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3 years ago

Please solve! thanks!

Mathematics

1 answer:

Kaylis [27]3 years ago

5 0

Answer:

5 7/11 - 2 1/5

62/11 - 11/5

LCM of 11 and 5 is 55

62/11 × 5/5 - 11/5 × 11/11

62 × 5 /55 - 11 × 11/55

310/ 55 - 121/55

310 - 121 /55

189/55

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Use zero property to solve the equation.<br> F(x)=3x(x+7)-2(x+7)

oksian1 [2.3K]

Answer:

x = -7 or x = 2/3

Step-by-step explanation:

I'm assuming you meant solve for x when f(x) = 0.

f(x) = 3x(x + 7) - 2(x + 7)

0 = (x + 7)(3x - 2) -- Both terms have a common factor of (x + 7) so we can group them

x + 7 = 0 or 3x - 2 = 0 -- Use ZPP

x = -7 or x = 2/3 -- Solve

7 0

3 years ago

PLEASE HELP (Giving Good Points!)

Vinvika [58]

Answer: q=16

Step-by-step explanation:

if we suppose q=16

(q+4)/2=10

$(16+4)/2=10\\20/2=10\\10=10$

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2 years ago

Which of the following equations is equivalent to log(y)= 3.994 ?

Kisachek [45]

Answer:

The correct answer is option D: $y = 10^{3.994}$

Step-by-step explanation:

Given:

log(y)= 3.994

Solution:

A logarithm base b of a positive number x satisfies the following definition:

$y =log_b(x) => b^y =x$

For $x > 0, b >0, b \neq 1$

Also if no base b is indicated, the base of the logarithm is assumed to be 10 .

Thus, in log(y)= 3.994 base b is not indicated. so its base is assumed to be 10

now

$log_{10}(y)= 3.994$

Then

$y = 10^{3.994}$

4 0

3 years ago

keli wants to sew trim around the sleeves and hem of a dance costume. she needs a piece of trim that is 8 1/8 inches long for th

Sav [38]

Answer:

1 15/16 ft

Step-by-step explanation:

40 5/8 + 8 1/8 = 48 6/8

There are 12 inches in a foot.

48/12 = 4

6/8 inch divided by 12 is 1/16 ft

3 0

3 years ago

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Help!! -4x=36 and pls show the work! thank youu

IRINA_888 [86]

Answer:

x=-9

Step-by-step explanation:

x=36/-4=-9

8 0

3 years ago

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