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Alborosie
3 years ago
15

I need to know which one represents a function

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0
(B) represents a function.
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If you are given the length of the hypotenuse and one leg, does it matter whether you solve for a or b ? Explain.
REY [17]

Answer:

no! you can label either of the legs a or b. it doesn't matter. the hypotenuse always stays as c though if you're using a formula.

6 0
3 years ago
Please help me find large & smaller angle
Dennis_Churaev [7]
If one angle is 9 times the other angle, and they're complementary, you can set up an equation.

90 = x + 9x

x is the smaller angle. When you solve for x, you get 9.

So, the large angle is 81°, and the smaller angle is 9°. 

Hope this helped!! xx

8 0
4 years ago
Find the area of a triangle with vertices at D(2, 0), E(–1, 0), and F(2, –7).
MAVERICK [17]

Answer:

\frac{21}{2} units²

Step-by-step explanation:

D and E lie on the x- axis and F is vertically below D

The triangle formed is right at D with legs of length 3 and 7

The area (A) of a right triangle is found using the formula

A = \frac{1}{2} bh ( b is the base and h the perpendicular height )

here b = 3 and h = 7, hence

A = \frac{1}{2} × 3 × 7 = \frac{21}{2} units ²

3 0
3 years ago
A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30. What is the original
Thepotemich [5.8K]

Answer:$50

Step-by-step explanation:

So we have the sweater that’s $30 with a sale of 60% of the original price.

That means $30=60% of the original

So

30=60%start with this

5=10% divide 6 by both sides to get 10%

50=100% times by 10 to get 100%, which is the original price.

So the original price of this sweater is $50

:D

4 0
3 years ago
Read 2 more answers
|x-20| if x&lt;-20<br> I need help with the opposite equation
yKpoI14uk [10]
-(x-20)
Basically it’s the same as your other question but your not adding twenty!
4 0
2 years ago
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