3 years ago

Which graph represents a function? Please help me

Mathematics

1 answer:

BARSIC [14]3 years ago

5 0

Think the 3 graph would be a function the graph the the arrow going straight up.

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Triangle DBC is equilateral,<br>AB = AC. Work out the size of angle x. <br><br><br>Pls asap

allochka39001 [22]

Answer:

x = 21º

Step-by-step explanation:

∆ ABC is isosceles therefor

Angles B and C are congruent

(180 - 18)/2 = 162/2 = 81º

------------------

∆ BCD is equilateral therefor all angles are 60º

---------------------------

x = = 81 - 60

x = 21º

3 0

3 years ago

Find the product:<br> (-9)(-4)

nadya68 [22]

Answer:

Step-by-step explanation:

-9*-4=36

3 0

3 years ago

If 3, 9, 10, x are in proportion find the value of x.

Colt1911 [192]

Answer:

$x = 30$

Step-by-step explanation:

If 3, 9, 10, x are in proportion. Then,

$x \times 3 = 10 \times 9$

$x \times 3 = 90$

$x = 30$

<h3>Hope it is helpful.....</h3>

5 0

3 years ago

Read 2 more answers

assume that a password to log onto a computer account is to consist of any 4 digits or letters (repetition is permitted). Determ

boyakko [2]

Answer:

Step-by-step explanation:

if you were to use your calculator and applied n! after the number it should give u the answer

3 0

3 years ago

chase is working to earn money for a CD player. on saturday, he earned half as much as he did on sunday, but twice as much as he

Finger [1]

Answer:

Fri. $10

Sat. $40

Sun. $20

Step-by-step explanation:

earnings on Saturday=x

Sunday is .5*x, which is 1/2 of Saturday

Friday is .25*x, which is 1/2 of Sunday

x+.5x+.25x=70

(simplify)1.75x=70

Divide by 1.75 1.75x/1.75=70/1.75

X=40

then plug in x for all days

4 0

4 years ago