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Zepler [3.9K]
3 years ago
9

44% of what number is 25?

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
4 0
Hi

x is 100%
25 is 44%

x/100 = 25/44
44x = 25·(100)
44x = 2500
x = 2500/44
x = 56.82

44% of 56.82 is 25
Oduvanchick [21]3 years ago
4 0
We set up a proportion: 25/?= 44/100

Cross multiply: 44*?= 25*100
⇒ ?= 25*100/44= 56 9/11

44% of 56 9/11 is 25.
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Which statements about the graph of the function f(x) = -x - 4x + 2 are true? Select three options.
stich3 [128]

Answer:

The option "The function has a positive y-intercept" is true because f(0) = 2, which is the y-intercept.

Step-by-step explanation:

5 0
3 years ago
A cashier has 26 bills consisting of three times as many ones as fives, one less ten than fives, and the rest twenties. If the v
monitta
Let number of  fives = x then number of ones = 3x  and number of tens = x - 1

so we can create the equation 

x + 3x +  x-1 + y = 26  where y = number of twenties
so
5x + y = 27

also we have the equation 

5x + 3x + 10(x - 1) + 20y = 120

18x + 20y = 130..................................(1)
5x    + y    = 27     multiply  by -20:-
-100x - 20y = -540..............................(2)
Adding equation (1) and (2)
-82x = -410
x  = 5,  that is  5 fives

Now plug x = 5 into equation 1:-
18(5) + 20y = 130
20y =  40
y =  2 ,   that is 2 twenties

So the answer is   there are (3x) = 15 ones , 5  fives, 4 tens and 2 twenties
7 0
3 years ago
Multiply
Cloud [144]

Answer:

12 x^4 + 18 x^3 - 9 x^2 thus D is the correct answer.

Step-by-step explanation:

Expand the following:

3 x^2 (4 x^2 + 6 x - 3)

3 x^2 (4 x^2 + 6 x - 3) = 3 x^2 (4 x^2) + 3 x^2 (6 x) + 3 x^2 (-3):

3 4 x^2 x^2 + 3 6 x^2 x - 3 3 x^2

3 (-3) = -9:

3 4 x^2 x^2 + 3 6 x^2 x + -9 x^2

3 x^2×6 x = 3 x^(2 + 1)×6:

3 4 x^2 x^2 + 3×6 x^(2 + 1) - 9 x^2

2 + 1 = 3:

3 4 x^2 x^2 + 3 6 x^3 - 9 x^2

3×6 = 18:

3 4 x^2 x^2 + 18 x^3 - 9 x^2

3 x^2×4 x^2 = 3 x^4×4:

3×4 x^4 + 18 x^3 - 9 x^2

3×4 = 12:

Answer:  12 x^4 + 18 x^3 - 9 x^2

6 0
3 years ago
Cobalt-60 is used in the treatment of cancer. A sample contains 8 grams of Co-60 where k = 0.1308
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3 years ago
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Please help!!! ABCD is a square with diagonals intersecting at E. What is the length of BE
Snezhnost [94]

Answer:

BE = 4\sqrt2

Step-by-step explanation:

Given

The attached square

Required

Find BE

First, we calculate BD (the diagonal) using Pythagoras theorem.

BD^2 = BA^2 + AD^2

Since the shape is a square, then

BA = AD = 8

So:

BD^2 = 8^2 + 8^2

BD^2 = 2(8^2)

Take square roots

BD = \sqrt{2(8^2)

BD = \sqrt{2} * 8

BD = 8\sqrt{2}

BE is half BD.

So:

BE = \frac{1}{2} * BD

BE = \frac{1}{2} * 8\sqrt2

BE = 4\sqrt2

8 0
2 years ago
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