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IgorC [24]
3 years ago
5

7 is 25% of what number? HELP WILL GOVE LOT POINTS

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
3 0
Twenty eight is 100%
ollegr [7]3 years ago
3 0

Answer:

28

Step-by-step explanation:

if 25% of X is 7, then that means (1/4)x =7

4*(1/4)x=7*4 = 1x=28

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A and b are positive integers and a–b = 3. Evaluate the following:
yulyashka [42]

1/27

1/27

125

Step-by-step explanation:

Given that,

a - b = 3

9^(1/2b) /3^a = 3^(2/2b) /3^a

= 3^b/3^a

= 3^(b-a)

= 3^(-3)

= 27^(-1)

= 1/27

27^(1/3b) /9^(1/2a) = 3^(3/3b) /3^(2/2a)

= 3^b/3^a

= 3^(b-a)

= 3^(-3)

= 27^(-1)

= 1/27

125^(1/3a) /25^(1/2b) = 5^(3/3a) /5^(2/2b)

= 5^a/5^b

= 5^(a- b)

= 5^3

= 125

6 0
3 years ago
Use your calculator to select the best answer below:
bixtya [17]

Answer:

-2\sqrt{a}

Step-by-step explanation:

\lim_{x \to a} \frac{a-x}{\sqrt{x} -\sqrt{a} } \\ =-\lim_{x \to a} \frac{x-a}{\sqrt{x} -\sqrt{a} }  \\=-\lim_{x \to a} \frac{(\sqrt{x} -\sqrt{a})(\sqrt{x} +\sqrt{a})}{\sqrt{x} -\sqrt{a} }  \\=- \lim_{x \to a} \sqrt{x} +\sqrt{a}\\=-2\sqrt{a}

6 0
3 years ago
SHOW YOUR WORK. 44.22 divided by (-6.7) and -6.46 divided by 0.04​
zimovet [89]

Answer: -6.6 and -161.5

Step-by-step explanation: 44.22/-6.7=-6.7 -6.46/.04=-161.5 <——- not to sure about that one

3 0
3 years ago
3 SUPER hard math questions HELP!
tigry1 [53]
The first one is 10.5
The second is y10
And the third is 7
8 0
3 years ago
What is the slope-intercept form of 12x + 4y = 32?
Aleks04 [339]

Answer:

y = -3x + 8

Step-by-step explanation:

7 0
3 years ago
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