Ask question

Ask question

All categories

2 years ago

12

Dave collects U.S. gold coins. He has collection of 48 coins. Some are $10 coins, and the rest are $20 coins. If the face value

of the coins $700, how many of each denomination does he have

1 answer:

andrew11 [14]2 years ago

7 0

Dave should slide some coins

You might be interested in

Determine whether the relation is a function: {(–1, –2), (–2, –3), (–3, –1)}

Solnce55 [7]

Yes it is a function the x’values do not repeat

3 0

3 years ago

Gia’s gross annual salary is $46,392.

Lana71 [14]

Answer: I think it might be 1933.

Step-by-step explanation

I hope it helped if not sorry. :/

7 0

3 years ago

SOMEONE PLEASE HELP ME ASAP PLEASE!!!!

guapka [62]

Area of the triangle: 1/2 x 6 x 8 = 24 square ft.

Area of half circle: 1/2 x 3.14 x 4^2 = 25.12 square feet.

Total area : 24 + 25.12 = 49.12 square feet.

3 0

3 years ago

What is 8 over 9 in ratio

fenix001 [56]

8 over 9
= 8/9
= 8:9

Final answer: 8:9~

4 0

3 years ago

Read 2 more answers

At what points does the helix r(t) = sin t, cos t, t intersect the sphere x2 + y2 + z2 = 65? (round your answers to three decima

Firdavs [7]

$\mathbf r(t)=\langle x(t),y(t),z(t)\rangle=\langle\sin t,\cos t,t\rangle$

$x^2+y^2+z^2=\sin^2t+\cos^2t+t^2=65$
$\implies t^2=64$
$\implies t=\pm8$

7 0

3 years ago