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Olenka [21]
3 years ago
12

Which trinomial is the product of the expression below ?

Mathematics
1 answer:
kipiarov [429]3 years ago
5 0
Your answer would be B
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X^2 + y^2 = 8<br> X-y=0<br> Select all of the following that are solutions to the system shown
ludmilkaskok [199]

X^2 + y^2 = 8
X-y=0 so x = y

replace x = y into X^2 + y^2 = 8

y^2 + y^2 = 8

2y^2 = 8

y^2 = 8/2

y^2 = 4

y = - 2 and y = 2

because x = y

so x = - 2 and x = 2

solutions:

x= - 2 and x = + 2

y= - 2 and y = + 2

5 0
3 years ago
Please help!!!!!!!!!!! ASAPPPPPPPPP
Zanzabum

When you match the pattern of (x+y)⁴ to (a+b)ⁿ, you see that a=x, n=4. Then the first term aⁿ can be found by substituting these values for "a" and "n":

... x⁴

7 0
3 years ago
What is the height of an equilateral triangle if the sides are 10
4vir4ik [10]

Answer:

The height of the equilateral triangle is 5\sqrt{3}\ units

Step-by-step explanation:

we know that

An equilateral triangle has three congruent sides, and three congruent angles that each measure 60 degrees

To find out the height of an equilateral triangle, apply the Pythagoras Theorem in the right triangle ABD

Remember that the height of an equilateral triangle bisects the base.

see the attached figure to better understand the problem

AB^2=AD^2+BD^2

substitute the given values

10^2=5^2+BD^2

Solve for BD

100=25+BD^2

BD^2=100-25

BD^2=75

BD=\sqrt{75}\ units

simplify

BD=5\sqrt{3}\ units`

therefore

The height of the equilateral triangle is 5\sqrt{3}\ units

7 0
3 years ago
Which expression is equivalent to 18 1/5- (22 2/5) - (40 1/5)
Mekhanik [1.2K]

Answer: 18 1/5 + 22 2/5 + 40 1/5

Step-by-step explanation:

To get equivalent expression we need to remove the parenthesis multiply negative sign inside the parenthesis when we multiply negative and negative it becomes positive. So the expression becomes 18 1/5 + 22 2/5 + 40 1/5

8 0
3 years ago
Guys I need help with these help me please !!
nekit [7.7K]

Answer:

Sequence 1

Step-by-step explanation:

<u>You need to find the difference between term - the nth term.</u>

<u>The difference / nth term has to to -1/2 (-0.5)</u>

Sequence 1:

-6 * -0.5 = 3 * -0.5 = -3/2 (-1.5) * -0.5 = 3/4 (0.75) * -0.5 = -3/8 (-0.375)

Sequence 2:

4 * -2 = -8 *-2 = 16 * -2  = - 32 * -2 = 64

Sequence 3:

-1/3 ÷ 2 = -1/6 ÷ 2 = 12 ÷ 2 = 24 ÷ 2 = 48

Sequence 4:

400 ÷ -2 = -200 ÷ -2 = 100 ÷ -2 = -50 ÷ -2 = 25

The only sequence with a common ratio of -1/2 is Sequence 1.

3 0
3 years ago
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