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devlian [24]
3 years ago
11

Give me the answer for question 3 please

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0
Try calculating each of these yourself: 

<span>First, 34(58 + 9) = 34(67) = 2278 </span>

<span>A. 34 x 67 = 2278 </span>

<span>B. 58(34 + 9) = 58(43) = 2494 </span>

<span>C. 34 x 58 + 34 x 9 = 34 x (58 + 9) = 34 * 67 = 2278 </span>

<span>D. 1,972 </span>

<span>So the answer is B and D are not equal to 34(58 + 9).

Hope I helped! If you need anything else just ask!</span>
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You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 2x - 3y = 12
suter [353]

Answer:

A.

Step-by-step explanation:

The Elimination Method is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.

If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multiplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of the equation)

6 0
2 years ago
Four and two thirds add one and three fourths
Allushta [10]

Answer:

4 2/3 + 1 3/4 = 6 5/12

3 0
3 years ago
The resultant of two forces acting on a body has a magnitude of 80 pounds. The angles between the resultant and the forces are 2
kifflom [539]
<span>The basic idea is that you form a parallelogram with those two vectors as the two different side lengths another way to see it: start at the tip of one vector and move in the same direction as the other vector (and the same length as the other vector)

</span><span>With any parallelogram, the adjacent angles are supplementary</span>

180-52-20= 108 degrees
5 0
2 years ago
Two times antonio's age plus three times Sarah's age equals 34. Sarah age is also five times antonio's age . How old is Sarah?
Sergio039 [100]
Let Sarah's age be s and Antonio's age be a.

According to your question,

2a + 3s = 34
s = 5a

substituting the value of s in eq. 1,

2a + 3(5a) = 34

= 2a + 15 a = 34

17a = 34

thus, a = 34/17 = 2

substituting the value of a is s,

s = 5(2)
= 10

Thus, Sarah's age is 10 years and Antonio's age is 2 years.
6 0
2 years ago
Each day that Samantha rides the train to work, she pays $4.00 each way. If Samantha takes the train to work and back 3 times, w
deff fn [24]

Answer:

Total ticket expenses = $24

Step-by-step explanation:

Given:

Each way cost = $4

Total ways = 3 x 2 = 6 times

Find:

Total ticket expenses

Computation:

Total ticket expenses = Each way cost x Total ways

Total ticket expenses = 4 x 6

Total ticket expenses = $24

3 0
2 years ago
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