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3 years ago

Can anyone match these vocab words? Please

Mathematics

1 answer:

Anna [14]3 years ago

7 0

6: G
7: D
8: F
9: B
10: E

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What is 2/9 = 4/x+8 i dont get this fraction solving

Dmitriy789 [7]

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$\frac{2}{9} = \frac{4}{x + 8} \\$

$\frac{4}{x + 8} = \frac{2}{9} \\$

Inverse both sides

$\frac{x + 8}{4} = \frac{9}{2} \\$

Multiply sides by 4

$4 \times \frac{x + 8}{4} = 4 \times \frac{9}{2} \\$

$x + 8 = 2 \times 9$

$x + 8 = 18$

Subtract sides 8

$x + 8 - 8 = 18 - 8$

$x = 10$

Done...

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3 years ago

How do I solve problems like this? <br><br> X + 1/2 = 4/6

andrezito [222]

Answer:

1/3

Step-by-step explanation:

pic bleow

also can u help or someone

draw three cells in parallel, two light bulbs (loads) in series, with one switch.

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2 years ago

There are 54 students in a class. The Venn diagram below shows how many students play a sport, take a foreign language, do both,

andrew11 [14]

Doesn't play sport

Plays sport |

| |

V V

Takes language | 21 | 17 |

-----------------

Doesn't take language | 12 | 4 |

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3 years ago

Omar runs 7 miles in 50 minutes at the same rate how many miles but here in 75 minutes

strojnjashka [21]

Answer:

10.5

Step-by-step explanation:

7miles÷50min=.14

.14×75 minutes= 10.5

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3 years ago

The ratio of green pepper plants to red pepper plants in Joe's garden is 2:7. If Joe has 20 more red pepper plants than green pe

Marta_Voda [28]

I found that Joe has 28 red pepper plants and 8 green pepper plants.

to find this, I first set up a proportion:
7/2 = (20+x)/x

then you cross multiply giving you:
7x = 40 + 2x

Subtract 2x from both sides:
5x = 40

solve for x:
x = 8 (which is the amount of green pepper plants)

to find how many red pepper plants he has, plug in x for (20 + x) giving you 28 red pepper plants

Hope I helped :)

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3 years ago