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quester [9]
3 years ago
14

If x = 4, y = 2, and z = 10, evaluate the following expression: yz(x + y) – x? Enter​

Mathematics
2 answers:
IrinaVladis [17]3 years ago
5 0

Answer:

y*z = 20

20(x + y) = )80 + 40) -x2

120 - 16 = 104

Step-by-step explanation:

Vesnalui [34]3 years ago
4 0

Answer:

104

Step-by-step explanation:

yz(x + y) - x² when x = 4, y = 2, z = 10

~Substitute

(2)(10)(4 + 2) - 4²

~Simplify

20(6) - 16

~Multiply

120 - 16

~Subtract

104

Best of Luck!

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Answer:

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Step-by-step explanation:


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A line includes the points (4,5) and (1,-4). what is its equation in slope-intercept form
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Read 2 more answers
In the isosceles triangle, find a and b if you knew the perimeter was 20x+35
Zanzabum

Answer:

a=8

b=17

Step-by-step explanation:

Isoceles means we will have 2 congruent sides in this triangle.

So it appears we are to assume it is sitting on its base which means that other side has measurement ax+9 as well

So we have the sum of the 3 sides is the perimeter.

That means we have the equation:

(ax+9)+(ax+9)+(4x+b)=20x+35

Combine like terms:

(a+a+4)x+(9+9+b)=20x+35

(2a+4)x+(18+b)=20x+35

This implies 2a+4=20 and 18+b=35.

2a+4=20

Subtract 4 on both sides:

2a=16

Divide both sides by 2:

a=8

18+b=35

Subtract 18 on both sides:

b=17

So a=8 and b=17.

3 0
3 years ago
To complete this component you will need to insert parentheses in Expression 2 to change the order of operations so the expressi
Alika [10]

Given:

The expression is 5+4\times 2+6-2\times 2-1.

To find:

The position of parentheses inserted in the expression to get the value 19

Step-by-step explanation:

We have,

5+4\times 2+6-2\times 2-1

Now,

(5+4)\times 2+6-2\times 2-1=9\times 2+6-4-1

(5+4)\times 2+6-2\times 2-1=18+6-5

(5+4)\times 2+6-2\times 2-1=18+1

(5+4)\times 2+6-2\times 2-1=19

There are more ways to apply the parenthesis, but we do not get 19.

5+4*\left(2+6\right)-2*2-1=32\neq 19

5+4*2+\left(6-2\right)*2-1=20\neq 19

5+4*2+6-2*\left(2-1\right)=17\neq 19

And many more possibilities.

Therefore, the expression after inserting the parentheses is (5+4)\times 2+6-2\times 2-1.

6 0
3 years ago
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