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Reil [10]
3 years ago
13

If 25% of a number p is 19, what is 15 of p

Mathematics
1 answer:
larisa86 [58]3 years ago
5 0

Answer:

19.7%

Step-by-step explanation:

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Solving Exponential and Logarithmic Equation In exercise,solve for x or t.See example 5 and 6.
Masja [62]

Answer:x=3/2

Step-by-step explanation:

Collect the like terms first

3ln x=8-6

3ln x=2

Divide both side by 3

ln x=2/3

Therefore x =1/(2/3)

x=3/2

7 0
3 years ago
Solve for x. 21/2x−3/4(2x+5)=3/8
Savatey [412]
Simplify \frac{21}{2}x
​2
​
​21
​​ x to \frac{21x}{2}
​2
​
​21x
​​
\frac{21x}{2}-\frac{3}{4}(2x+5)=\frac{3}{8}
​2
​
​21x
​​ −
​4
​
​3
​​ (2x+5)=
​8
​
​3
​​

2 Simplify \frac{3}{4}(2x+5)
​4
​
​3
​​ (2x+5) to \frac{3(2x+5)}{4}
​4
​
​3(2x+5)
​​
\frac{21x}{2}-\frac{3(2x+5)}{4}=\frac{3}{8}
​2
​
​21x
​​ −
​4
​
​3(2x+5)
​​ =
​8
​
​3
​​

3 Multiply both sides by 44 (the LCM of 2, 42,4)
42x-3(2x+5)=\frac{3}{2}42x−3(2x+5)=
​2
​
​3
​​

4 Expand
42x-6x-15=\frac{3}{2}42x−6x−15=
​2
​
​3
​​

5 Simplify 42x-6x-1542x−6x−15 to 36x-1536x−15
36x-15=\frac{3}{2}36x−15=
​2
​
​3
​​

6 Add 1515 to both sides
36x=\frac{3}{2}+1536x=
​2
​
​3
​​ +15

7 Simplify \frac{3}{2}+15
​2
​
​3
​​ +15 to \frac{33}{2}
​2
​
​33
​​
36x=\frac{33}{2}36x=
​2
​
​33
​​

8 Divide both sides by 3636
x=\frac{\frac{33}{2}}{36}x=
​36
​
​
​2
​
​33
​​
​​

9 Simplify \frac{\frac{33}{2}}{36}
​36
​
​
​2
​
​33
​​
​​ to \frac{33}{2\times 36}
​2×36
​
​33
​​
x=\frac{33}{2\times 36}x=
​2×36
​
​33
​​

10 Simplify 2\times 362×36 to 7272
x=\frac{33}{72}x=
​72
​
​33
​​

11 Simplify \frac{33}{72}
​72
​
​33
​​ to \frac{11}{24}
​24
​
​11
​​
x=\frac{11}{24}x=
​24
​
​11
​​
X=11 over 24
4 0
3 years ago
Read 2 more answers
What is 7490 times 3
faust18 [17]

22,470, because you look it up a calculator

7 0
3 years ago
Read 2 more answers
Explain how to determine (calculate) the perfect squares
frez [133]

Answer:A perfect square is a number which is generated by multiplying two equal integers by each other. For example, number 9 is a perfect square because it can be expressed as a product two equal integers being: 9 = 3 x 3.

Step-by-step explanation:

6 0
3 years ago
math question find what it tells you too first to answer will be the brainliest and prize or points is 40!
love history [14]

Answer:

I think it's 2.3

Step-by-step explanation:

The difference of the medians is 14, and the range for both of the heights is 6. 14 divided by 6 is 2.3333

6 0
3 years ago
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