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3 years ago

CAN SOMEONE HELP ME WITH THIS QUESTION?????????????

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

7 0

Answer:

IM DOING ALGEBRA TOOO I HATE IT I believe that the first answe is function 4

MrMuchimi3 years ago

5 0

I cant exactly help with this, but you can input each equation into the website desmos.com to get the graph for it to help compare with the other functions. as for the fourth function, the equation would be y=3x+1. the slope for function 2 is 5, function 3, -4, and function 1, -1. the slope for the fourth would be 3. sorry if this answer is scattered all over the place but i hope it helped!!

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The approximate height, h, in meters, traveled by golf balls hit with two different clubs over a horizontal distance of d meters

inna [77]

Answer:

a) 100 metres

b) 10 metres

Step-by-step explanation:

Given: the approximate height, h, in meters, travelled by golf balls hit with two different clubs over a horizontal distance of d meters is given by the functions: $h=-0.002d^2+0.3d\,,\,h=-0.004d^2+0.5d$

To find: distances when the ball is at the same height when either of the clubs are used. Also, to find this height

Solution:

(a)

$-0.002d^2+0.3d=-0.004d^2+0.5d\\d(-0.002d+0.3)=d(-0.004d+0.5)\\-0.002d+0.004d=0.5-0.3\\0.002d=0.2\\d=\frac{0.2}{0.002}=100\,\,metres$

(b)

Put d = 100 in $h=-0.002d^2+0.3d$

$h=-0.002(100)^2+0.3(100)\\=-20+30\\=10\,\,metres$

4 0

3 years ago

A service club is selling raffle tickets for 2.50 each to raise money for a charity. Vanessa has 34.75 to spend on raffle ticket

posledela

Answer:

13 Raffle tickets

Step-by-step explanation:

Cost for one riffle ticket = 2.50

Total money of Vanessa budgeted for riffle ticket : 34.75

Greatest number of riffle ticket, venessa can with with 34.75

I'll like us to divide 34.75 by 2.5 to get the exact value.

Therefore,

34.75 / 2.5

= 13.9

It therefore implies that, Vanessa will buy a maximum of 13 riffle tickets and still have a change of 2.25

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20-%20%284x%20-%2015%29%20%5Cgeqslant%20-%209%283%20%2B%20x%29" id="TexFormula1" title=" - (4

Kay [80]

$- (4x - 15) \geqslant - 9(3 + x) \\ - 4x + 15 \geqslant - 27 - 9x \\ - 4x + 9x \geqslant - 27 - 15 \\ 5x \geqslant - 42 \\ x \geqslant - 8 \dfrac{2}{5}$

$21 + x > 2( - 2 - 5x) + 6x \\ 21 + x > - 4 - 10x + 6x \\ x + 10x - 6x > - 4 - 21 \\ 5x > - 25 \\ x > - 5$

Hope this helps. - M

5 0

3 years ago

Draw a box and whiskers plot for 7,9,21,8,13,19

Nat2105 [25]

Hey there!

(See photo for the box and whiskers plot)

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

8 0

4 years ago

Given: BC ≅ DA, ∠CBD ≅ ∠ADB<br>Prove: △BCD ≅ △DAB

Brums [2.3K]

Answer:

Step-by-step explanation:

Side-angle-side.

3 0

3 years ago