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Ivenika [448]
3 years ago
8

I need help on this I’ve been stuck on it for a little bit I will give you brainliest if you help me and I will give 5 stars

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0

Answer: 27 degrees

Step-by-step explanation:

y is 63 degrees because they are alternate interior angles. Then, 90-63=27 which is the answer.

WARRIOR [948]3 years ago
7 0

Answer:

27°

Step-by-step explanation:

  • <em>One of the properties of a rhombus is it has 2 perpendicular diagonals.</em>

So each formed triangle is a right triangle.

We can see one of the angles is 63°, so z= 90° - 63°= 27°

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Please help me out thanks
vladimir1956 [14]

Answer:

A

Step-by-step explanation:

Since the angle that is touching each other shows that it is equal, the lines also show equality. So the number of lines in one of them is the same length in the other.

3 0
3 years ago
Harriet is 5 years younger than her brother Charlie. If their ages sum to 37 years, how old is Harriet? Currently stuck on this
kvv77 [185]

Answer:

Harriet is 16 years of age

Step-by-step explanation:

(x-5)+x=37

2x=42

x=21

21-5=Harriet's Age

6 0
2 years ago
If f(1) = 0, what are all the roots of the function f(x)=x^3+3x^2-x-3? Use the Remainder Theorem.
Sophie [7]
There's no if about it, 

f(x)=x^3+3x^2-x-3&#10;

has a zero f(1)=0 so x-1 is a factor.   That's the special case of the Remainder Theorem; since f(1)=0 we'll get a remainder of zero when we divide f(x) by x-1.

At this point we can just divide or we can try more little numbers in the function.  It doesn't take too long to discover f(-1)=0 too, so  x+1 is a factor too by the remainder theorem.  I can find the third zero as well; but let's say that's out of range for most folks.

So far we have 

x^3+3x^2-x-3 = (x-1)(x+1)(x-r)

where r is the zero we haven't guessed yet.  Again we could divide f(x) by (x-1)(x+1)=x^2-1 but just looking at the constant term we must have

-3 = -1 (1)(-r) = r

so

x^3+3x^2-x-3 = (x-1)(x+1)(x+3)

We check f(-3)=(-3)^3+3(-3)^2 -(-3)-3 = 0 \quad\checkmark

We usually talk about the zeros of a function and the roots of an equation; here we have a function f(x) whose zeros are

x=1, x=-1, x=-3

8 0
3 years ago
Read 2 more answers
What is the value of the expression<br> 41/6+6/10
Kruka [31]
The answer to that question 446/60, but you need to simplify it, which makes           7 13/30
4 0
4 years ago
Evaluate the function for the given value.<br> If f(x) = -3x2 – 8, then f(-4)= ?
Ganezh [65]

Answer:

The answer is

<h2>f( - 4) =  - 56</h2>

Step-by-step explanation:

f(x) =  - 3 {x}^{2}  - 8 \\

To find f(-4) , substitute the value of x that's - 4 into f(x). That is for every x in f(x) , replace it with - 4

We have

f( - 4) =  - 3 ({ - 4})^{2}  - 8 \\  =  - 3(16) - 8 \\  =  - 48 - 8 \:  \:  \:  \:  \:

We have the final answer as

f( - 4) =  - 56

Hope this helps you

4 0
3 years ago
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