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Sergeeva-Olga [200]
3 years ago
11

Which expression is equal to x + (y + z)?

Mathematics
2 answers:
shusha [124]3 years ago
8 0

Answer: the answer would be A not C.

Step-by-step explanation:

arsen [322]3 years ago
5 0
X+(y+z) is equal to saying (x+y)+z

This is called the cumulative property when order doesn’t matter or doesn’t change the equation. As in 1+2 is the same as 2+1. No matter which way we get the same answer. This only works with multiplication and addition though. Hope this helps. Any questions please just ask!! Thank you so much!!
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Which answer choice is the best first st 2y – 6 = -1 ? pls help asap​
natima [27]

Answer:

y=2.5

Step-by-step explanation:

2y-6=-1

add 6 to negative 1 so that the 2y is all by itself

2y=5

divide 5 by 2

y=2.5

4 0
3 years ago
Read 2 more answers
45% of all 1st graders at Sierra Elementary School are female students. This year there are 54 female 1st graders at Sierra Elem
Anit [1.1K]

Answer:

There are 120 1st graders at Sierra Elementary School this year

Step-by-step explanation:

Let n represent the total number of 1st graders at Sierra Elementary School

Since 45% of all 1st graders at Sierra Elementary School are female students and this year there are 54 female 1st graders, 45% of n is equal to 54

→ n(\frac{45}{100}) = 54

→ 45n = 5400

→ n = 120

3 0
2 years ago
Read 2 more answers
Why Did the Piano Player Bang Her
Sedbober [7]

The circumference of a circle that was computed when the diameter is 3cm will be 9.426cm.

<h3>How to find the circumference?</h3>

The circumference of a circle of gotten by the formula:

C = 2πr or πd

where,

r = radius

d = diameter

Since the diameter is given as 3cm, the circumference will be:

= πd

= 3.142 × 3

= 9.426cm

In conclusion, the circumference of the circle is 9.426cm.

Learn more about circle on:

brainly.com/question/25938130

3 0
2 years ago
How many and what type of solutions does the equation have?
Oxana [17]
Here's how one would solve it:

17 + 3x2 = 6x
17 + 6 = 6x
23 = 6x
x = 23/6

There's only one solution.
8 0
3 years ago
Let ​ f(x)=x2−8x+19 ​ . What is the minimum value of the function?​ Enter your answer in the box. ​
ella [17]
The minimum value is 3.
6 0
3 years ago
Read 2 more answers
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