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earnstyle [38]
3 years ago
8

PLEASE HELP ME!!!!! ILL GIVE BRANLIEST!!

Mathematics
1 answer:
miss Akunina [59]3 years ago
7 0

Step-by-step explanation:

sorry, i cant quite answer it. your picture is a bit blurry. send another one?

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A student has some $5 bills and $10 bills in her wallet for a total of $100. The amount of $10 bills she has is 3 more than 3 ti
Sergeu [11.5K]

Answer:

she has 6 $5 bills and 4 $10 bills I think I'm not sure

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%3D2%28x%29%5E%7B2%7D%2B5%5Csqrt%28%7Bx%7D%20%2B2%29" id="TexFormula1" title="f(x)=2(x
Delvig [45]

Answer:

f(2)=18

Step-by-step explanation:

f(x)=2(x)^2+5 \sqrt{x+2}\\f(2)=2(2)^2+5 \sqrt{2+2}\\=2*4+5\sqrt{4} \\=8+5*2\\=8+10\\=18

7 0
3 years ago
During one day on the stock market, an investor lost $2500 on one stock, but gained $1700 on another. At the end of trading that
statuscvo [17]
[x = Share price] 

<span>52400 = (x - 2500) + (x + 1700) </span>
<span>We put each share as it will be at the end of the day. </span>

<span>52400 = 2x - 800 </span>
<span>We expanded/simplified the brackets int eh equation above. </span>

<span>53200 = 2x </span>
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6 0
4 years ago
In 56 years,Kevin will be 9 times as old as he is right now . <br> How old is he right now ?
grandymaker [24]
6 bc if you divide 56 by 9 you’ll get 6.2 but i’m not sure the ( .2 ) will matter therefore just get the first digit which is 6
8 0
3 years ago
Read 2 more answers
La base de una pirámide es una región cuadrada que tiene 10k de lado; si la altura de la pirámide es de 12k, Calcule el volumen
mart [117]

Side of base of square, a = 10 km.

Height of pyramid , h = 12 km.

Volume of pyramid is given by :

V=\dfrac{a^2h}{3}\\\\V=\dfrac{10^2\times 12}{3}\ km^3\\\\V=400\ km^3

Surface area is given by :

S.A=2ah + a^2\\\\S.A=(2 \times 10\times 12) + 10^2\ km^2\\\\S.A=340\ km^2

Therefore, volume and surface area are 400 km³ and 340 km² respectively.

Hence, this is the required solution.

5 0
3 years ago
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