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Lunna [17]
3 years ago
14

State whether each equation is true or false 2(4+5)=13

Mathematics
2 answers:
Mandarinka [93]3 years ago
5 0
2(4+5)
2(9)
18

18 does not equal 13.
Final answer: False

Remember to solve by working within parentheses first according to the order of operations.
Sergeeva-Olga [200]3 years ago
4 0
False 2(4+5)=13 equal 18
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A corner of a rectangle is cut, creating a trapezoid.
forsale [732]

Answer:

the last option of 135°.

Step-by-step explanation:

The total degree of the rectangle is 360°. But it was sliced, so with the remaining measurements, subtract each of them from 360°.

90°+90°+45°+x°=360°

225°+x°=360°                 add all of the values on the left side, then subtract 225 on both sides to solve for the value of x°.

x°=135°

4 0
2 years ago
Sofia's taco truck lets customers choose 3 ingredients from the list below to add to their tacos. How many groups of 3 different
DIA [1.3K]

Using the combination formula, and considering that the list has 6 ingredients, it is found that 20 groups of 3 different ingredients can go on a taco.

The order in which the ingredients are chosen is not important, hence, the <em>combination formula</em> is used to solve this question.

<h3>Combination formula: </h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, 3 ingredients are chosen from a set of 6, hence:

C_{6,3} = \frac{6!}{3!3!} = 20

20 groups of 3 different ingredients can go on a taco.

To learn more about the combination formula, you can take a look at brainly.com/question/25990169

4 0
2 years ago
12
Alekssandra [29.7K]

Answer:

distributive proper

Step-by-step explanation:

mulitiply

7 0
2 years ago
PLEASE MAKE SURE HELP ME!
bulgar [2K]

Answer:

1. The first problem is wrong, it should be 0.5(3(15) + 2(20)) because the parentheses make sure that every purchased item is being divided by 2 (multiplying by 0.5 is the same as dividing by 2)

2. The second problem is partially correct. The first two answers you have checked are correct, but the last one is wrong. The third answer should be 6 + 12 instead because that's just a simplified version of 2(3) + 6(2), meaning they are equal

3. I cannot read your answers in the "Why or Why Not" column in the third problem, but the answers you gave in the "Evaluate" and "Does It Work?" columns are all correct.

7 0
3 years ago
Drag the numbers to order them from greatest to least, with the greatest at the top.
astraxan [27]

Step-by-step explanation:

5.03709

4.923935

√17

√12

4 0
2 years ago
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