3 years ago
7 0

Answer:

a. 45 + 20x

   30 + 26x

b. 2.5 hours

c. 95

Step-by-step explanation:

45 + 20x = 30 + 26x

subtract 30 from both sides of the equation

15 + 20x = 26x

subtract 20x from both sides of the equation

15 = 6x

divide 6x on both sides of the equation

2.5 = x

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it will take her 6 weeks

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Distributive property to express 16+48
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In terms of distributive property you factor the problem out to:
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Can someone explain how to do these. Also on number 2, how do u find the ratio ?
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9514 1404 393

Answer:

  2. D

  3. B

  4. D

  5. A

Step-by-step explanation:

2. Write the ratio using the given words, then fill in the corresponding numbers. Factor out the greatest common factor.*

  soccer players : volleyball players = 84 : 36 = 12·7 : 12·3 = 7 : 3

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3. The <em>angle bisector</em> has angle marks on either side of it. The only angle marks are at angle G, where GL is the bisector.

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4. The <em>median</em> is drawn from a vertex to the midpoint of the opposite side. The only side with a midpoint marked is IG with midpoint J. The median is HJ.

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* For larger numbers, or ones whose factors you aren't familiar with, it can be useful to know Euclid's method for finding the greatest common factor (GCF). Divide the larger number by the smaller and keep the remainder. If the remainder is 0, the smaller is the GCF. If not, replace the larger number with the remainder and repeat.

Here, that looks like ...

  84 / 36 = 2 r 12

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\implies {\blue {\boxed {\boxed {\purple {\sf { \:  (x + 6)(x - 8)}}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

{x}^{2}  - 2x - 48

=  {x}^{2}  - 8x  +  6x - 48

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=x \: ( \: x - 8 \: )  +  6 \: ( \: x  - 8 \: )

Taking the factor (x-8) as common,

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\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

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