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miskamm [114]
3 years ago
12

The sum of 18 +45 is a multiple of which sum?

Mathematics
1 answer:
forsale [732]3 years ago
6 0

Answer:

B. (2 + 5).

Step-by-step explanation:

18 + 45 = 63

The prime factors of 63 = 3*3*7

So 63 is a multiple of 7.

The answer is (2 + 5)  (=7).

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Which would be used to solve this equation? Check all that apply.
puteri [66]

Answer:

multiplying both-side of the equation by 3

substituting 36 for p to check the solution

Step-by-step explanation:

To solve the equation p/3 = 12, we will follow the steps below;

first multiply 3 to both-side of the equation, that is:

p/3 × 3 = 12 × 3

On the left-hand side of the equation, 3 at the numerator will cancel-out 3 at the denominator, leaving us with just p while on the right-hand side of the equation 12 will be multiplied by 3

p= 36

To check the correctness of the equation, we can substitute p = 36 back into the equation and then check, that is;

p/3 = 12

36/3 = 12

This implies p = 36 is correct

3 0
3 years ago
HELP PLS!!!! IM GONNA GIVE YOU THE BRANLIEST ANSWER!!!
djverab [1.8K]

Answer:

25

Step-by-step explanation:

By counting the height ( frequency ) of each block and adding gives the number of students in total

20 - 24 → 5

24 - 28 → 6

28 - 32 → 5

32 - 36 → 2

36 - 40 → 7

Total = 5 + 6 + 5 + 2 + 7 = 25

4 0
3 years ago
in 2004, 11.65 million people between the ages of 18 and 24 voted ( compared to 47.3 million voters between the ages of 45 and 6
QveST [7]
Namely, what is 11.65 in percentage from 24.9

if we take 24.9 to be the 100%, let's see

\bf \begin{array}{ccllll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
24.9&100\\
11.65&x
\end{array}\implies \cfrac{24.9}{11.65}=\cfrac{100}{x}

solve for "x".
4 0
2 years ago
23X67 Estimate then find the prouduct
kumpel [21]
To estimate, you would usually round to a significant figure
so, 20* 70=1400

The actual answer is 1521, so we know we are close
3 0
3 years ago
Equation of y-intercept -1 parallel y=-1/2x-4
Lerok [7]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

According to the statement we have the following equation:

y = - \frac {1} {2} x-4

The slope is:

m = - \frac {1} {2}

By definition, if two lines are parallel then their slopes are equal. Thus, a parallel line will have slopem = - \frac {1} {2}. Therefore, the equation will be of the form:

y = - \frac {1} {2} x + b

In the statement they tell us thatb = -1, substituting we have:

y = - \frac {1} {2} x-1

Answer:

The equation is:

y = - \frac {1} {2} x-1

3 0
3 years ago
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