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ahrayia [7]
2 years ago
14

Explain why 82.5 + 8(0.25x) = 338.5 is equivalent to 82.5 + 2x = 338.5

Mathematics
2 answers:
VARVARA [1.3K]2 years ago
7 0

Answer:

Multiply 0.25x by 8

Step-by-step explanation:

82.5 + 8(0.25x) = 338.5

Multiply 0.25x by 8 we get,

8 × 0.25x = 2x

Thus, 82.5 + 2x = 338.5

<u>-TheUnknownScientist 72</u>

gtnhenbr [62]2 years ago
7 0

Commutative property states out that in multiplication, changing the order of the numbers still have the same product (the product remains the same)

So, we can rewrite 8(0.25x) as (8 x 0.25)x = 2x

So, 82.5 + 8(0.25x) = 82.5 + 2x

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A box contains orange balls and green balls the number of green balls is 10 more than five times a number of orange balls if the
Morgarella [4.7K]

Answer:

<u>There are 24 orange balls and 130 green balls in the box.</u>

Step-by-step explanation:

Let orange balls be x and green balls be y.

y = 10+5x

x+y = 154

y = 154-x

Now,

y=10+5x

or, 154-x = 10+5x

or, 154-10 = 5x+x

or, 144 = 6x

so, x = 24

Now,

y = 154-x

or, y = 154-24

so, y = 130

6 0
2 years ago
Use the table to identify values of p and g that can be used to factor X2 - x - 12
In-s [12.5K]

Answer:

D. 3 and -4

Step-by-step explanation:

Given the expression, x² - x - 12, let's factorise to find the value of p and q using the table, for which we would have the expression simplified as (x + p)(x + q)

From the table, let's find the values of p and q that would give us -12 when multiplied together, and would also give us -1 when summed together.

Thus, from the table given, the row containing the values of p(3) and q(-4) gives us = -1 (p+q) . p = 3, q = -4 would be our values to use to factor x² - x - 12, as multiplying both will also give us "-12".

Thus, x² - x - 12 would be factorised or simplified as (x + 3)(x - 4)

Therefore, the answer is: D. 3 and -4

5 0
3 years ago
What is the inverse of function f? A) B) C) D)<br> Plato
kap26 [50]

Answer:

(7x-3)/-1

Step-by-step explanation:

swap the x and y and then move the y by itself

x=(3-y)/7

7x=3-y

7x-3=-y

(7x-3)/-1=y

3 0
1 year ago
17 times 14 times 123
LUCKY_DIMON [66]

Answer:

29274

Step-by-step explanation:

Because 17*14=238 and 238*123=29274

8 0
3 years ago
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There are 9 classes of 25 students each, 4 teachers, and two times as many chaperones as teachers.
densk [106]

5 buses is the answer pls mark me brainliest

8 0
3 years ago
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