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GaryK [48]
3 years ago
15

I need help please.

Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0

Answer: 96.77

Step-by-step explanation:

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Valentina purchased 200 beads for $48 to make necklaces. If she needs to buy 25 more beads, how much will she pay if she is char
meriva
\frac{200}{48} = \frac{25}{x}  \\  \\ 200x=48 (25) \\  \\ 200x =1200  \\  \\ \boxed {x=6}



It would cost her $6
5 0
3 years ago
I don’t understand this question
Arada [10]

Step-by-step explanation:

step 1. a polynomial must have whole non negative exponents

step 2. A, B, D have negative exponents

step 3. C is a polynomial.

3 0
3 years ago
A plane can fly 290 miles downwind in the same amount of time as it can travel 220 miles upwind. Find the velocity of the wind i
nikitadnepr [17]

Answer:

The speed of the wind is 35\ mph

Step-by-step explanation:

Let

x-----> the speed of the wind in mph

we know that

Downwind

(255+x)=\frac{290}{t}

t=\frac{290}{(255+x)} -----> equation A

Upwind

(255-x)=\frac{220}{t}

t=\frac{220}{(255-x)} ----> equation B

equate the equation A and the equation B

\frac{290}{(255+x)}=\frac{220}{(255-x)}\\ \\290(255-x)=220(255+x)\\ \\ 73,950-290x= 56,100x+220x\\ \\220x+290x=73,950-56,100\\ \\510x=17,850\\ \\x= 35\ mph

7 0
3 years ago
Which of the following is equal to 4/7 - 4/7<br><br> . 0<br> . 1<br> . Undefined <br> . 1/7
julia-pushkina [17]

Answer:

0 is the answer

Step-by-step explanation:

4-4=0

7-7=0

4 0
3 years ago
The cozy cat shop has 3 calico cats for every gray cat .If they have 9 calico cats available , how many gray cats do they have
maxonik [38]

Answer:

3 gray cats

Step-by-step explanation:

Write and solve an equation of ratios:

3 calico      1 gray

------------ = ------------

9 calico           g

Cross multiplying, we get

3g = 9, or g = 3

They have 3 gray cats.

6 0
3 years ago
Read 2 more answers
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