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3 years ago

Harper scores 24 points per coin. In all, how many coins does Harper have to collect to

Mathematics

2 answers:

Alex Ar [27]3 years ago

6 0

Answer:

Step-by-step explanation:

1 coin = 24 points

2 coins = 48 points

3 coins - 72 points

~theLocoCoco

Mrac [35]3 years ago

3 0

Answer:

2 coins

Step-by-step explanation:

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Please help me to solve the question. (chapter angle between two lines)

dsp73

Answer: $\bold{x^2-\dfrac{181}{13}xy+12y^2=0}$

Step-by-step explanation:

$\tan \theta =\dfrac{y}{x}\quad \longrightarrow \theta=\tan ^{-1}\bigg(\dfrac{y}{x}\bigg)$

$\text{Given:}\quad \theta =\tan^{-1}\bigg(\dfrac{1}{13}\bigg)\quad \longrightarrow x=13,y=1$

Insert x = 13 and y = 1:

x² + 2hxy + 12y² = 0

(13)² + 2(13)(1) + 12(1)² = 0

169 + 26h + 12 = 0

26h + 181 = 0

26h = -181

$h=-\dfrac{181}{26}$

$\text{Insert:}\ h=-\dfrac{181}{26}$

$x^2 + 2\bigg(-\dfrac{181}{26}\bigg) xy + 12y^2 = 0$

$\bold{x^2 -\bigg(\dfrac{181}{13}\bigg) xy + 12y^2 = 0}$

8 0

3 years ago

Please answer correctly !!!!!!! Will mark 30 points !!!!!!!!!!!!!!!!

Sav [38]

Answer:

x <- x - 5

Step-by-step explanation:

6 0

3 years ago

979 Find the value of each variable. 890 107°/2 y Z=

lana [24]

~Shoto Todoroki here~

i think z=63 degrees

hope this helps :D

5 0

3 years ago

If 3,a-1,a+1 and 5 are pproportional,then a =?

babymother [125]

Answer:

a = ± 4

Step-by-step explanation:

Expressing the proportion in fractional form

$\frac{3}{a-1}$ = $\frac{a+1}{5}$ ( cross- multiply )

(a -1 )(a + 1) = 15 ← expand factors on left side

a² - 1 = 15 ( add 1 to both sides )

a² = 16 ( take the square root of both sides )

a = ± $\sqrt{16}$ = ± 4

3 0

3 years ago

when looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x

almond37 [142]

$f(x)= \frac{(x+3)(x-2)(x+5)}{(x-3)(x+2)(x-5)}$ is undefined when the denominator is 0. i.e. x - 3 = 0 or x + 2 = 0 or x - 5 = 0 i.e. x = 3 or x = -2 or x = 5.
Hence, Bobby is right.

3 0

3 years ago